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Greenhouse Heating BTU Calculator — Heater Sizing

Enter greenhouse dimensions, target temperature, outside design temperature, and glazing type to calculate required heating BTUs.

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Heater Size
9,280 BTU
2.72 kW
Greenhouse Area
400 sq ft
Temp Rise Needed
40°F
🆓 100% Free🔒 Runs in your browser Instant results📱 Works on any device
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How to Use This Greenhouse Heating Calculator

  1. Enter greenhouse dimensionsLength, width, height.
  2. Set temperaturesInside target and outside low.
  3. Choose glazing typeGlass, poly, double-wall.
  4. View heater sizeIn BTUs.

Common Use Cases

  • Gardening
  • Greenhouse
  • Home improvement
  • Agriculture

Frequently Asked Questions

This tool is for informational purposes only. Read our disclaimer.

Need help with this tool? help@bodhins.com

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