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HVAC BTU Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.

Fórmula

BTU/hr = Area × Ceiling Height × Insulation Factor × Climate Zone Factor

Guía paso a paso

  1. 1Measure room area, apply insulation and climate adjustments
  2. 2Apply the formula using your project measurements
  3. 3Add required safety factors or waste allowances per code

Ejemplos resueltos

Entrada
500 sf room, average insulation, moderate climate
Resultado
BTU = 500 × 25 = 12,500 BTU → 1 ton AC

Errores comunes a evitar

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

Configuración

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