Rheem RO2HFZ18AJ1H heat pump (AHRI 211044459)
Rheem RO2HFZ18AJ1H heat pump (AHRI 211044459) 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 2740305, certified 2026-04-17). 2 certified indoor/outdoor combinations of outdoor model RO2HFZ18AJ1H share these rated values. EPA publishes these values: SEER2 (Btu/Wh) 21.50; EER2 (Btu/Wh) 13.50; HSPF2 (Btu/Wh) 9.60; Cooling capacity (Btu/h) 18000; Heating capacity at 47 °F (Btu/h) 18000; Heating capacity at 17 °F (Btu/h) 14200; Heating capacity at 5 °F (Btu/h) 22000; COP at 5 °F 1.84; Product type HP - Mini or Multi Split; Cold climate Yes. 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 | Classic Plus |
| Refrigerant | R-410A (GWP:2088) |
| COP at 5 °F | 1.84 |
| Cold climate | Yes |
| Product type | HP - Mini or Multi Split |
| EER2 (Btu/Wh) | 13.50 |
| HSPF2 (Btu/Wh) | 9.60 |
| SEER2 (Btu/Wh) | 21.50 |
| Compressor staging | Continuously variable |
| Connected capability | No |
| Cooling capacity (Btu/h) | 18000 |
| Meets most efficient criteria | Yes |
| Meets peak cooling requirements | Yes |
| Heating capacity at 5 °F (Btu/h) | 22000 |
| Heating capacity at 17 °F (Btu/h) | 14200 |
| Heating capacity at 47 °F (Btu/h) | 18000 |
| AHRI reference number (lowest in group) | 211044459 |
| Certified combinations with these ratings | 2 |
Certifications & Standards
Sustainability
Code sections
Sections of the model codes that address this type of product. A link opens the code library at the chapter that holds the section. It points to the code; it does not say this model meets it.
- IECC 2021 R403.7Equipment sizing and efficiency rating
IECC 2021 R403.7 governs sizing and the minimum efficiency rating of residential heating and cooling equipment. This is the section for this product type, not a check of this model against it.
What this link does and does not claim
Asserted: this is an ENERGY STAR certified heat pump system, and R403.7 is the energy code section that addresses sizing and the minimum efficiency rating of residential heating and cooling equipment. Not asserted: that this model meets any table value in R403.7, or that any building using it complies.
- IECC 2021 C403.3.2HVAC equipment performance requirements
IECC 2021 C403.3.2 governs the minimum efficiency of commercial HVAC equipment (Tables C403.3.2(1) through C403.3.2(16)). This is the section for this product type, not a check of this model against it.
What this link does and does not claim
Asserted: this is an ENERGY STAR certified heat pump system, and C403.3.2 is the energy code section that addresses the minimum efficiency of commercial HVAC equipment (Tables C403.3.2(1) through C403.3.2(16)). Not asserted: that this model meets any table value in C403.3.2, or that any building using it complies.