WEATHERMAKER heat pump
37MUHAQ36AA3+KSAIC0701230
Crossover Heat Pump
Eligibility belongs to the complete outdoor-and-indoor combination—not just this outdoor model. Check the AHRI reference and indoor model in the table before relying on a result.
Check this complete system in Connecticut
AHRI links below are discovery evidence. They do not compare every model suffix or required component. Use the guided check for a full equipment comparison.
Certified combinations
Showing 201–226 of 226. Performance values are combination-specific.
| AHRI reference | Indoor unit / coil | Furnace | SEER2 | HSPF2 | COP at 5°F | Capacity at 5°F | AHRI-linked list records |
|---|---|---|---|---|---|---|---|
| 218815829 | CSAH*4212AM* | None published | 15.2 | 8.1 | 1.75 | 30,600 Btu/h | No stored match |
| 218815830 | CSAH*3612AM* | None published | 15.2 | 8.1 | 1.75 | 30,600 Btu/h | No stored match |
| 218815844 | CSAH*3612AM* | None published | 15.2 | 8.1 | 1.75 | 30,800 Btu/h | No stored match |
| 218815849 | CSAH*3612AM* | None published | 15.2 | 8.1 | 1.75 | 30,800 Btu/h | No stored match |
| 218815854 | CSAH*3612AM* | None published | 15.2 | 8.1 | 1.75 | 30,800 Btu/h | No stored match |
| 218815946 | CAA**3717AM* | None published | 15.2 | 8.1 | 1.75 | 30,800 Btu/h | No stored match |
| 218815960 | CAA**3617AM* | None published | 15.2 | 8.1 | 1.75 | 31,200 Btu/h | No stored match |
| 218815963 | CAA**3617AM* | None published | 15.2 | 8.1 | 1.75 | 31,000 Btu/h | No stored match |
| 218815964 | CAA**3617AM* | None published | 15.2 | 8.1 | 1.75 | 31,200 Btu/h | No stored match |
| 218815965 | CAA**3617AM* | None published | 15.2 | 8.1 | 1.75 | 31,000 Btu/h | No stored match |
| 218815966 | CAA**3617AM* | None published | 15.2 | 8.1 | 1.75 | 31,200 Btu/h | No stored match |
| 218815994 | CAA**4221AM* | None published | 15.2 | 8.5 | 1.78 | 30,800 Btu/h | No stored match |
| 218816001 | CAA**3721AM* | None published | 15.2 | 8.5 | 1.84 | 30,400 Btu/h | No stored match |
| 218816002 | CAA**4221AM* | None published | 15.2 | 8.5 | 1.78 | 30,800 Btu/h | No stored match |
| 218816003 | CAA**4321AM* | None published | 15.2 | 8.5 | 1.84 | 30,400 Btu/h | No stored match |
| 218816013 | CAA**3617AM* | None published | 15.2 | 8.1 | 1.75 | 31,000 Btu/h | No stored match |
| 218816014 | CAA**3717AM* | None published | 15.2 | 8.5 | 1.82 | 30,600 Btu/h | No stored match |
| 218816043 | CSAH*4212AM* | None published | 15.2 | 8.1 | 1.75 | 30,600 Btu/h | No stored match |
| 218816057 | CAA**3721AM* | None published | 15.2 | 8.5 | 1.84 | 30,400 Btu/h | No stored match |
| 218816058 | CAA**4221AM* | None published | 15.2 | 8.5 | 1.78 | 30,800 Btu/h | No stored match |
| 218816059 | CAA**4321AM* | None published | 15.2 | 8.5 | 1.84 | 30,400 Btu/h | No stored match |
| 218816063 | CAA**3617AM* | None published | 15.2 | 8.1 | 1.75 | 31,000 Btu/h | No stored match |
| 218816077 | CSAH*4812AM* | None published | 15.2 | 8.1 | 1.75 | 30,400 Btu/h | No stored match |
| 218816083 | CSAH*4812AM* | None published | 15.2 | 8.1 | 1.75 | 30,400 Btu/h | No stored match |
| 218816103 | CAA**4221AM* | None published | 15.2 | 8.5 | 1.8 | 30,800 Btu/h | No stored match |
| 218816105 | CAA**4821AM* | None published | 15.2 | 8.5 | 1.84 | 30,200 Btu/h | No stored match |
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A product-list match does not establish household, property, contractor, sizing, weatherization or remaining-funding eligibility. Installed Cost never states a rebate dollar amount. Follow the official program link for the current application rules and calculator.
Specifications reflect source records last updated Oct 19, 2026. ENERGY STAR is a registered certification mark; its name is used only to identify the federal source. Installed Cost is not endorsed by ENERGY STAR or AHRI.