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Home / Products / Div 23 81 43 — 23 81 43 / MARATHERM R5H5S18*K*AAA* heat pump (AHRI 214125265)
MARATHERMDiv 23 · HVACNo manufacturer photo on file
Div 23 81 43 · 23 81 43

MARATHERM R5H5S18*K*AAA* heat pump (AHRI 214125265)

MARATHERM · R5H5S18*K*AAA* [AHRI 214125265]

MARATHERM R5H5S18*K*AAA* heat pump (AHRI 214125265) 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 3399674, certified 2026-06-09). 3 certified indoor/outdoor combinations of outdoor model R5H5S18*K*AAA* share these rated values. EPA publishes these values: SEER2 (Btu/Wh) 15.20; EER2 (Btu/Wh) 12.00; HSPF2 (Btu/Wh) 7.80; Cooling capacity (Btu/h) 18100; Heating capacity at 47 °F (Btu/h) 17700; Heating capacity at 17 °F (Btu/h) 10800; Heating capacity at 5 °F (Btu/h) 8400; COP at 5 °F 1.88; 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.

✓ Verified 2026-10-04
Specs on this page were checked against ENERGY STAR Certified Heat Pumps (data.energystar.gov/d/83eb-xbyy) on 2026-10-04.

Specifications

Series15 SEER2 HP
RefrigerantR-454B (GWP:470 | Lower GWP)
COP at 5 °F1.88
Cold climateNo
Product typeHP - Split System
EER2 (Btu/Wh)12.00
HSPF2 (Btu/Wh)7.80
SEER2 (Btu/Wh)15.20
Compressor stagingSingle stage
Connected capabilityNo
Cooling capacity (Btu/h)18100
Meets most efficient criteriaNo
Meets peak cooling requirementsYes
Heating capacity at 5 °F (Btu/h)8400
Heating capacity at 17 °F (Btu/h)10800
Heating capacity at 47 °F (Btu/h)17700
AHRI reference number (lowest in group)214125265
Certified combinations with these ratings3

Certifications & Standards

ENERGY STAR 3399674 Certified heat pump system, 2026-06-09

Sustainability

No sustainability metrics on file for this product.