4 calculators in this category
- Manual J Heating & Cooling Load CalculatorACCA Manual J 8th ed. (block load)This calculator runs a whole-house block load in the shape ACCA Manual J uses: conduction through each envelope assembly…
- Air Conditioner BTU & Tonnage CalculatorAHAM / ENERGY STAR room AC sizing methodEnter the room's floor area and this calculator returns the cooling capacity it needs in BTU per hour and in tons, using the…
- Furnace Size (BTU Input) CalculatorACCA Manual S equipment selectionA furnace is sold by its input rating and it heats your house with its output . This calculator converts the design heat loss…
- R-Value to U-Value Converter CalculatorASHRAE Fundamentals thermal resistance conventionsR-value and U-factor are reciprocals of one another, but they are quoted in different units on either side of the Atlantic and…