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Your Trusted Partner for Accurate HVAC Load Calculations and REScheck Services

Are you a homeowner, contractor, or HVAC professional looking for precise and reliable HVAC load calculations and REScheck compliance? Look no further! At Manual J Express, we specialize in providing comprehensive Manual J, S, and D calculations and REScheck services to ensure optimal comfort, efficiency, and code compliance for your heating and cooling systems.

Manual J Load Calculations

Ensure your HVAC system is properly sized for maximum comfort and efficiency.

Manual S Equipment Selection

Choose the right equipment based on your specific load calculations for optimal performance.

Manual D Duct Design

Design efficient duct systems to enhance airflow and maintain balanced temperatures throughout your space.

REScheck Compliance Reports

Achieve code compliance with our accurate and detailed REScheck reports, simplifying the approval process for building permits.

Why Choose Manual J Express?

Expertise You Can Trust

Our team of certified HVAC specialists has extensive experience in performing accurate load calculations and REScheck reports, ensuring your system is tailored to your specific needs and meets code requirements.

Fast Turnaround

We understand the importance of timely results. Our streamlined process ensures you receive your calculations and reports quickly without compromising on accuracy.

Comprehensive Reports

Our detailed reports cover all aspects of Manual J (load calculations), Manual S (equipment selection), Manual D (duct design), and REScheck compliance, providing you with a complete solution.

Smooth Permit Process

With our accurate and detailed reports, the permit process becomes smooth and easy, helping you avoid delays and ensuring approval.

Competitive Pricing

Get the best value for your money with our affordable and transparent pricing structure.

Contact Us

For any inquiries or additional information, feel free to contact us at

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* Please upload Floor Plans, the Project Construction PDF, or duct layout sketch here. If plans larger than supported, please email it to us at info@manualjexpress.com

Instructions for Uploading Documents for HVAC Manual J, S, D, and REScheck:
To facilitate accurate processing of your HVAC project, kindly upload the following documents:
Project Construction Details: This document should encompass comprehensive specifications of the construction, including building dimensions, insulation levels, window types, and other pertinent information. Architectural Project Plans (Optional): Please furnish architectural drawings or plans outlining the building's layout and design, inclusive of floor plans, elevations, and relevant structural details. Duct Layout (Optional): If you possess a pre-existing duct layout or wish to provide your own design, please hand draw them on the room layout. This assists in Manual D calculations and includes details of the ductwork design, such as trunk lines, branch lines, and register locations. Alternatively, our team can estimate based on the plans provided. Manual S Details: Please supply information on the HVAC equipment intended for use, specifying the brand, model, and series. Additionally, indicate the preferred SEER rating for the air conditioning unit and desired efficiency rating for the heating system (e.g., 80%, 92%, 96%). If assistance with equipment selection is required, kindly indicate this in your submission. Also, specify the number of units on each floor and the total number of units in the property. REScheck Requirements: If REScheck compliance verification is necessary, provide any pertinent documents or information pertaining to energy code requirements, insulation levels, window specifications, and HVAC system details. Alternatively, we can utilize the Project Construction details. By submitting these documents, our team can conduct accurate and comprehensive calculations for your HVAC project, ensuring optimized energy efficiency, comfort, and compliance with relevant building codes and regulations.