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R-5 insulation will take in more heat compared to R-35 insulation. This is because the R-value measures the insulation's resistance to heat flow; a lower R-value indicates less resistance and therefore allows more heat to pass through. In contrast, R-35 insulation provides significantly greater resistance to heat transfer, making it more effective at keeping heat out in summer and retaining warmth in winter.
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How many BTU would it take to cool a home down of 4200 square feet with a central air conditioning system?
The only sure way to tell you is to do a heat load calculation on your 4200 ft2 home. Such things as windows, insulation values and other factors effect the size of the unit or units that you would need.
How many BTU's will it take to heat 320 sq ft?
It is a question of cubic feet, not square feet.
How do you find out how much insulation you would need for a shop with 10 foot walls measuring 26 feet by 28 feet built with 2X6 16 inches on center?
Multiply the height of the wall space by the length. This will give you the square footage. Rolls of faced and unfaced insulation are generally sold by square footage. Make sure you take out for windows and doors (especially the overhead garage door).
How many cubit feet of natural gas will it take to heat 100 sq ft?
A cubit = 1.5 feet so a cubit foot = 1.5 square feet, is a measure of area. The amount of natural gas required to heat a space needs a volume measure, a measurement in terms of its area is without any meaning.
How many btu's does it take to heat a basement room 150 square feet?
Standard practice holds that it takes 5000 BTUs to heat a room 100 to 150 sq ft Figure on adding another 1000 BTUs for every 50 or so sq ft added. Hence , 400 to 450 sq ft would need about 10,000 BTUs
