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Heat Load Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.

Formel

Heat Load = U-value × Area × Temperature Difference (BTU/hr)

Trin-for-trin guide

  1. 1Calculate heat transmission through each building element
  2. 2Apply the formula using your project measurements
  3. 3Add required safety factors or waste allowances per code

Løste eksempler

Input
Wall: 0.07 U × 500 sf × 60°F delta
Resultat
Heat Load = 0.07 × 500 × 60 = 2100 BTU/hr through wall

Almindelige fejl at undgå

  • Not applying code-required safety factors or derating
  • Forgetting to account for waste and cut losses in material estimates

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