If you are in the market for a new gas furnace then without a doubt a variable speed two stage furnace would be your best choice.
Carrier 2 stage variable speed furnace.
The two stage gas furnaces include two 80 percent models and three that function up to 96 7 percent afue.
Two stage furnaces two stage or dual stage furnaces have three settings.
The comfort heat technology two stage gas valve is at the heart of the comfort provided by this furnace along with the variable speed ecm blower motor and two speed inducer motor.
With an annual fuel utilization efficiency afue up to 96 5 the performance series two stage gas furnace provides exceptional savings when compared to standard gas furnaces.
Longer low stage run times give you better energy efficiency better temperature control and increased comfort.
You can pair it with a high efficiency heat pump or air conditioner and gain a cooling efficiency boost from its variable speed blower.
The furnace will go to second stage high fire based on one of two conditions.
The majority of carrier furnaces incorporate variable speed blowers reducing the amount of energy expended while transporting heat through the ventilation system.
Off on low mode and on high mode.
Longer low stage run times give you better energy efficiency better temperature control and increased comfort.
1 the time the furnace has been operating or 2 if the thermostat senses it needs to raise the temperature more than two degrees.
How does it work.
And the same applies to heat pumps.
It also assures you quieter performance.
If the weather gets especially cold the equipment will switch to its higher setting.
It also assures you quieter performance.
It features two stage heating allowing the furnace to run in low stage up to 90 of the time.
For example when a furnace rated at 80 000 btu s first turns on it will operate at 60 000 btu s 75 of 80 000.
Overview supported by the performance edge thermostat and a variable speed blower motor this two stage furnace will run in low stage up to 90 of the time.
Overview backed by the intelligent infinity control and a variable speed blower this two stage furnace will run in low stage up to 90 of the time.
Most of the time the furnace will run on the lower setting.
Many are available with two speed compressors and variable speed air handlers for the ultimate in comfort and efficiency.
Our forced air units can keep your home warm with models that automatically adjust as conditions change circulating warm air nearly continuously for high efficiency quiet operation and consistently comfortable temperatures.
As an 80 furnace it is most suitable for areas with milder winters.