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What is a BTU? The British Thermal Unit, or BTU, is an energy unit. It is approximately the energy needed to heat one pound of water by 1 degree Fahrenheit. 1 BTU = 1,055 joules, 252 calories, 0.293 watt-hours, or the energy released by burning one match. 1 watt is approximately 3.412 BTU per hour.
To calculate how many BTU of heating output you need, you have to know only 3 factors: Total square footage of your home, or the place you want to heat up in winter. This can be anything from a 150 sq ft room to a 3,000+ sq ft house. Your climate zone.
11 Οκτ 2024 · To calculate BTU per square foot, start by measuring the square footage of each room you want to heat or cool. Then, add the square footage for each room together. Once you have the total square footage, just multiply that number by 20 to find how many BTUs per hour you'd need to heat or cool the space.
7 Ιουλ 2023 · The generally accepted BTU per square foot heating rule of thumb ranges from 30 BTU to 60 BTU per square foot. That’s a wide difference, essential one furnace being twice as large as the other, so the size factors are discussed to help you narrow down the right BTUs needed for your home.
Simple answer to ‘how many BTU per square foot’ is 20 BTU per sq ft. You will probably need more than 20 BTU if you live in sunny Texas or if you have lots of windows. To properly estimate the size of an air conditioner for your square footage, you can use the BTU calculator here.
25 Ιαν 2024 · How Many Btu Per Square Foot? The number of BTUs (British Thermal Units) per square foot can vary depending on factors such as the climate, insulation, and specific requirements for heating or cooling a space.
This calculator uses the following formula to determine the heating BTU required: BTU Requirement = Base BTU × Area × Ceiling Height × Insulation Factor × Window Factor × Climate Factor. Base BTU: We use a base value of 20 BTU per square foot.
