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HVAC Sizing Calculator

Free Online HVAC Sizing Calculator

Estimate sensible and latent loads, total BTU/h, cooling tons, and ventilation CFM using envelope and usage inputs.

How to Use the HVAC Sizing Calculator

This calculator is designed to be simple and user-friendly. Enter your values and get instant results.

Features

  • Free to use - no hidden costs
  • No registration or sign-up required
  • Mobile-friendly design
  • Instant calculations
  • Accurate results

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