But if you chose a furnace with a higher efficiency like 93 percent you could downsize to a smaller input btu closer to 85 000.
80000 btu electric furnace.
In order to find the perfect furnace for your space you will first need to calculate the square footage of your home in order to estimate how many btus the furnace will need to possess whether you want standard or high efficiency and what orientation the furnace will need to be.
Wholesale furnaces buying guide.
You ll want to look at a unit s btu as well as its efficiency.
Goodman gmh80805cn gas furnace two stage burner multi speed blower upflow horizontal 80 000 btu 4 0 out of 5 stars 1 goodman gmss920803bn single speed 1 stage upflow horizontal low nox gas furnace with 17 1 2 92 afue 80 000 btu 1 200 cfm.
80 000 btu gas furnaces turn back winter s iciest blasts with an 80 000 btu furnace that will chase the chill for less money and less worry than your old furnace.
A furnace with an input btu of 100 000 and an efficiency of 80 percent would be a perfect fit because 80 percent of 100 000 btu is 80 000 btu.
Goodman gmh80803bn 80 000 btu furnace 80 efficiency 2 stage burner 1 200 cfm multi speed blower upflow horizontal flow application.
The average furnace has a btu rating of 80 000 to 100 000 btus.
Gas furnaces use gas to heat your home.