More stable temperatures when running at its lower setting a two stage furnace provides a lower volume of warm air over a longer period.
Single stage furnace with 2 stage ac.
The number of heating stages has nothing to do with cooling.
Differences between single stage two stage variable speed furnaces.
But the two stage air conditioner can meet your cooling needs about 80 of the time with its low setting meaning it will run more often without as many starts and stops.
The multiple stages are for comfort.
The furnace blower unit is an older lenox g40uh 36a which appears to only accommodate single stage ac i e.
The main ac unit is a 3 ton american standard gold 18 4a7a3036e which i think is a two stage unit.
There is nothing wrong with having one furnace be a single stage and the other furnace being a 2 stage.
This would be attractive for your hot summers.
If you are going to have only one 2 stage furnace then it should be the one you use the most.
A single stage air conditioner turns on and off more frequently because it can only cool at one speed then turn off once it reaches your thermostat setting.
Likewise a 95 percent afue single stage furnace is more efficient than a 90 percent afue two stage furnace.
Generally two stage furnaces cost about 500 more than comparable single stage models.
The first stage of this type of furnace operates the majority of the time in most climates and runs at about 65 of the furnace s full capacity.
A variable speed furnace will allow you get a more efficient ac.
Beware of the two stage furnace hype certain heating contractors will rave about the claimed benefits of the two stage furnace.
When you re in the market for a new furnace in massachusetts you certainly have several options from which to choose and there are several factors that must be taken into consideration one of the biggest decisions you ll encounter is whether you should opt for a single stage two stage or variable speed furnace.
If it s rated at 80 000 btu s it will only operate at that capacity.
Mid efficiency two stage furnaces costs about 2 500 to 4 000 including installation the furnace itself usually costs 1 500 to 2 000 while labor adds an additional 1 000 to 2 000 high efficiency models cost about 4 000 to 5 000 to buy and install.
The difference between single stage and two stage furnace is the single stage furnace has only one heating output.
Not true at all some single stage furnaces can support a 2 stage ac.
You ll get a gentle steady flow instead of intermittent blasts.