Simple plan for precise HVAC load calculations
Get accurate Manual J results in minutes and verify equipment with Manual S. Toggle monthly or yearly billing, upgrade when you need branded PDF reports, blower door ACH50 inputs, duct losses, and custom design conditions.
- Branded PDF exports and share links
- Blower door ACH50 inputs and notes
- Duct losses and custom design temps
- Manual S equipment verification
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Designed for real-world HVAC workflows
Load Calc Guru helps HVAC contractors, builders, and energy pros produce credible Manual J results without spreadsheets. The plan covers room-by-room BTU/hr with sensible and latent splits, and Pro features like exportable branded PDFs for permit submittals, blower door ACH50 inputs, duct losses, Manual S equipment verification, and custom design temperatures so your load report matches design day conditions.
Use our web app on mobile or desktop. Share read-only links with clients or inspectors, compare design options, and keep an audit trail of assumptions for every project. When Manual D ships, carry the same data forward to duct design.
- Fast five-minute workflow
- Room-by-room sensible/latent BTU
- Mobile and desktop access
- Reliable design day methodology
Save ~17% yearly
| Feature | Pro |
|---|---|
| Projects | Unlimited |
| Export PDF | Yes |
| Custom design temps | Yes |
| Manual S checks | Yes |
| Price (monthly) | $26.99 |
| Price (yearly) | $269.99 |
Start sizing HVAC systems the right way
Toggle monthly or yearly billing. Upgrade to unlock branded PDFs, blower door inputs, duct losses, custom design temps, and Manual S equipment verification.