Furnace Btu For 1000 Square Feet

Furnaces are rated on their btus of energy consumption not their btus of energy output.

Furnace btu for 1000 square feet.

80 000 to 90 000 btu hr. But your hvac dealer only has air conditioners that handle 24 000 or 30 000 btus. 1 btu 1 055 joules 252 calories 0 293 watt hour or the energy released by burning one match. 3 to 3 5 ton.

A more efficient furnace will output more btus of heat than a less efficient furnace with the same btu rating. 3 5 to 4 ton. Having a little extra power isn t bad. For example if you re trying to heat 1000 square feet in a cold climate 30 000 40 000 btu s will add significant warm air to your home.

90 000 to 100 000 btu hr. But before we buy an 80 000 btu furnace there s furnace efficiency to consider as well. Up to 2 5 ton. It is approximately the energy needed to heat one pound of water by 1 degree fahrenheit.

2500 to 3500 sq ft. Another quick and easy way to estimate the number of btu s required is with this helpful chart. Choose the 30 000 btu unit to make sure your comfort needs are covered. For example if you re trying to heat or cool 1 000 square feet you would multiply 1 000 by 20 and get 20 000 btus per hour.

2 5 to 3 ton. For example the manual j calculation may say you need 25 000 btus for cooling. And in cold climates multiply the square foot number by 30 40. The british thermal unit or btu is an energy unit.

For cooler climates a very broad estimate of furnace sizing is to select one that generates 40 to. The above square footages do not include the area of the basement. 2 000 square feet x 40 btus 80 000 btu output required thanks to the equation we know we need 80 000 btus of heat. 1 watt is approximately 3 412 btu per hour.

If your btu requirement is between sizes simply go with the bigger unit. A standard that is used by heating and cooling equipment companies is to provide at least 25 to 30 btu of heat per square feet in the home for a moderate to warm climate.