HVAC Load Calculations for Permits and Code Compliance Nationwide
Manual J, Manual D, and Manual S calculations for contractors, builders, architects, and homeowners across all 50 states.
Energy Efficient Products
Expert HVAC Design Services for Residential and Commercial Properties
Why Choose ProCalcs?
ProCalcs is a licensed and insured HVAC design company based in Port St. Lucie, Florida, specializing in Manual J load calculations, Manual D duct design, and Manual S equipment selection for residential and light commercial projects. All calculations are prepared to meet applicable energy code requirements and support permit approvals.
Services
Find out how much you can save on your project!
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OUR SERVICES
Manual J Calculations
Manual J Load Calcs – Determines the total amount of heat gained or lost externally or internally in residential properties.
Manual N Calculations
Determines the total amount of heat gained or lost externally or internally, in small- to medium-sized commercial buildings.
Manual S Calculations
Covers sizing strategies for all types of cooling and heating equipment, as well as how to use manufacturer’s performance data!
Manual D Calculations
The ANSI-recognized national standard for residential HVAC duct design will help you design a duct system in less time.
Energy Code Compliance Calculations
REScheck and COMcheck energy compliance documentation for building permit approval.
WHO WE SERVE
HVAC Contractors
Permit-ready calculations and duct designs to support bids, installations, and building department approvals.
Builders and Developers
Complete HVAC design packages for residential and light commercial construction projects.
Architects and Engineers
Technical HVAC specifications and load calculations that integrate with building plans.
Homeowners
Independent load calculations and equipment recommendations for renovations and system replacements.
Nationwide Service with Regional Expertise
ProCalcs serves residential and light commercial projects across all 50 states. We provide accurate, code-compliant Manual J, D, and S calculations for any building code and climate condition nationwide.
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