Air Handler Sizing Calculator

Input Parameters

Imperial (°F, BTU, ft)SI (°C, kW, m)

Cooling Load (BTU/hr)

Heating Load (BTU/hr)

Area (sq ft)

1,667

Required CFM CFM

Tonnage tons

Medium (3-10 tons)

Recommended Size

Tonnage4.17 tons(14%)

Required CFM1,667 CFM(17%)

Formula:

Tons = \frac{Cooling Load (BTU/hr)}{12000}

Calculation:

Tons = \frac{50000.00}{12000}

Result:

4.17 \text{ tons}

Formula:

CFM = Tons \times 400

Calculation:

CFM = 4.17 \times 400

Result:

1667 \text{ CFM}