WebTo size a furnace that only includes a BTU input rating, you have to calculate the BTU output. To calculate the BTU output, multiply the furnace's efficiency by the BTU input. For example, if you look at a furnace with a BTU input of 80,000 and 95% efficiency, you multiply 80,000 by .95 for a result of 76,000, which is the BTU output the ... WebFeb 14, 2024 · The best furnace for you depends on many factors, and finding the right furnace size is vital to maintaining a well-warmed home and an affordable energy bill at the end of the month. If you’re overwhelmed, don’t worry. Keep reading to learn everything you need to know about furnace size and how to choose the furnace you need.
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WebDec 8, 2024 · You can calculate the size of the furnace you will need using this formula: Square footage of home x Heating factor for your climate zone = BTUs required to heat your home Step 1 – Finding Square Footage of Home Finding the square footage of your home should be relatively easy. WebDec 9, 2024 · Furnace capacity is measured in British Thermal Units, which express how much heat is required to increase the temperature of 1 pound of water by 1 degree … reading health system spring ridge lab hours
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WebMost furnaces are offered in 15,000-20,000 btu increments so you just need to get close in terms of sizing. If the furnace you selected is more than 10% below your heating requirement, we suggest you go up to the next size. A little under sizing or over sizing is fine, just don't over size by more than about 20% of your heating requirement, or ... WebFor decades, most contractors have sized HVAC systems, like heat pumps, by dividing the total square footage of a home by 500 to estimate how many tons of heat a home needs. If you have a 2,000-square-foot home, this rule of thumb suggests a 4-ton system. One “ton” in heating-speak is equal to 12,000 BTUs. WebYour local Carrier dealer is experienced at calculating furnace size and will do what’s called a “load calculation” to determine the size most appropriate for your home. Typical … how to style messy undercut