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Introducing Our Company

Why Choose ProCalcs?

ProCalcs addresses the needs of residential and commercial Builders, Architects,Engineers, HVAC Companies and Home Owners by delivering high quality results and flexible turnaround times.

A/C Duct Designs


  • Manual J – Residential Calculations
  • Manual N – Light Commercial
  • Manual S – System Design
  • Manual T – Air Distribution Basics
  • Manual D – Residential Duct Design
  • Load Calculations
  • Energy Calculations
  • Duct Design
  • HVAC Design
  • And More!

Complete Your Jobs


ProCalcs hasday turnarounds which allows you to eliminate delays and complete your jobs quicker.

    review rating 5  Our company uses ProCalcs for all our energy studies required by the county. They are quick, efficient and very easy to work with. So glad we found them!! Susan Hill, NFP BUILDING, INC.

    thumb Tiffany Passons

    review rating 5  Provided professional HVAC design to ensure maximum comfort in my house while ensuring I had proper equipment to meet my family's needs. Highly recommended to anyone needing load calculations or HVAC duct layout.

    thumb Paulette Mullins

    review rating 5  The team was so sweet to work with! My husband and I had no previous knowledge on this kind of stuff but while helping us with our home needs our designer was sure to explain why things were the way they were, and even taught us how to save money on our energy bill! Very knowledgeable, timely, and customer oriented business, love it and highly recommend

    thumb Ariana Lunceford

Our Services

Manual J Calculations

Manual J Load Calcs – Determines the total amount of heat gained or lost externally or internally, residential homes.

Manual N Calculations

Determines the total amount of heat gained or lost externally or internally, in small to medium sizes commercial buildings.

HVAC for Contractors

ProCalcs calculations division is certified for duct design, test and balance, Manual D certified, and holds a class “A” license.


Choose US For Your HVAC Design Needs

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Latest News

Boys & Girls Clubs Check ProCalcs Donates to BGC
proCalcs gold star ProCalcs Supports Gold Star Families
ProCalcs donates services to church


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