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With home prices still on the rise in every region of the U.S., 63% of homeowners say they'd rather remodel their homes than move to renovated homes, ... Heating and Air Conditioning Upgrades.
The three major functions of heating, ventilation, and air conditioning are interrelated, especially with the need to provide thermal comfort and acceptable indoor air quality within reasonable installation, operation, and maintenance costs.
Air-conditioner sizes are often given as "tons" of cooling, where 1 ton of cooling equals 12,000 BTU/h (3.5 kW). 1 ton of cooling equals the amount of power that needs to be applied continuously over a 24-hour period to melt 1 ton of ice. The annual cost of electric energy consumed by an air conditioner may be calculated as follows:
In some areas electrical resistance heating is used, especially where the cost of electricity is low or the primary purpose is for air conditioning. Modern high-efficiency furnaces can be up to 98% efficient and operate without a chimney, with a typical gas furnace being about 80% efficient. [1]
EIA forecast the average household will spend about $931 for gas heat this winter and about $1,359 for electric heat. That is a 28% increase for gas and a 10% increase for electric versus last year.
As the return removes the cool or hot air, Martin says, the supply vents replace this air with the opposite of what it is removing. In most homes, the furnace (forced air) and air conditioner ...
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