Calculadora de BTU para HVACFórmula

## BTU Calculation

**Base BTU = Square Footage × 20**

Adjustments:
- High ceilings: +5% per foot above 8ft
- Sun exposure: ±10%
- Extra occupants: +600 BTU each beyond 2
- Kitchen: add 4,000 BTU

**1 ton of AC = 12,000 BTU**

Ejemplo Resuelto

300 sq ft room, 8ft ceiling, average sun, 2 occupants.

  1. Base BTU = 300 × 20 = 6,000
  2. Ceiling factor = 1.0 (standard height)
  3. Sun factor = 1.0 (average)
  4. Occupant BTU = 0 (2 is baseline)
  5. Total = 6,000 BTU
  6. Tonnage = 6,000 / 12,000 = 0.5 ton