HeatCAD
by Avenir Software
ACCA-approved drawing-based Manual J 8th Edition software with integrated load calculations and 3D CAD views for residential HVAC design.
5.0 - Good Media

Overview
HeatCAD is a drawing-based software for fast and accurate residential heating and cooling load calculations. The MJ8 Edition provides ACCA-approved Manual J 8th Edition calculations with automatic detection of unheated surfaces, integrated load calculations directly in the drawing environment, and 3D CAD views for design visualization.
FSH Score Breakdown
Customer Reviews
Key Features
| Feature | Value |
|---|---|
| Manual J Load Calculation | ✅ |
| Manual D Duct Design | ❌ |
| Manual N Equipment Selection | ❌ |
All Features
| Feature | Value |
|---|---|
| Cloud-Based Platform | ❌ |
| Mobile Field App | ❌ |
| CAD Drawing Export | ✅ |
| ServiceTitan Integration | ❌ |
| QuickBooks Sync | ❌ |
| Energy Modeling | ❌ |
| White-Label Reports | ❌ |
| Multi-Location Support | ❌ |
| Manufacturer Database | ✅ |
| API Access | ❌ |
Pricing
- Model
- Subscription
- Starting at
- Contact for pricing
Need a website for your HVAC business?
Full Stack HVAC builds professional contractor websites that generate leads. Purpose-built for HVAC companies.
Build Your Website →Similar HVAC System Design & Load Calculation Tools
Compare all →Other tools in the same category. Compare to find the best fit.