# How to Calculate Heat Pump Size?

To calculate the size of a heat pump to fit your needs, you need to consider several factors. The square footage of your space to be heated, the number of heating and cooling days in your climate, the insulation in the space are all factors to include in the calculations. You can find calculators online to help in this process.
Reference:
How to Calculate Heat Pump Size
According to the U.S. Department of Energy the greatest problem homeowners have is obtaining a correctly sized air conditioning or heating unit. In fact, the majority of homeowners have an oversized unit that is energy inefficient and does not run for... More »
Difficulty: Moderately Challenging
Source: www.ehow.com
To calculate heat pump size, first measure the width and length of the rooms to be cooled or heated. Multiply the width by the length for each room to arrive at the square footage. Add the sums together. Next convert the square footage into tons. A ton is equal to 2000 lbs, so divide this number by the total square footage. Now convert tons into BTUs. Each ton is equal to 12,000 BTUs, so multiply the tons by 12,000 to get the BTUs. Now each BTU is equal to 0.293 kW, so multiply this figure by the total BTUs to arrive the at the required kW per hour heat pump size.
Q&A Related to "How to Calculate Heat Pump Size?"
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 1. Measure the length and width of your room. Multiply them to arrive at the square footage. For example, a 10' long by 10' wide room (10 x 10) would have an area of 100 sq ft. 2. http://www.ehow.com/how_5628193_calculate-sizes-sq...
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