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Home / Products / Div 23 81 43 — 23 81 43 / MAINLINE ML12HP230NEXH-O heat pump (AHRI 217607291)
MAINLINEDiv 23 · HVACNo manufacturer photo on file
Div 23 81 43 · 23 81 43

MAINLINE ML12HP230NEXH-O heat pump (AHRI 217607291)

MAINLINE · ML12HP230NEXH-O [AHRI 217607291]

MAINLINE ML12HP230NEXH-O heat pump (AHRI 217607291) 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 4480005, certified 2025-07-24). 1 certified indoor/outdoor combination of outdoor model ML12HP230NEXH-O share these rated values. EPA publishes these values: SEER2 (Btu/Wh) 20.00; EER2 (Btu/Wh) 12.00; HSPF2 (Btu/Wh) 10.60; Cooling capacity (Btu/h) 12000; Heating capacity at 47 °F (Btu/h) 12000; Heating capacity at 17 °F (Btu/h) 10200; Heating capacity at 5 °F (Btu/h) 12000; COP at 5 °F 1.95; 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

SeriesML Series
RefrigerantR-454B (GWP:470 | Lower GWP)
COP at 5 °F1.95
Cold climateYes
Product typeHP - Mini or Multi Split
EER2 (Btu/Wh)12.00
HSPF2 (Btu/Wh)10.60
SEER2 (Btu/Wh)20.00
Compressor stagingContinuously variable
Connected capabilityNo
Cooling capacity (Btu/h)12000
Meets most efficient criteriaYes
Meets peak cooling requirementsYes
Heating capacity at 5 °F (Btu/h)12000
Heating capacity at 17 °F (Btu/h)10200
Heating capacity at 47 °F (Btu/h)12000
AHRI reference number (lowest in group)217607291
Certified combinations with these ratings1

Certifications & Standards

ENERGY STAR 4480005 Certified heat pump system, 2025-07-24

Sustainability

No sustainability metrics on file for this product.