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Home / Products / Div 23 81 43 — 23 81 43 / TOSOT TWH18AR32AO heat pump (AHRI 217903177)
TOSOTDiv 23 · HVACNo manufacturer photo on file
Div 23 81 43 · 23 81 43

TOSOT TWH18AR32AO heat pump (AHRI 217903177)

TOSOT · TWH18AR32AO [AHRI 217903177]

TOSOT TWH18AR32AO heat pump (AHRI 217903177) 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 4514293, certified 2026-03-17). 1 certified indoor/outdoor combination of outdoor model TWH18AR32AO share these rated values. EPA publishes these values: SEER2 (Btu/Wh) 27.50; EER2 (Btu/Wh) 14.30; HSPF2 (Btu/Wh) 10.00; Cooling capacity (Btu/h) 18000; Heating capacity at 47 °F (Btu/h) 18600; Heating capacity at 17 °F (Btu/h) 15500; Heating capacity at 5 °F (Btu/h) 18000; COP at 5 °F 1.80; 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 2026-10-03
Specs on this page were checked against ENERGY STAR Certified Heat Pumps (data.energystar.gov/d/83eb-xbyy) on 2026-10-03.

Specifications

SeriesAiry
RefrigerantR-32 (GWP:675 | Lower GWP)
COP at 5 °F1.80
Cold climateYes
Product typeHP - Mini or Multi Split
EER2 (Btu/Wh)14.30
HSPF2 (Btu/Wh)10.00
SEER2 (Btu/Wh)27.50
Compressor stagingContinuously variable
Connected capabilityNo
Cooling capacity (Btu/h)18000
Meets most efficient criteriaYes
Meets peak cooling requirementsNo
Heating capacity at 5 °F (Btu/h)18000
Heating capacity at 17 °F (Btu/h)15500
Heating capacity at 47 °F (Btu/h)18600
AHRI reference number (lowest in group)217903177
Certified combinations with these ratings1

Certifications & Standards

ENERGY STAR 4514293 Certified heat pump system, 2026-03-17

Sustainability

No sustainability metrics on file for this product.