WEATHERMAKER PH8TAN536**AB* heat pump (AHRI 218754970)
WEATHERMAKER PH8TAN536**AB* heat pump (AHRI 218754970) appears in the U.S. EPA ENERGY STAR "Certified Heat Pumps" dataset, which lists outdoor and indoor unit combinations certified to the program specification (record 4705928, certified 2026-09-22). 1 certified indoor/outdoor combination of outdoor model PH8TAN536**AB* share these rated values. EPA publishes these values: SEER2 (Btu/Wh) 16.00; EER2 (Btu/Wh) 12.50; HSPF2 (Btu/Wh) 8.00; Cooling capacity (Btu/h) 37200; Heating capacity at 47 °F (Btu/h) 38500; Heating capacity at 17 °F (Btu/h) 23200; Heating capacity at 5 °F (Btu/h) 17600; COP at 5 °F 1.85; Product type HP - Split System; Cold climate No. The listing records ENERGY STAR certification and the rated values reported to EPA. It is not a determination that any building, installation or design complies with a code.
Specifications
| Series | 2-STAGE 18 SEER HP |
| Refrigerant | R-454B (GWP:470 | Lower GWP) |
| COP at 5 °F | 1.85 |
| Cold climate | No |
| Product type | HP - Split System |
| EER2 (Btu/Wh) | 12.50 |
| HSPF2 (Btu/Wh) | 8.00 |
| SEER2 (Btu/Wh) | 16.00 |
| Compressor staging | Two-stage |
| Connected capability | No |
| Cooling capacity (Btu/h) | 37200 |
| Meets most efficient criteria | No |
| Meets peak cooling requirements | Yes |
| Heating capacity at 5 °F (Btu/h) | 17600 |
| Heating capacity at 17 °F (Btu/h) | 23200 |
| Heating capacity at 47 °F (Btu/h) | 38500 |
| AHRI reference number (lowest in group) | 218754970 |
| Certified combinations with these ratings | 1 |