ComfortStar / AIR-SOURCE HEAT PUMP

CZP18CD(O)

T1W Series · EPA record 3436397

Source checked Sep 21, 2026

Performance & equipment details

Values below belong to EPA record 3436397. Temperature points and test metrics are preserved as reported. Missing and zero values are not substituted with estimates.

Metric or attributeSource value
SEER2 · BTU/Wh21.80
EER2 · BTU/Wh12.50
HSPF2 · BTU/Wh10.70
Cooling capacity · BTU/h18000
Heating capacity at 47°F / 8.3°C · BTU/h19000
Heating capacity at 17°F / −8.3°C · BTU/h12200
Heating capacity at 5°F / −15°C · BTU/h13100
COP at 5°F / −15°C2.30
Equipment / loop typeHP - Mini or Multi Split
Refrigerant / source-reported GWPR-410A (GWP:2088)
Compressor stagingContinuously variable
Connected capabilityNo

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This listed system

These ratings apply to the listed configuration. Changing a component may change performance.

Outdoor unitCZP18CD(O)
+
Indoor unitT1W18P

AHRI reference 214594915 · reported by ENERGY STAR; no direct AHRI data connection.

All source records for CZP18CD(O)

Specifications & provenance

Every value below is preserved from the source record. Checked Sep 21, 2026. Asterisks and other model wildcards are retained as published.

Source fieldReported valueEvidence
pd id3436397EPA Sep 21, 2026
marketsUnited States, CanadaEPA Sep 21, 2026
cop at 5 f2.30EPA Sep 21, 2026
eer2 btu wh12.50EPA Sep 21, 2026
series nameT1W SeriesEPA Sep 21, 2026
cold climateNoEPA Sep 21, 2026
hspf2 btu wh10.70EPA Sep 21, 2026
model numberCZP18CD(O)EPA Sep 21, 2026
product typeHP - Mini or Multi SplitEPA Sep 21, 2026
seer2 btu wh21.80EPA Sep 21, 2026
date certified2026-04-17T00:00:00.000EPA Sep 21, 2026
manufacturer typeSystem ManufacturerEPA Sep 21, 2026
compressor stagingContinuously variableEPA Sep 21, 2026
energy star partnerEair LLCEPA Sep 21, 2026
connected capabilityNoEPA Sep 21, 2026
refrigerant with gwpR-410A (GWP:2088)EPA Sep 21, 2026
ahri reference number214594915EPA Sep 21, 2026
cooling capacity btu h18000EPA Sep 21, 2026
indoor unit brand nameCOMFORTSTAREPA Sep 21, 2026
outdoor unit brand nameComfortStarEPA Sep 21, 2026
date available on market2024-04-08T00:00:00.000EPA Sep 21, 2026
indoor unit model numberT1W18PEPA Sep 21, 2026
energy star model identifierES_1041510_CZP18CD(O)_04082024053602_8042919EPA Sep 21, 2026
heating capacity at 5 f btu h13100EPA Sep 21, 2026
meets most efficient criteriaYesEPA Sep 21, 2026
heating capacity at 17 f btu h12200EPA Sep 21, 2026
heating capacity at 47 f btu h19000EPA Sep 21, 2026
meets peak cooling requirementsYesEPA Sep 21, 2026
controls verification procedure cvp testENERGY STAR CVP TestEPA Sep 21, 2026