title: Building Environments: HVAC Systems
author:  Alan J. Zajac 
description: Creating healthy, productive indoor environments can be the greatest challenge facing those involved with the buildings. Whether you engineer, install, service, or operate heating, ventilating and air conditioning systems, Building Environments: HVAC Systems is for you. This comprehensive, easy-to-read text builds your understanding of HVAC systems and the controls that manage them. Through illustrations and realistic examples, Building Environments: HVAC Systems clearly and concisely explains how mechanical and control systems work together to create quality building environments. You'll learn the technical details behind these complex systems without being overwhelmed.Its unique style makes this fully illustrated text the best single reference if you are entering the HVAC industry or want to expand your knowledge of HVAC and control systems.
zlib_text: COST OF RESPONDING
  TO COMPLAINTS
  Clifford C. Federspiel,1 Ph.D.
  Center for Environmental Design Research
  University of California
  Berkeley, California
  56.1
  INTRODUCTION
  When building occupants become sufficiently hot or cold and have exhausted all coping
  behaviors available to alleviate their discomfort, they often complain to the facility man-
  ager. These complaint events are called unsolicited complaints because they are not elicited
  by the facility management as are complaints obtained through surveys. Unsolicited com-
  plaints contribute to the operating cost of buildings. Because many complaints are affected
  by controlled environmental variables such as temperature, it should be possible to manage
  the frequency of complaints, and consequently the cost of complaints, through proper oper-
  ation of the building control systems.
  Before operational policies are formulated to manage complaints, a thorough under-
  standing of the complaint generation and handling process in needed. The pro