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Manual J

Fast and Acurate Calculations

HVAC Design only uses accredited ACCA software in order to deliver the most accurate calculations to contractors, engineers, architects, and homeowner. Pass your inspections with ease!

Image by Coen Staal
Blueprint

Hassle Free Service

We will need the following information in order to deliver fast and accurate results:

  • Floor plans

  • Climate region 

  • Insulation Package

  • House orientation

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