 gas furnace an electric plumbing heater and have a heat pump outside my mind is already adding up okay i need this i need this and okay you should have enough wires right but before we do anything we make sure we make sure that you have the wires that are associated properly sometimes there's just enough wires and then i figure out plan b or plan c or however i gotta get her done there's ways of getting it done and making it work better for you so giving you more control of your hvac system yeah