Commercial Warm Air Furnaces Test Procedures
Current understanding
To be populated as evidence accumulates.
Evidence log
- 2026-10-07 — Energy Conservation Program: Test Procedures for Commercial Warm Air Furnaces: DOE final rule withdraws the appendix B efficiency test method for commercial warm air furnaces, leaving manufacturers to certify solely via the existing appendix A thermal-efficiency test. (novelty: 2)
Open questions
Related
Contributing findings
Energy Conservation Program: Test Procedures for Commercial Warm Air Furnaces
07-oct-2026
novelty 2
per-area 2
weakens