Units
Metric
Imperial
°C
-> -4°F
°F
-> 20°C
Ambient Temperature
°C
Required Temperature
°C
Height
m
Length
m
Width
m
R-factor
0.5 - Maximum Leakage/Unknown R-Factor
1 - Uninsulated
5 - Insulated Tarp (3/8" - 1/2")
10 - 2" Insulation
20 - 6" Bat Insulation
30 - 9"-10" Fiberglass Batt Insulation
38 - 12" Fiberglass Batt Insulation
Calculate
Heat required (W):
Heat required (BTU/hr):
Please follow the steps below:
Choose between Imperial and Metric
Enter in Building dimensions, R-Factor, Ambient Temperature, and Required Temperature
Press the "Calculate" button
Equipment Reference
Equipment
BTU
375
400,000
500
600,000
650
650,000
900 TA
1,200,000
1200
1,300,000
2500
2,500,000
3000
3,300,000
×
Browser Support
This calculator supports the following browsers:
Chrome 28 or higher
Internet Explorer 10.0.9200.16635 or higher
Firefox 23 or higher
Safari 6.0.5 or higher
© Artic Therm International Ltd.
All calculations are an approximate and are based off of ideal heating conditions.