Subpart D - COMMERCIAL WARM AIR FURNACES
- Appendix A to Subpart D of Part 431 - Uniform Test Method for Measurement of the Energy Efficiency of Commercial Warm Air Furnaces (Thermal Efficiency)
- Section 431.71 - Purpose and scope
- Section 431.72 - Definitions concerning commercial warm air furnaces
- Appendix B to Subpart D of Part 431 - Uniform Test Method for Measurement of the Energy Efficiency of Commercial Warm Air Furnaces (Thermal Efficiency Two)
- ENERGY CONSERVATION STANDARDS (§ 431.77)
- TEST PROCEDURES (§§ 431.75 — 431.76)