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Home / Products / Div 23 81 43 — 23 81 43 / Thermal Zone TZID48H520ZCS heat pump (AHRI 218079850)
Thermal ZoneDiv 23 · HVACNo manufacturer photo on file
Div 23 81 43 · 23 81 43

Thermal Zone TZID48H520ZCS heat pump (AHRI 218079850)

Thermal Zone · TZID48H520ZCS [AHRI 218079850]

Thermal Zone TZID48H520ZCS heat pump (AHRI 218079850) 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 4569799, certified 2026-03-09). 1 certified indoor/outdoor combination of outdoor model TZID48H520ZCS share these rated values. EPA publishes these values: SEER2 (Btu/Wh) 16.00; EER2 (Btu/Wh) 10.40; HSPF2 (Btu/Wh) 8.20; Cooling capacity (Btu/h) 44000; Heating capacity at 47 °F (Btu/h) 44000; Heating capacity at 17 °F (Btu/h) 31000; Heating capacity at 5 °F (Btu/h) 38000; COP at 5 °F 1.80; Product type HP - Split System; 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

SeriesTZ Series
RefrigerantR-454B (GWP:470 | Lower GWP)
COP at 5 °F1.80
Cold climateYes
Product typeHP - Split System
EER2 (Btu/Wh)10.40
HSPF2 (Btu/Wh)8.20
SEER2 (Btu/Wh)16.00
Compressor stagingContinuously variable
Connected capabilityNo
Cooling capacity (Btu/h)44000
Meets most efficient criteriaNo
Meets peak cooling requirementsNo
Heating capacity at 5 °F (Btu/h)38000
Heating capacity at 17 °F (Btu/h)31000
Heating capacity at 47 °F (Btu/h)44000
AHRI reference number (lowest in group)218079850
Certified combinations with these ratings1

Certifications & Standards

ENERGY STAR 4569799 Certified heat pump system, 2026-03-09

Sustainability

No sustainability metrics on file for this product.