# Energy Conservation Program: Test Procedures for Commercial Warm Air Furnaces

**Action Urgency Score:** 45/100

| Field | Value |
|---|---|
| Agency | Energy Department |
| Type | Final rule |
| Action | Final rule. |
| Published | 2026-10-07 |
| Effective | 2026-12-07 |
| Significant | No |
| CFR parts | 10 CFR 431 |
| Summary | The Department of Energy ("DOE" or "the Department") is withdrawing the test procedure for commercial warm air furnaces adopted under the Energy Policy and Conservation Act, specifically appendix B, "Uniform Test Method for Measurement of the Energy Efficiency of Commercial Warm Air Furnaces (Thermal Efficiency Two)." Upon reconsideration, DOE has determined that appendix B would have an uncertain increase in representativeness that does not outweigh the likely increase in burden. DOE has also determined that withdrawing the appendix B test procedure would be consistent with the proposed Proce |
| Document number | 2026-20517 |

## Why this score
- Upcoming deadline.
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/10/07/2026-20517/energy-conservation-program-test-procedures-for-commercial-warm-air-furnaces). Last refreshed: 2026-11-04T09:17:43.641Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.