testimonials

Williams Air Conditioning in Garland has been servicing my home for many years now. ALWAYS FAST service. ALWAYS RELIABLE and TRUTHFUL. They DO HAVE A

Nov 22, 2014 by John

Williams Air Conditioning in Garland has been servicing my home for many years now. ALWAYS FAST service. ALWAYS RELIABLE and TRUTHFUL. They DO HAVE A State of Texas License. IF you want the BEST I ...
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Zoning Products

Zoning is the technology that allows you to maintain the temperature of your choice in every room, every time.

TrueZONE® – The Zoning Game Changer


  • TrueZONE® HZ432 or HZ322 panels are now RedLINK-enabled
  • Add a Wireless Adapter and Wireless FocusPRO thermostats to easily zone a home without running thermostat wires
  • Works with the Portable Comfort Control to conveniently control every zone from one device
  • Works with the Wireless Outdoor Sensor to display outdoor temperature and humidity on all thermostats