B
HomeLibrariesCode AISearchProjectsBookmarksAddress
FeedbackHelp Desk
Libraries
Estimate & calculate
CalculatorsChecklists
PricingLog in
Home / Products / Div 23 81 43 — 23 81 43 / WEATHERMAKER 37MTRAQ18CA3 heat pump (AHRI 216765595)
WEATHERMAKERDiv 23 · HVACNo manufacturer photo on file
Div 23 81 43 · 23 81 43

WEATHERMAKER 37MTRAQ18CA3 heat pump (AHRI 216765595)

WEATHERMAKER · 37MTRAQ18CA3 [AHRI 216765595]

WEATHERMAKER 37MTRAQ18CA3 heat pump (AHRI 216765595) 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 3943053, certified 2025-03-04). 1 certified indoor/outdoor combination of outdoor model 37MTRAQ18CA3 share these rated values. EPA publishes these values: SEER2 (Btu/Wh) 18.50; EER2 (Btu/Wh) 11.70; HSPF2 (Btu/Wh) 9.20; Cooling capacity (Btu/h) 18000; Heating capacity at 47 °F (Btu/h) 18000; Heating capacity at 17 °F (Btu/h) 15000; Heating capacity at 5 °F (Btu/h) 15000; COP at 5 °F 2.00; 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.

✓ 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

Series37M Series
RefrigerantR-454B (GWP:470 | Lower GWP)
COP at 5 °F2.00
Cold climateYes
Product typeHP - Mini or Multi Split
EER2 (Btu/Wh)11.70
HSPF2 (Btu/Wh)9.20
SEER2 (Btu/Wh)18.50
Compressor stagingContinuously variable
Connected capabilityNo
Cooling capacity (Btu/h)18000
Meets most efficient criteriaYes
Meets peak cooling requirementsYes
Heating capacity at 5 °F (Btu/h)15000
Heating capacity at 17 °F (Btu/h)15000
Heating capacity at 47 °F (Btu/h)18000
AHRI reference number (lowest in group)216765595
Certified combinations with these ratings1

Certifications & Standards

ENERGY STAR 3943053 Certified heat pump system, 2025-03-04

Sustainability

No sustainability metrics on file for this product.