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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.

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






    * Please upload Floor Plans, the Project Construction PDF, or duct layout sketch here. If plans are larger than supported, please email them to 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, which should encompass building dimensions, insulation levels, window types, and other relevant specifications. Architectural Project Plans (optional) that show the building layout and design, including floor plans, elevations, and structural details. A Duct Layout (optional), either pre-existing or hand-drawn, showing trunk lines, branch lines, and register locations to support Manual D calculations. Manual S Details including HVAC equipment brand, model, SEER rating, and heating efficiency levels (e.g., 80%, 92%, 96%). You should also indicate the number of units on each floor and the total units in the building.

    If REScheck verification is required, please provide relevant information related to energy code compliance, insulation values, window specs, and system details — or we can use your Project Construction data for this.

    By submitting these documents, our team can ensure accurate load calculations, better energy efficiency, and compliance with building codes and regulations.

    Manual J Load Calculations

    Ensure your HVAC system is properly sized for maximum comfort and efficiency.
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    Manual S Equipment Selection

    Choose the right equipment based on your specific load calculations for optimal performance.
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    Manual D Duct Design

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

    Achieve code compliance with our accurate and detailed REScheck reports, simplifying the approval process for building permits.
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    Florida Energy Code Compliance Form 405

    The Florida Energy Code Compliance Form 405 is an essential document for ensuring your project meets Florida’s energy efficiency standards. This form is a requirement for new construction, renovations, and HVAC system upgrades to demonstrate compliance with state regulations.

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    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.

    Our Pricing

    Manual J

    Only $0.10/sq. ft.
    • Get precise Manual J HVAC Load Calculations that optimize your indoor comfort at an unbeatable price.
    • Fast Turnaround: Receive your results in just 2-3 Business Days to keep your project on track.
    • Free Delivery: Enjoy FREE email delivery of your calculations in PDF format. Need a hard copy? Just ask!
    • Unlimited Revisions: We offer unlimited adjustments to ensure your results are perfectly suited to your needs.
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    Manual D

    Only $0.10/sq. ft.
    • Achieve optimal airflow with our precise Manual D HVAC Duct Sizing and Layout services at an unbeatable price.
    • Swift Turnaround: Get your duct sizing results in just 2-3 Business Days to keep your project moving.
    • Convenient Delivery: Enjoy FREE email delivery of your layout in PDF format. If you need a hard copy, just let us know!
    • Unlimited Revisions: We provide unlimited adjustments to ensure accuracy and fit for your specific requirements.
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    Manual S

    Only $100/System
    • Ensure your HVAC system meets compliance standards all at an exceptional price.
    • Fast Turnaround: Receive your compliance report in just 2-3 Business Days to keep your project on track.
    • Easy Delivery: Get your report delivered FREE via email in PDF format. We can provide that upon request!
    • Unlimited Revisions: Enjoy unlimited adjustments to guarantee total accuracy and compliance.
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    REScheck

    Only $100/Report
    • Achieve energy efficiency compliance effortlessly with our thorough REScheck reports, all at an unbeatable price.
    • Quick Turnaround: Receive your detailed report in just 2-3 Business Days to keep your project on schedule.
    • Convenient Delivery: Enjoy FREE email delivery in PDF format. Prefer a hard copy? We can arrange that upon request!
    • Unlimited Revisions: Benefit from unlimited adjustments to ensure complete accuracy and compliance tailored to your project needs.
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    Standalone Form 405:

    Pricing
    • Residential up to 2,500 sq. ft.: $175
      Over 2,500 sq. ft.: $50 per additional 1,000 sq. ft.
      Discounted Rate with Manual J or D: Flat $100, regardless of the property size.
    • Why Choose Us?
    • Fast turnaround and reliable calculations.
    • Experienced in HVAC load calculations and compliance requirements.
    • Bundle and save with our Manual J, D, and Form 405 packages!
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    Get Instant Pricing with Our HVAC Service Calculator

    Use our HVAC service calculator to quickly determine the cost of Manual J, Manual D, Manual S, and REScheck services for an accurate estimate of your project.

    Contact Us

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






      * Please upload Floor Plans, the Project Construction PDF, or duct layout sketch here. If plans are larger than supported, please email them to 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, which should encompass building dimensions, insulation levels, window types, and other relevant specifications. Architectural Project Plans (optional) that show the building layout and design, including floor plans, elevations, and structural details. A Duct Layout (optional), either pre-existing or hand-drawn, showing trunk lines, branch lines, and register locations to support Manual D calculations. Manual S Details including HVAC equipment brand, model, SEER rating, and heating efficiency levels (e.g., 80%, 92%, 96%). You should also indicate the number of units on each floor and the total units in the building.

      If REScheck verification is required, please provide relevant information related to energy code compliance, insulation values, window specs, and system details — or we can use your Project Construction data for this.

      By submitting these documents, our team can ensure accurate load calculations, better energy efficiency, and compliance with building codes and regulations.

      FAQ

      How long does it take to receive a Manual J report?

      Manual J Express’s turnaround time for a fast Manual J is typically just 2 to 3 business days. We prioritize accuracy and speed using certified Manual J calculation methods approved by ACCA. This ensures your report is ready for submission, which is especially useful when meeting permitting deadlines or HVAC installation schedules. Our process is efficient, and unlimited revisions are included to ensure the final report meets your project’s requirements the first time.

      We specialize in heat load calculation for permit requirements, including systems using high-efficiency heat pumps. Our team generates precise results using Manual J software standards, which are trusted throughout the HVAC industry. Whether you’re working on a new build or retrofitting a property, we consider the unique thermal characteristics of heat pump systems ensuring compliance with building codes and comfort expectations. Accurate sizing improves energy efficiency and extends the system’s lifespan.

      Absolutely. In addition to Manual J calculation projects, we provide complete Manual J S D report packages. Manual S ensures proper equipment selection, while Manual D verifies efficient duct layout. These combined reports are often required for permits and inspections in all 50 States. Our integrated approach helps you avoid mismatches in system design and ensures a smooth installation. Just upload your floor plan and project details, and we’ll handle the rest accurately and on time.

      We need a floor plan (PDF or sketch), ceiling heights, window sizes, insulation values, and the building’s orientation to complete a certified Manual J calculation. If you’re working on a Florida project, we can generate a Florida R405 energy report using the same data. All details help us produce precise room-by-room load calculations essential for sizing HVAC systems correctly. Submitting accurate information upfront ensures your Manual J is compliant, fast, and ready for permitting with no delays.

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