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Home / Products / Div 23 81 43 — 23 81 43 / TOSOT TW18HQ3D6DO heat pump (AHRI 10062020)
TOSOTDiv 23 · HVACNo manufacturer photo on file
Div 23 81 43 · 23 81 43

TOSOT TW18HQ3D6DO heat pump (AHRI 10062020)

TOSOT · TW18HQ3D6DO [AHRI 10062020]

TOSOT TW18HQ3D6DO heat pump (AHRI 10062020) 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 2409887, certified 2026-06-13). 1 certified indoor/outdoor combination of outdoor model TW18HQ3D6DO share these rated values. EPA publishes these values: SEER2 (Btu/Wh) 22.00; EER2 (Btu/Wh) 13.50; HSPF2 (Btu/Wh) 10.00; Cooling capacity (Btu/h) 18000; Heating capacity at 47 °F (Btu/h) 18000; Heating capacity at 17 °F (Btu/h) 15100; Heating capacity at 5 °F (Btu/h) 20000; 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

SeriesLomo
RefrigerantR-410A (GWP:2088)
COP at 5 °F1.80
Cold climateYes
Product typeHP - Mini or Multi Split
EER2 (Btu/Wh)13.50
HSPF2 (Btu/Wh)10.00
SEER2 (Btu/Wh)22.00
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)20000
Heating capacity at 17 °F (Btu/h)15100
Heating capacity at 47 °F (Btu/h)18000
AHRI reference number (lowest in group)10062020
Certified combinations with these ratings1

Certifications & Standards

ENERGY STAR 2409887 Certified heat pump system, 2026-06-13

Sustainability

No sustainability metrics on file for this product.