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.
Gas furnace btu.
Natural gas for a furnace is priced by the therm or per 100 000 btus.
For example if a furnace is rated at 100 000 btus and is 80 efficient then the heat output will be 80 000 btus 100 000 x 8.
Furnaces are rated by the amount of fuel energy consumed when running called input btu.
Gas furnaces use gas to heat your home.
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If you have a furnace that is at least 10 years old it probably has an afue somewhere between 60 and 70 meaning up to 40 cents of every dollar you pay for fuel is wasted.
A heating degree day calculation using the month of july as a factor is a more precise way of estimating furnace size.
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A 90 percent high efficiency rated at 60 000 btu will.
Different furnaces of the same input btu have different efficiencies measured in percentages.
Furnaces are rated on their btus of energy consumption not their btus of energy output.
Trane 95 and 90 gas furnaces deliver at least 90 efficiency far exceeding the government minimum standard of 80 afue for new furnaces.
American standard 80 gas furnaces comfort efficiency and value that s built to last get the best of both worlds comfort and efficiency with our american standard 80 gas furnaces.
A more efficient furnace will output more btus of heat than a less efficient furnace with the same btu rating.
There are many factors to consider when choosing a natural gas or propane furnace for your home including size efficiency btu rating and more.
A typical furnace is rated at 100 000 or 80 000 btu per hour but furnaces might be as small as 40 000 or as large as more than 200 000 btu.
Btu charts furnace output and air conditioner size for a bungalow bungalow area sq ft furnace output btu hr air conditioner size ton built after year 1980 built before year 1980 built after year 1980 built before year 1980 up to readmore.
The best furnace for your neighbor may not be the right size for your home.
Century guh series 95 88 000 btu input and 85 000 btu output natural gas hot air furnace model guh95c090c4m cy 1 484 98 pallet 1 484 98 pallet standard delivery.
That means the furnace will produce 80 000 btu of heat.
For your ideal comfort it s important to consult with a qualified professional to ensure your.
For example a furnace with an input btu can have an efficiency of 80.