handler 24 temperature conditioning component 22 and also communicates with user zone controls 130 associated with each of the zones the controls 130 can essentially be thermostats allowing a user to set desired temperature noise levels etc for each of the zones relative to the others moreover the controls 130 preferably include a temperature sensor for providing an actual temperature back to the control 36 in one embodiment the control system 36 is mounted within one of the thermostat controls 30 and communicates as a system control with all of the other elements through control wiring schemes such as is disclosed in co pending u s patent application ser no 10 752 626 entitled u201c serial communicating hvac system u201d and filed on jan 7 2004 system control 36 is also preferably able to receive configuring information with regard to each of these elements such that the control 36 understands individual characteristics of the elements 22 24 30 and 34 details of this feature may be as disclosed in co pending u s patent application ser no 10 752 628 filed on jan 7 2004 and entitled u201c self configuring controls for heating ventilating and air conditioning systems u201d the disclosure of these two applications is incorporated herein by reference indoor air handler 24 has a variable speed blower motor that is capable of reporting its operating speed to system control 36 in such a system the blower motor speed increases when the restriction in the duct increases as happens due to the closing of a damper 34 in the disclosed.