Use this free tool to calculate the heating capacity your facility needs, by zone, before selecting equipment.
Fanquip Tool
Winter Heat Load Calculator
Enter your zone dimensions, building details, and temperature targets to calculate your required heating capacity in kW.
Zone Dimensions
Temperature Settings
Safe Work Australia recommends 20°C to 24°C
Extreme winter low for your location, not the average
Building Insulation
Skylights and glazed panels included
Ventilation and Internal Gains
Each person contributes approx. 100W heat gain
Estimate from machinery and lighting nameplate data
Please fill in all required fields (dimensions, temperatures, and window area) before calculating.
Results
Required Heating Capacity (with safety factor)
—
kilowatts (kW)
Gross Heat Loss
—
kW
Internal Gains
—
kW offset
Net Heat Load
—
kW (before safety factor)
Fanquip Equipment Recommendation
| Heat Loss Component | kW |
|---|
This calculator provides an indicative heat load estimate for equipment selection guidance. Results assume simplified building geometry and standard U-values. For complex facilities, multi-zone systems, or compliance-sensitive installations, engage a qualified HVAC engineer working to AS 1668 standards.
Ready to size your heater fans?
Fanquip’s industrial heater fans range from 7 kW to 36 kW in wall-mounted and trolley configurations.