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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  ProCalcs is our "go-to" engineer for Residential HVAC design.

    thumb Steve Siebert

    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  ProCalcs has the best service around, the service and staff are great to work with and very informative about their product and services. I recommend them for your Load & Energy Calculations and Duct Design!

    thumb Bailey Moers

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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