Modulating furnaces provide homes with more precise temperature control and less dramatic temperature fluctuations than single stage and even double stage furnaces.
Thermostat for modulating gas furnace.
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.
The modulating thermostat outputs a pulse width modulated signal on its v terminal that controls the gas valve on the furnace over a 40 100 power range.
In other words they are the most cost effective when it comes to long term energy savings.
Conventional gas forced air furnaces.
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.
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.
Like the single stage it too has maximum high and off settings but it does have one additional low stage that allows for a slower less energy gobbling stage of heat.
This type of furnace will aim to keep your home within one to two degrees of your desired temperature by adjusting its flame in slight increments to the changes it detects.
Modulating gas furnaces gas furnace manufacturers have for many years been working on modulating furnaces to make furnaces more efficient before modulating furnaces the highest rated in efficiency were two stage gas furnaces.
And since every modulating furnace has a variable speed blower they consume less electricity too.
It is mainly designed as a gas furnace thermostat to control the gas furnace or ac.
Enjoy savings through maximum efficiency.
Speaking of variable speed blowers the variable speed blower is the fringe benefit of a modulating furnace.
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.
It has an inbuilt schedule which you can use.
Top quality modulating furnaces can achieve an incredible afue rating of up to 98.
However it is not compatible with multistage systems or electric baseboard heating systems.
Then came the modulating furnaces.
With the vehicle analogy the car would travel at either full stop 0 mph maximum speed 120 mph or local street speed.
A double stage furnace is more closely akin to the single stage furnace than the modulating furnace.
Up to 98 cents of one dollar you spend goes toward heating your home.
A low voltage thermostat or control system is commonly used to connect with.
This thermostat comes with a 5 2 programmable memory meaning you can program for 5 weekdays and 2 weekends separelty.
Modulating furnaces only burn as much gas as you need to heat a given space which can make a gigantic difference in your heating bill.
These low voltage wires are typically very thin similar to wiring for doorbells or telephone jacks.