They burn natural gas to heat their heat exchanger which transfers heat to airflow passing over the exchanger and out through the homes ductwork.
Residential gas furnace.
From our top of the line evolution system furnaces through the solidly built legacy line of bryant furnaces you can find the blend of dependable heating performance quiet operation and exceptional comfort and energy savings that is right for your home.
A gas furnace made in the early 1970s typically has an afue of about 65 percent.
An oil furnace generates heat using oil while gas furnaces are fueled by natural gas propane.
Some products like furnaces may also be affected by installation orientation horizontal upflow or downflow or even by the nozzle used in installation as is the case with boilers and oil furnaces.
Gas furnaces are typically more efficient and offer lower fuel costs but are more expensive than oil furnaces up front.
Save money with a dependable furnace.
Gas furnaces usually carry two individual warranties.
Winchester 120 000 btu 95 efficient single stage multi positional residential gas furnace with ecm blower motor model tm9e120d20mp12 2 143 00 2 143 00.
As quiet as they are efficient lennox furnaces also startup and run perfectly quietly helping to preserve the peace and quiet of your home.
Delivering precise comfort and temperature control lennox furnaces can keep your home to within 0 5 degrees of your ideal temperature.
Overall efficiency p efficiency within a model group will tend to vary by the size capacity of the unit.
Fer stands for fan energy rating and is a federal regulation that sets a minimum airflow efficiency standard for residential gas furnaces and gas packaged units.
However the parts warranty only needs to be five to 10 years.
One for the heat exchanger and another for all other parts.
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The lowest efficiency allowed by law for new gas furnaces is 78 percent and some new models achieve 97 percent.
Oil furnaces are typically priced lower and provide more heat per btu but are less efficient.
Residential gas furnaces from york are built for reliable heating performance and industry leading efficiency levels.
Lennox gas and oil furnaces are engineered to deliver perfect warmth efficiency and energy savings.
The heat exchanger is the most important part of the furnace and should have the longest warranty possible preferably over 20 years.
Bryant gas furnaces whatever chill is in the air stay cozy with a bryant gas furnace.
These furnaces are used in new installations and to replace existing furnaces of similar btuh output.