learn.howToCalculate
learn.whatIsHeading
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
Guia passo a passo
- 1Measure room area, apply insulation and climate adjustments
- 2Apply the formula using your project measurements
- 3Add required safety factors or waste allowances per code
Exemplos resolvidos
Entrada
500 sf room, average insulation, moderate climate
Resultado
BTU = 500 × 25 = 12,500 BTU → 1 ton AC
Erros comuns a evitar
- ✕Not applying code-required safety factors or derating
- ✕Forgetting to account for waste and cut losses in material estimates
Pronto para calcular? Experimente a calculadora HVAC BTU gratuita
Experimente você mesmo →