How do I order a Manual J calculation online?

Upload plans or enter project details, pay online, and receive an ACCA-compliant Manual J report within 2-3 business days.

Are the Manual S and Manual D reports accepted for permits?

Yes—our reports follow ACCA guidelines and are accepted by building departments in AZ, CA, UT, NV, NM, FL, CO, MD, DC, WA, ID and most other U.S. jurisdictions.

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— Manual J, S, D & Mechanical Plans

Get fully compliant HVAC load calculations for residential, commercial, and industrial projects. Our experts provide Manual J (Load Calculations), Manual S (Equipment Sizing), and Manual D (Duct Design) reports that meet city permit and code compliance requirements. Fast, accurate, and permit-ready.

What’s Included In Your HVAC Design Package?

Complete Manual J Load Calculation Report (Heating & Cooling Loads)
Manual S Equipment Sizing & Selection Report
Manual D Duct Sizing & Layout Plans
Mechanical Plans for City Submittal (PDF & CAD available)

Manual J

Tonnage Calculation Only

Manual JS

Includes Equipment Sizing

Manual JSD

Manual JS with Duct Design

Mechanical Plan

HVAC Plan for City Permit

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Manual JSD - Load Calculation, Equipment Sizing, Duct Design

Manual JS - Load Calculation, Equipment Sizing

Manual J - Load Calculation

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We provide Non-Stamped Mechanical Plan for City Permit

Calculated Price

Minimum Price:
Manual J: $150 | Manual JS: $175 | Manual JSD: $250

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