Thermostat For Modulating Gas Furnace

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Thermostat for modulating gas furnace.

However it is not compatible with multistage systems or electric baseboard heating systems. It is mainly designed as a gas furnace thermostat to control the gas furnace or ac. From top to bottom inside and out and every angle in between we ve thought of everything to bring you efficient and dependable indoor comfort. With a modulating furnace the flame increases or decreases in smaller finer increments so that room temperature never varies more than 1 or 2 degrees from the thermostat s target temperature.

4 5 out of 5 stars 931. These have been available for a few years but now all of the major brands are making modulating furnaces. Amazon s choice for gas furnace thermostat. Get it as soon as fri sep 18.

Emerson 1e78 140 non programmable heat only thermostat for single stage systems. Typically this type of gas furnace such as bryant s evolution series combines a modulating gas valve with a variable speed blower the furnace then adjusts automatically between 35 and 100 of total capacity in small increments continuously regulating the amount of fuel burned according to the thermostat setting. In many cases the controls including the thermostat are proprietary. Free shipping on your first order shipped by amazon.

Therefore for the modulating furnace to operate properly the controls need to be set up properly. You will need the manufacturer of the furnace to provide the thermostat. The gas valves of these furnaces open anywhere from 40 to 100 depending on the precise need for heat in the home. Imho it seems that a better architecture would be to have the thermostat become a very simple device and locate the smart controls for modulation at the furnace air handler.

Other gas furnaces such as the two stage gas furnace only offer two stages. Using the vehicle analogy the modulating furnace would be closest to the way that a car drives able to range from a full stop to maximum speed but with innumerable cruising speeds between the two. Enjoy savings through maximum efficiency. According to the thermostat manual amplitude of this signal is about 10 vdc frequency is 1 hz and the pulse width is variable 350 to 950 milliseconds in steps of 50 msec.

It has an inbuilt schedule which you can use. Some of them adjust in increments as little as 5. It s too bad that trane and other manufacturers it appears are going down the road of proprietary thermostats for their highest end modulating solutions.