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Single-Family Home Retrofit Basics
There are a number of ways to make older single-family homes more energy efficient and more healthy, that is, more green.
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Single-family homes often need a lot of help. According to the U.S. Census Bureau's 2005 American Housing Survey, there were 77,703,000 single-family detached homes in the United States in 2005. The median age of all housing back in 2005 was 1973 vintage. The majority of single-family homes in the United States are older and they are often in need of a little help. There are many ways to make each of them more energy efficient and oftentimes more healthy, that is, more green. This article will discuss many of the options available for retrofitting homes. Not all of these will be viable for each home. Nor will they all be good options in every climate.
There are a couple of things we need to remember as we look at retrofitting single-family homes. Heat moves from hot to cold. Air moves from areas of greater pressure to areas of lower pressure. Moisture moves from areas of higher moisture to areas of lower moisture and from warmer areas to cooler areas. In general, stuff moves from more to less.
We need to think of a home's shell or building envelope as having two components. The first is the thermal boundary. The thermal boundary is the insulation system whose purpose is to keep the heat inside and the cold out or vice versa. The air barrier is the second component of the building shell. The air barrier needs to be aligned with the thermal boundary for the building envelope to work right. Its purpose is to minimize infiltration of outside air into a home and to keep hot humid air out of insulation systems. This hot humid air can condense and cause mold, rot, and other nasty things to happen.
Think of the thermal boundary like a sweater and the air barrier as a wind breaker. If you're standing outside on a windy day, in order for the sweater to work well and keep you warm, you need something to stop the wind from whistling through it.
As you contemplate retrofitting a single-family home, you also need to be aware of the concept of interactivity of measures. For example, on a given home you may be able to retrofit the heating-and-cooling equipment and come up with, say, a 25% savings estimate. Looking at the building shell, you may also identify an additional 35% savings available. Does this mean you are going to manage to get 60% savings? You probably will not, because of how measures can interact and change overall outcomes. Fortunately there are many good options to help you estimate what the savings may be (see "How to Calculate Savings").
Let's go ahead and take a look at the different opportunities we have when considering retrofitting a single-family home (see "Start with the Right Products," p. 21).
|Start with the Right Products
I can recommend some suppliers for home performance products. One I have dealt with for many years is Energy Federation, Incorporated (EFI). They are a not-for-profit established more than 20 years ago. They offer a full line of great products and have knowledgeable advisors to help you with product applications. You call and they ship. They ship fast. EFI can help you revolutionize your single-family home retrofit efforts. They are the primary distributor for the high quality Zerodraft air barrier products here in the United States. (For more on EFI, go to www.efi.org.)
R.E. Williams offers a number of great products that are very useful in retrofitting homes. They have a complete selection of Panasonic fans and a variety of great controls. They offer a wonderful plug and play domestic hot water (DHW) circulation system. If you need a flue vacuum or GFIC cords for your crews, they have them, too. Their Web site is fun to visit (www.rewci.com). They have a number of unique products.
Finally J&R Products is a wonderful resource. They have all the equipment and supplies you need to get started blowing insulation. They have a number of attic stairwell treatments. They offer foams and weatherstripping products. If you are going to need it, they probably have it. You can find out more about them at www.jrproductsinc.com.
Air Sealing and Ventilating the Home
The purpose of air sealing a home is to keep the cold out and the hot in, or to keep the hot out and the cold in. Air sealing in cold climates is different from air sealing in hot climates. The idea is to keep hot, humid air out of and away from the insulation systems. In a hot-humid climate, the air barrier should be on the exterior of the building envelope. In a cold climate, you want the air barrier on the inside.
When dealing with homes, to seal or not to seal is sometimes the question. For example, let's look at a house in a northern climate such as Maine's. It is a tight house with a poor fiberglass insulation job in the attic. You can see a number of holes between the house and the attic. But a blower door test indicates that the house is tight. Further tightening would probably result in the need for a ventilation strategy for the home. If you want to fix the fiberglass and install additional insulation over top to improve the attic's performance, do you need to air seal the attic, since the house is already tight?
The answer is real easy. It is yes. Here is why. Improving the insulation will result in a cooler attic in the winter. With a cooler attic, condensation is more likely as the holes between the house and attic continue to leak hot, humid air from the conditioned spaces up into the attic. Looking at a psychrometric chart, we see that 70ºF air at 50% relative humidity will reach saturation (condense) when the air is cooled to just 50ºF. So fixing the insulation and cooling off the attic could very easily create a moisture problem. Many houses experience failure when insulation is improved without air sealing.
Keeping with the theoretical house, the first thing to do before starting the attic work is to get the ventilation strategy inside the house sorted out. Exhaust-only using an energy-efficient fan and some type of controller is often the least expensive option. In homes that have duct systems, the Aircycler is a great solution. It will monitor flow, open and close fresh-air dampers, and allow you to program how much air you want to add to the home. For even more money you can install an energy- efficient ducted heat recovery ventilation system. A final airtightness test, following air sealing and insulation, will help you to determine how much ventilation you need.
Once the ventilation is set, the next step is to seal all cracks and holes into the attic. Typical holes include gaps around wiring and plumbing penetrations, soffits, top plates of walls, recessed lights, knee walls, and chimneys. They can be sealed with any suitable caulk/backer rod combination (slow) or spray foam (fast). Chimneys need a fire-rated caulk and a sheet-metal dam to seal the gap and prevent insulation from contacting the chimney.
Some homes have vented soffits in place. Often they will also have vent chutes secured between rafters or trusses to direct air up along the roof deck. If you are air sealing the exterior wall plates and plan on adding more insulation in the attic, this is a good time to form an air barrier around the vent chute so that the ventilation air will flow up along the roof deck as intended. Without an air barrier there is nothing directing the outside air to flow up the chute. Air sealing the chute will protect the insulation from windwashing via the vented soffits.
So far we have only talked about sealing the top. What else needs to be sealed? Generally you would target the top, bottom, and sides. What this means can vary, depending on the house. If the house sits on a slab, sealing the bottom may mean sealing any leakage coming under the plates of the exterior walls. In a basement or crawl, you have to decide whether to seal the perimeter or go after leakage in the floor between the crawlspace and the upstairs. The band joist is a common leakage site and can easily be sealed and insulated with foam products, if you decide to focus on the perimeter.
Doors and windows are other typical leakage sites. For these, there are very high-quality weatherstripping products available that will last for many years. When buying weatherstripping, buy the best you can find. The difference will mean many years of additional service from that product.
Upgrading Attic Insulation
In most climates it is getting harder and harder to find uninsulated attics. This is due in large part to rising energy costs over the past 25 years or so. But it often makes sense to increase the existing attic insulation. Depending on the home and the climate, you may be looking to upgrade to R-50 or more.
A good baseline is to look at your local code to see what the minimum is and then exceed it by an amount you are comfortable with. As long as you are going to the trouble to get materials, equipment, and workers together to add insulation, it makes sense to exceed the minimum. This is because the costs of installing additional insulation at that point are incremental.
Options for adding insulation include foam-in-place, blown-in loose-fill, and batt-type products. Loose-fill products like cellulose, rock wool, and fiberglass can be easily blown in place once the attic is prepped. This is a fast, simple, and very effective solution once the attic has been air sealed. Do not add insulation to an attic without air sealing it first.
When increasing insulation, adding batts is not generally the best solution. This is due to the difficulty of placing batts properly in an attic environment and the performance loss caused by gaps between batts. A common batt retrofit approach is to run the second (and third) layers at a right angle to the original batts. This will prevent gaps from lining up vertically one on top of the other. In a trussed attic this is next to impossible, because the web members join the top and bottom chords together.
Foam is a neat, fast, and easy solution, but it is expensive, and it is most effective if it is the first layer against the Sheetrock. In a hot-humid climate, a spray-on, closed-cell foam might be a neat solution over the top of existing batts.
In a trussed attic, truss uplift may begin to occur when you change the dynamics of how the attic works. This can happen if the original insulation fitted poorly and was ineffective, and the new insulation changes that dynamic. Uplift occurs when a bottom chord becomes warm and shrinks slightly while the top cord remains cold and expands due to moisture entering the wood. The best defense is to do a really good job of air sealing the attic before you install more insulation, and to eliminate other sources of moisture, such as exhaust fans dumping moist indoor air into the attic.
Upgrading Wall Insulation
Many older homes lack wall insulation. For many of these homes, adding insulation using a blowing machine can be a very effective retrofit. The insulation can be injected from either inside or outside the home. Outside is often a lot cleaner for the occupants. Any short-strand mineral fiber insulation will work. However, the most popular material for this application is cellulose. Cellulose is often considered a green solution, due to its recycled content.
Another benefit of using cellulose in this application is that when it is blown to a sufficient density (greater than 3.5 lb per cubic foot), the fibers restrict air flow and reduce infiltration as well. Cellulose blown at high density is generally injected via a fill tube that is inserted into the wall cavity and removed a little bit at a time as the cavity fills up.
There are several advantages to this method. First, by inserting the fill tube throughout the cavity, the installer can quickly tell if there are any obstructions in the cavity that might prevent a complete fill. Second, when the material is applied all the way up in the cavity and allowed to pack down, slumping material and voids become much less likely. Finally, tube fill application allows the installer to drill only one hole per stud bay unless blocking is present. Two or more holes are generally used in nozzle-only applications.
In homes with older substandard wiring, a qualified electrician should inspect the wiring before the wall insulation is installed. Homes that have knob-and-tube wiring should have the wiring replaced before you proceed with the wall insulation. Walls that have evidence of water leaks or other damage should have those problems corrected before insulating.
Some homes may have a small partial batt in the wall. Often these batts are papered on each side and are about 1 inch thick. It may be possible to retrofit these walls with the fill tube method, providing the tube can get through the partial batt and up to the top of the cavity. This is often accomplished by using the insulation blower with the material feed closed, using air to push the batt aside as the tube is snaked up through the cavity. This process is much slower than insulating empty walls, but I have had many happy clients who loved the work and didn't mind the extra cost to get a more comfortable, efficient home.
One popular but ineffective idea is to add rigid foam board to the outside of a home when re-siding it. If the walls are not insulated, the foam will provide little insulation at best, because the thermal boundary and the air boundary will not be in alignment. Remember the sweater/windbreaker analogy? How well will the sweater keep you warm if it is 4 inches out from your skin? Foam may also keep the wall from drying as it once did and cause moisture problems.
Basement, Crawlspace, and Floor Insulation
Basements and crawlspaces can be upgraded from an insulation standpoint. The thing to decide (as when air sealing) is where you are going to define the thermal boundary. The insulation needs to align with the air barrier.
In basements or crawlspaces, you have two options when retrofitting a house. You can bring the basement or crawlspace inside the thermal envelope by insulating its walls. Or you can leave the basement or crawlspace outside the thermal envelope by insulating the floor between it and the house above. Many times this decision is made for you by the presence of mechanical equipment in the space, which makes bringing the space inside the thermal envelope the best option. This may be the best option for other reasons, too.
In hot-humid climates, insulating the floor and venting that nice cool crawlspace with hot, humid air may be a recipe for mold and rot. In very cold climates, having the entire space underneath the house outside the envelope may result in more heat loss than would be the case with an adequately insulated foundation wall. In the latter case, the below-grade portions of the basement are quickly tempered by the insulating properties of the ground.
How do you retrofit a basement or crawlspace wall? There are two basic approaches. The first would be to use rigid-foam sheet goods. These can sometimes be glued in place on a supersmooth foundation wall, but the best solution is to hold them in place using some sort of mechanically fastened strapping, such as 1 inch x 3 inch furring strips secured with TapCon screws. This may seem onerous, but if you are using full-size sheets, the work moves along quickly. If the space is occupied, depending on the local codes, you may be required to cover the foam with a noncombustible material.
The second approach to retrofitting these walls is to use batt insulation encased in a vinyl shell. This insulation is hung down from the band joist. It may need to be supported by a frame.
Sometimes foam insulation can even be applied to the outside of the foundation wall. However this approach quickly gets expensive, because soil must be removed from around the wall; because the bottom of the wall must be flashed; and because the foam board must be coated to protect it from pests.
The band joist area is discussed above, in the section on air sealing. Use of foam products in the band joist area not only seals the air leaks but provides much-needed insulation as well.
If you are going to insulate the floor instead of the walls of the space, your options are limited. Batt insulation is usually used in this application. When insulating the floor, the air barrier is defined as the basement ceiling. Therefore, this area (including the band joist) should be well sealed, before the insulation is installed.
The difficulty with using batts comes in fitting the insulation past wires and pipes. Many of the joist bays will not be of uniform width, making the fit more difficult. Finally, the batts must remain in contact with the subfloor in order to have the thermal boundary and the air boundary aligned. So use twice as many supports as you think you need.
Another less common approach is to install an insulation barrier and blow in a loose-fill product. This approach has the advantage of ensuring a complete fill with few or no gaps and voids. However, the time spent installing the barrier and blowing the insulation in will dramatically increase the labor costs. In addition, joist bays insulated in this manner are encased, making future repairs and modifications to plumbing or wiring difficult.
Whenever you are treating basements or crawlspaces, if there is exposed earth be sure to seal thoroughly with polyethylene to reduce the moisture load on the building. Leakage and other water intrusion must be corrected before you insulate and air seal these areas.
Mechanical Upgrades
Modern high-efficiency direct-vent combustion appliances can dramatically reduce a home's energy use. They provide other benefits as well. Properly installed direct-vent appliances isolate the combustion process from the home's air, making the home safer. When changing heating-and-cooling equipment, pay attention to proper sizing. ACCA Manual J, Manual S, and Manual D give the benchmarks for sizing units and ductwork. There are numerous computer programs that automate the process. Put very simply, not sizing is malpractice.
There are many different high-efficiency boiler packages. Most of these offer integrated domestic hot water. Some have variable firing rate burners, and others offer multistage firing. Most can vary the heating water temperature using outdoor sensors, a must-have feature. These boilers boast efficiencies in the mid-90% range.
New furnaces also offer significant improvements over older models. Many come with high-efficiency blower motors that save electricity as well. A lot of the better manufacturers offer improved filtration systems. Most of these furnaces will be multistage low/high fire models. But the thing to remember about furnaces is that they are only as good as the duct system.
Air ducts leak. Ducts that run through unconditioned spaces should be sealed and insulated. Many people feel that all duct systems should be sealed. This ensures that the conditioned air gets where it is needed, and that the return air comes from where it is supposed to come from.
Analyze the whole duct system to be sure that supplies and returns are adequate. Rooms that are uncomfortable may need additional duct runs (or may need to have the original ducts repaired). Sometimes the entire duct system must be overhauled along with the furnace replacement.
Heat pumps are now available up to 20 SEER. These heat pumps use a fraction of the energy used by the old models. Of course, the higher-efficiency furnaces come at a premium price. In a climate with a long cooling season, they make sense. In the north, they probably will not offer a good enough return to justify the higher cost.
Many manufacturers have a minimum size for their heat pumps. It is generally difficult to find units in the 1-ton (12,000 Btu per hour) or 1 1/2-ton range. Many manufactures offer nothing smaller than 2-ton units. This is changing, as the market demands smaller high-efficiency systems for high-efficiency houses.
The most important thing with air conditioning is to size the system properly. Outside and inside design temperatures must be appropriate for your area, and the system should be the minimum size possible for the house. Too large is bad, very bad. The system will short-cycle, using more energy. It will not dehumidify properly, leaving the house clammy. The problem is that human nature has people afraid that they made a mistake and the house might not be cool enough on a very hot day, so they fudge the size up. ("Bigger Is Not Better—Sizing Air Conditioners Properly," HE May/June '95, p. 15, is a wonderful article on the proper sizing and commissioning of air conditioning systems.)
The final option for heating and cooling would be some type of ground source heat pump. These units have a high initial cost—sometimes triple the cost of a conventional system. But sized and installed properly, they are amazingly efficient.
Lighting and Appliances
The Energy Star labeling initiative has had an incredible impact on how appliances consume energy. At the same time, consumers can purchase more electrical gadgets now than ever before. They have become more efficient, but we own more of them.
Minimum efficiency standards for major appliances have improved the overall efficiency of these appliances dramatically. At the same time, even higher efficiencies than the new minimums are available. Refrigerators, freezers, dishwashers, and washing machines are where the greatest improvements have been made. Many times, refrigerators and freezers offer a fast, simple payback. Clothes washers and dishwashers offer water and electrical savings, making them a solid investment as well. How quickly they pay for themselves depends on your local utility rates.
Lighting can account for a significant part of a home's electrical consumption. Converting bulbs to CFLs or installing dedicated high-efficiency fixtures offers long-term savings. CFLs are available in a variety of light colors to match the needs of the space being illuminated. The goal with lighting retrofits is to provide ample light while reducing energy use. Light meters can help you to determine if a room has adequate light. Often you may find an area that is overlamped.
Light emitting diodes (LEDs) also save energy. As the technology improves, they could become the best choice for homes. Cold cathode ray fluorescent (CCFL) technology may also offer improved performance over conventional compact fluorescent technologies. CCFLs are supposed to be dimmable but I can't prove that. These are emerging technologies, so look for developments that may offer the solutions you need.
Up to 75% of the power consumed by home electronics is used while the devices are turned off. This is called ghost or phantom usage. The instant-on devices are steady consumers of power. Installing interruptible power strips and using them is an excellent way to reduce this consumption. Computers, routers, wireless networks, cable boxes, televisions, DVD/VCRs, microwaves, and stereos are all examples of devices that consume lots of power even when they are turned off. Timers can even be used to automate the interruptible power strips.
The nicest thing about lighting and appliance savings is that they are there with you month by month. Unlike heating or cooling savings, which are seasonal, these savings are ongoing and consistent, 24 hours a day, seven days a week, 365 days a year.
Solar and Wind Options
When you retrofit a home, don't overlook the renewable energy options. Improvements in these technologies, and falling prices, along with strong incentives in certain regions, make renewable energy a viable choice. It will not be addressed in detail here. The thing to remember is to get your house in order before you think about installing renewable power.
Purchase the most efficient appliances, convert your lighting, and manage all your other loads, before you install renewable power; doing this will cost less per kWh saved than the cost per kWh produced by installing wind or solar. It will also reduce the amount of renewable power needed for your applications, which in turn will reduce the cost of installation.
Similarly, you should air seal and insulate your home and even possibly upgrade your windows and doors before you install a ground source heat pump or some type of solar heat. The retrofits you install will dramatically reduce the size requirements of the alternative heating or cooling systems. Buying the retrofit will cost fewer dollars than buying a big system.
For most people, greening a home should be viewed as a long-term process. Investments can be made incrementally over time, working toward the ultimate goal of becoming however green or efficient you want to be. And technological improvements will continue to make new things possible. People who operate retrofit companies need to view greening a home as a continuous process for their customers as well. Customer retention, referral systems, and backend sales should be the mantra of these contractors. This will best serve their clients and the environment, while also serving to build a strong and vibrant company.
|How to Calculate Savings
Many software products on the market aim at modeling residential retrofits. But what's more important than the software is having a basic working knowledge of how to calculate savings. Using a few simple formulas can help you to see whether a potential retrofit is going to make sense or not. You can also factor in energy costs associated with doing such things as adding ventilation to an already-tight home.
For simplicity's sake, let's just focus on heating savings for this example. Bear in mind that in some climates, savings will be for cooling only, or for a mixture of cooling and heating.
To calculate savings, you need to know only a couple of formulas.
1. U x A x DT = BTU
This simply says that U-value (U) times the area (A) times the temperature difference (DT) equals the flow of energy over a given time (BTU). This is a great formula for looking at simple conductive savings, such as the savings realized by adding insulation. Dividing 1 by the R-value of an object will give you the U-value, and dividing 1 by the U-value will give you the R-value. You cannot add U-values together to get a total U-value. So what you do is add up the R-values for each component of the wall assembly, for example, and divide 1 by that total to get the U-value for the wall.
The temperature difference DT can be handled several ways. There are a number of sources where you can obtain "Bin" data for climates throughout North America. Manual J contains a good set of Bin data. The Bin data establish the number of hours in a heating or cooling season that can be expected to fall within a certain temperature range.
Typical Bin calculations might require 15 or more calculations for a given measure. That's why so many people like software! But you can get very close on the back of an envelope using heating degree-days (HDD) or cooling degree-days (CDD) for your area.
HDD are calculated from a base temperature of 65ºF. The number of HDD is simply the average daily temperature subtracted from 65. So if the average daily temperature is 30ºF, that day would have 35 HDD. When using HDD or CDD, always multiply the HDD/CDD by 24 hours to get a seasonal total. Many people like to multiply this total by the factor 0.75 to offset those times when moderate temperatures do not call for heating or cooling.
Let's do a sample calculation using Boston, Massachusetts, as an example. Boston is 5,630 (HDD) x 24 (Hours) x 0.75 = approximately 101,000 annual degree hours; this is our seasonal total DT for Boston. Now let's look at changing a wood sash window with a storm window for a vinyl thermopane unit. The wood with storm (WWS) has a U-value of, say 0.49, while a reasonable vinyl thermopane (VTP) would have a U-value of 0.36. Let's say the window is a 3 foot x 5 foot unit comprising 15 ft2.
Using the formula above, the existing window is 15 ft2 x 0.49 (WWS) x 101,000 = approximately 740,000 Btu heat loss for the year. The retrofit window is 15 ft2 x 0.36 (VTP) x 101,000 = approximately 550,000 Btu. The total savings estimated is 190,000 Btu annually, or the equivalent of 1.9 therms of natural gas saved (1 therm = 100,000 Btu). If a therm of gas costs $1, this window will save about $2 a year. There are probable infiltration savings, too. But this quick calculation shows that this measure is not going to be very cost-effective from an energy standpoint.
Another simple formula can help you estimate the potential savings from tightening up a home.
The N value is a factor that can be found in a blower door manual. With blower door testing, this formula is fairly accurate when estimating heating savings. Using the N value for your region, you can quickly convert between CFM at 50 Pa (CFM50) and estimated natural infiltration by using this simple formula. Using the Boston example, if the N value is 19 and we reduced CFM50 by 1,000 by tightening up the home, the estimated natural air flow reduction is 1,000/19, or about 53 CFM.
The next example, calculating air flow savings, may cause the mechanical engineer types out there to roll their eyes. For simplicity's sake, let's stick with the old U x A x DT (U-Value x Area x Temperature difference). As you gain experience, your formulas and your use of them will become more sophisticated. For air flow, the U would be a constant per cubic foot of air (0.018 BTU/ft3). The area is replaced with cubic feet (ft3) per hour, and finally DT is the same old HDD x 24 x 0.75 for Boston. If the DT is treated as an annual total, the savings calculated would be an annual estimate. Remember that we calculated Boston's annual DT to be approximately 101,000. So for the 1,000 CFM50 reduction that gave us about a 53 CFM reduction in natural infiltration, the formula would look like this: 0.018 x 53 CFM x 60 Minutes x 101,000 = approximately 5,800,000 BTU, or about 58 therms of natural gas saved annually.
Copy these formulas down and try them for your area. Experiment, play, have fun and you will easily master back-of-the-envelope calculations. More importantly, your experience will alter your mindset and will change how you think about potential measures and savings. These back-of-the-envelope examples will not be as accurate as the sophisticated computer programs now available. But they are close, and at the end of the day, both will only be estimates of what a retrofit might save on a particular home.
Larry Harmon is the vice president of Air Barrier Solutions, LLC. He has managed efficiency programs, was a founder of the Building Performance Institute, and has worked in the field retrofitting residential and commercial structures. Larry has consulted with utilities, government organizations, contractors, manufacturers, and developers.
For more information:
Air Barrier Solutions, LLC, trains and consults on building envelope issues and markets building envelope services in the commercial, residential, and institutional sectors. Larry Harmon can be reached at (888)933-6264 or lharmon@ airbarriersolutions.com. You can also hear him speak on retrofits at the Building Energy Conference, presented by the Northeast Sustainable Energy Association (NESEA), March 11–13, 2008 in Boston, Massachusetts. Go to www.buildingenergy.nesea.org for more on the conference.
If you want to check out a couple of experienced home performance contractors for ideas and inspiration, here are some fine examples:
Canam Building Envelope Specialists, Incorporated, is a 29-year-old Canadian company that specializes in treating building envelope issues in residential and commercial buildings. For more on Canam, go to http://canambuildingenvelope.com, or call (877)226-2641.
GreenHomes America is a 27-year- old home-performance firm located in Syracuse, New York. GreenHomes focuses on existing homes and in each case treats the entire house. For more information about GreenHomes America, contact Mike Rogers, Vice President of Market Development at (802)862-3250 or email@example.com.
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For an instant touch of glamour or even a little hint of chic, there's nothing quite like a classic piece of jewelry. What is our distinctive hallmark? Personalization of course! This Mother's Day, spoil mom rotten and take a look at our wonderfully luxurious birthstone gems and jewels. Shimmer, sparkle, glitz and glimmer all combine in our gorgeous jewelry box favorites. From wear-with-everything everyday necklaces, earrings, bracelets and rings, to all-out glamorous bejeweled pendants, drop-earrings and keepsake bracelets, we've got all kinds of jewelry gifts.
Better yet, our gems are available in gold or silver so you can guarantee you'll find something to coordinate with the rest of Mom's jewelry collection. Shop contemporary and modern picks, classic and elegant finds or even bring some embellishment to Mom's everyday with a beautiful birthstone. When you shop our Mother's Day selection you'll also find many fashionable pearl bracelets and elegant pearl necklaces to pick between.
As for the traditional monogrammed locket, it gets a gorgeous update thanks to our collection of customizable pendants. And how about a gorgeous new personalized jewelry box in which to present that beautiful new pick? Shop our Mother's Day boutique and you'll discover a wide range of custom jewelry and keepsake boxes in all kinds of unique and elegant designs.
Looking for a statement-making piece? You got it! Want a wonderful simple wear-with-everything gem? You bet! Want an embellished sparkler? Look no further! From personalized bracelets, to birthstone embellished necklaces and even wonderful photo-printed jewelry, we've got wearable mom keepsakes to suit all kinds of moms.
So make it a Mother's Day to remember and take a look at our one-of-a-kind jewelry boutique right here at Personal Creations. We'll make it simple to create the unique jewelry gift you've got in mind. Just take a look at our inspired design suggestions. Mother's Day jewelry was never so easy to make!


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Bracelets have long symbolized the circle of life. At Gemvara, we believe that the bracelet you wear should be one of a kind, like you. That's why our bracelets are made to order in your choice of conflict-free gems and recycled precious metals. Choose Flurite and Palladium or Lemon Quartz and Silk: it's your choice. Mix and match gems and precious metals for a look that's exactly you. It's jewelry for all life's occasions, from a birthday or graduation to your own personal milestones and celebrations. Our unrivaled selection of designs means you can find a bracelet that's just your style. Because all Gemvara Moissanite Bridal Party Bracelets are made to order, we can hand-select the finest quality materials to perfectly suit your design. Clean Moissanite Bridal Party Bracelets with mild dish soap: use a soft brush where dust collects. Gemvara's fine quality Moissanite Bridal Party Bracelets are designed to be passed down for generations to come, crafted by hand in the United States.
We can help right away. Chat with a jewelry expert now!


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Learn about land packages before or after your cruise.
Shore Excursions
Already Booked?
Learn about land packages before or after your cruise.
Shore Excursions
Already Booked?
Select a Journey Type
Select a Destination (You can select multiple destinations)
Select a Month (You can select multiple months)
Select a Duration
|Location Madeira (Funchal), Portugal
|Madeira (Funchal), Portugal
|Tour Code FU39
|Duration4.00 Hours
|4.00 Hours
|Activity Level#Medium
|RestrictionsMinimum Age: 12 years
|Minimum Age: 12 years
Please remember you have up to 2 days prior to your sail date to purchase your Azamara® shore excursions online. If you are within the 2 days, you will then need to purchase your shore excursions on board.
*Prices are representative, subject to change and availability and vary by sailing. Tours, tour dates, and times are subject to change and availability. A cruise booking number and at least one deposit payment is required to purchase a tour. Tours may be purchased online or by calling us up to four days prior to the cruise departure date. After that time, tours must be booked onboard.
Tours purchased prior to the cruise departure date will be charged to your credit card in the same currency as your cruise reservation. Tours purchased onboard will be charged in U.S. dollars to your KeyCard account. Exchange rates are determined by a competitive pricing program.
The providers of tour arrangements are independent contractors and are not acting as agents of representatives or Azamara. In no event shall Azamara be liable for any accident or harm to passenger, which occurs as a result of any acts, omissions, or negligence of any independent contractors.


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Steelers rookie Jarvis Jones settling in
PITTSBURGH - Jarvis Jones is not James Harrison. For one thing, there's the hair.
The rookie Pittsburgh Steelers outside linebacker has long dreadlocks that appear under his helmet and skitter across his name when he sprints into the backfield.
There's the body, too. The 6-foot-2, 245-pound Jones is taller, leaner and wispier than the 2008 NFL Defensive Player of the Year who was cut by the Steelers in a salary cap move in March.
Then there's the demeanor. Where Harrison was all snarl, the 23-year-old Jones is Southern charm.
Yet Jones understands he is the heir apparent. The Steelers tend not to take risks with first-round draft picks. The comparisons are inevitable after they chose the speedy Georgia kid, who led the NCAA in sacks last fall, with the 17th selection. The draft came just six weeks after releasing the productive but aging Harrison.
"I don't compare myself in no way to James Harrison," Jones said. "He's a great player. Respect him. Never met him. But I love his game. I wouldn't mind being an impact player like James Harrison."
Neither would the Steelers.
Pittsburgh led the NFL in fewest yards allowed in 2012 but failed to produce the kind of splash plays - namely sacks and turnovers - that have helped make the franchise perennial Super Bowl contenders. Injuries to Harrison, outside linebacker LaMarr Woodley and safety Troy Polamalu forced the Steelers to play solid but safe. Pittsburgh finished tied for 15th with 37 sacks and 24th in takeaways with 20.
Jones could bring back some of the menace. He set a Georgia record with 14.5 sacks in 2012, his ability to wreak havoc in opposing backfields from the edge had him projected as a potential top 5 pick.
Instead, concerns about Jones' neck - diagnosed with a narrowing of the spinal column early in his collegiate career - and his speed after running a sluggish 40-yard-dash sent him tumbling to the Steelers in the middle of the first round.
Good place to land
Not that it bothered Jones. There are worse place to land than a team that forged its identity and won six Super Bowl titles on the backbone of a 3-4 defense which has served as the NFL's gold standard for most of the last 40 years.
Besides, as Jones pointed out on Friday "at the end of the day those guys are picking early for a reason. I landed right where I want to be."
Even if Jones is not the starter, at least not yet. Jason Worilds, who finished second on the team with five sacks, is atop the depth chart and coach Mike Tomlin isn't quite ready to anoint Jones.
"He's going to be a rookie and he'll go through the same thing rookies go through," Tomlin said. "We're not going to take anything for granted in terms of his growth and development."
Defensive coordinator Dick LeBeau's complex playbook can make it difficult for first-year players to find playing time. There will be plenty of studying before training camp opens in July. Jones hardly appears overcome by the sudden thrust from NFL prospect to NFL player.
Asked to describe LeBeau, Jones just smiled and called the Hall-of-Famer "chill."
Then again, it's early. The Steelers might not be rebuilding but they are regrouping after an 8-8 season. Jones will get a chance to prove he belongs. In a way, he already does. In the hours after hearing his name called by NFL commissioner Roger Goodell, Jones received congratulatory phone calls and texts from Woodley, Polamalu and Ben Roethlisberger.
"I can't wait to get in the locker room with those guys and just learn from those guys," he said. "It's definitely a blessing to be on the field with those guys."
The Steelers might talk about having Jones take his time and learn the system, but in today's NFL, first-round picks aren't supposed to wait their turn, particularly if it's a position where there's a significant need.
Jones impressed Tomlin and general manager Kevin Colbert with his maturity. He'll need to lean on it to fit into an organization that's still knee-deep in veterans.
"They're about winning," Jones said. "They're about playing hard-nosed defense and they're about playing down after down. I see it and I know what it means."