WebBTU Requirement = 500 sq ft x 20 BTU per sq ft = 10,000 BTU In short, a rough estimate tells you that you need about 10,000 BTU air conditioner to cool down a 500 sq ft space. Note: EPA’s rule of thumb is a bit conservative. In reality, you will need closer to 12,000 BTU air conditioner to adequately cool down spaces up to 500 sq ft. WebIf you have a 2,000-square-foot home, this rule of thumb suggests you need a 60,000 BTU heat pump. Call up a contractor and you’ll probably hear something similar. For 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 ...

BTU Calculator

WebFor one square foot of the insulation, one BTU per hour of heat flows across the insulator for each degree of temperature difference across it. 1 therm is defined in the United … WebMar 5, 2024 · They will also add approximately 380 BTU for each person in the space, 1,000 BTU for each window, and 1,200 BTU for each kitchen. Thus, a 2,000 square foot area with two windows, four regular … how old is misa death note

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WebCalifornia (Climate Zone 3): 1200 sq ft * 40 BTU/sq ft = 48,000 BTU. Illinois (Climate Zone 6): 1200 sq ft * 55 BTU/sq ft = 66,000 BTU. Example 1: How many BTU for a 30×40 shop? To keep this 30×40 shop or a huge 5-car garage warm, you will need 42,000 BTU in Texas and 66,000 BTU in Chicago, Illinois, for example. WebDepending on your region, you may need a different Btu per square foot in your home to keep it at a comfortable temperature. In climate zone 1, which occupies much of the southern part of the United States and parts of … Web15 rows · Jul 13, 2024 · The generally accepted BTU per square foot heating rule of thumb ranges from 30 BTU to 60 ... Each residential AC model is produced in a range of sizes. Some start at 18,000 Btu … how old is misa