Engineering calculators
HVAC Calculators
Heat load, duct sizing, refrigerant.
2 calculators available.
HVAC Cooling Load Estimator
Estimate a room's cooling load (BTU/hr and tons) from area, occupants, lighting, equipment and climate.
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Cooling Tower Makeup Water Calculator
Estimate cooling tower makeup water: evaporation, blowdown, drift and total consumption from range, flow and cycles of concentration.
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