LoadCalcStack is published by an independent editorial team. Profiles are built from public vendor documentation, the ACCA approved software list, and labeled editorial analysis. We do not run an HVAC company.
- Methodology — how claims are labeled
- Affiliate disclosure — how we handle vendor links and ads
- ACCA approved software — authority for approval status
- Contribute — contractor notes
Manual J® and related manuals are trademarks of ACCA. LoadCalcStack is not affiliated with ACCA. Do not invent a named individual author, phone number, or street address for this site. Contractor notes: loadcalcstack@agentmail.to.