DuraSTAR / AIR-SOURCE HEAT PUMP

DRA1H18S1A

DRA Series · EPA record 4479496

Source checked Sep 21, 2026

Performance & equipment details

Values below belong to EPA record 4479496. Temperature points and test metrics are preserved as reported. Missing and zero values are not substituted with estimates.

Metric or attributeSource value
SEER2 · BTU/Wh17.60
EER2 · BTU/Wh11.70
HSPF2 · BTU/Wh9.60
Cooling capacity · BTU/h18000
Heating capacity at 47°F / 8.3°C · BTU/h19000
Heating capacity at 17°F / −8.3°C · BTU/h15400
Heating capacity at 5°F / −15°C · BTU/h17000
COP at 5°F / −15°C2.00
Equipment / loop typeHP - Split System
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 unitDRA1H18S1A
+
Indoor unitDRAM18F1A

AHRI reference 213350738 · reported by ENERGY STAR; no direct AHRI data connection.

All source records for DRA1H18S1A

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 id4479496EPA Sep 21, 2026
marketsUnited States, CanadaEPA Sep 21, 2026
cop at 5 f2.00EPA Sep 21, 2026
eer2 btu wh11.70EPA Sep 21, 2026
series nameDRA SeriesEPA Sep 21, 2026
cold climateYesEPA Sep 21, 2026
hspf2 btu wh9.60EPA Sep 21, 2026
model numberDRA1H18S1AEPA Sep 21, 2026
product typeHP - Split SystemEPA Sep 21, 2026
seer2 btu wh17.60EPA Sep 21, 2026
date certified2026-04-22T00:00:00.000EPA Sep 21, 2026
manufacturer typeSystem ManufacturerEPA Sep 21, 2026
compressor stagingContinuously variableEPA Sep 21, 2026
energy star partnerFerguson EnterprisesEPA Sep 21, 2026
connected capabilityNoEPA Sep 21, 2026
refrigerant with gwpR-410A (GWP:2088)EPA Sep 21, 2026
ahri reference number213350738EPA Sep 21, 2026
cooling capacity btu h18000EPA Sep 21, 2026
outdoor unit brand nameDuraSTAREPA Sep 21, 2026
date available on market2020-12-08T00:00:00.000EPA Sep 21, 2026
indoor unit model numberDRAM18F1AEPA Sep 21, 2026
energy star model identifierES_1092191_DRA1H18S1A_07132025213005_28213350738EPA Sep 21, 2026
heating capacity at 5 f btu h17000EPA Sep 21, 2026
meets most efficient criteriaYesEPA Sep 21, 2026
heating capacity at 17 f btu h15400EPA 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