A heat load calculation ensures the heat pump is sized appropriately for the home’s heating load.
Required for:
- Home Renovation Rebate Program: a copy of the load calculation is required for dual fuel rebates
- Energy Savings Program: a CSA-F280-12 heat load calculation may be requested to confirm the heat pump system is adequately sized
Recommended for: all heat pump installations
Contractors or Energy Advisors can perform the heat load calculation using:
- Methodology from TECA’s Quality First Forced Air Guidelines (5th edition 2008) HRAI Residential Heat Loss & Heat Gain technical manual in combination with the Microsoft Excel-based spreadsheets supplied with the CAN/CSA F280-12 standard
- Software that uses the CAN/CSA F280-12 calculation methodology. Recommended options include:
- TECA’s Quality First software
- Right-F280
- EnerGuide HOT2000 Full House Report – Pre-Upgrade EnerGuide Evaluation (must be submitted to Natural Resources Canada)
- Software or a worksheet that uses:
- CAN/CSA F280-90 calculation methodology
- Methodology from Air Conditioning Contractors of America (ACCA) Manual J
Eligible documentation for your rebate application:
- Submittal sheet from compliant software
- Load calculation worksheet from TECA, HRAI, ACCA or the CSA F280 standard
If you’re unsure if your current heat load calculation methodology meets these criteria, please contact betterhomesbc@gov.bc.ca.