MARATHERM N5A4S36*S*NAA* (PERFORMANCE 13.4 SEER2 AC)
MARATHERM N5A4S36*S*NAA* (PERFORMANCE 13.4 SEER2 AC) appears in the U.S. EPA ENERGY STAR "Certified Light Commercial HVAC" dataset, which lists products whose manufacturers have certified them to the program's specification (record 4526453, certified 2026-09-25). EPA publishes these rated values for the listing: Type Very Small AC; Split system or single package Split; Heating section type All Other; Cold climate NA; Meets peak cooling requirements Yes; EER2 rating (Btu/Wh) 12.5; SEER2 rating (Btu/Wh) 15.2; Indoor unit model number EVM5X44M21A*; Furnace model number *97CTN0802120A*; Refrigerant type R-454B. The listing records ENERGY STAR certification and the rated values the manufacturer reported to EPA. It is not a determination that any building, installation or design complies with a code.
Specifications
| Type | Very Small AC |
| Cold climate | NA |
| Refrigerant type | R-454B |
| EER2 rating (Btu/Wh) | 12.5 |
| Furnace model number | *97CTN0802120A* |
| Heating section type | All Other |
| Refrigerant with GWP | R-454B (GWP:470 | Lower GWP) |
| SEER2 rating (Btu/Wh) | 15.2 |
| Indoor unit model number | EVM5X44M21A* |
| Split system or single package | Split |
| Meets peak cooling requirements | Yes |
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 light commercial HVAC unit, 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 light commercial HVAC unit, 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.