Multi MFG / AIR-SOURCE HEAT PUMP

18MSZ-M-A

MSZ Series · EPA record 4439259

Source checked Sep 21, 2026

Performance & equipment details

Values below belong to EPA record 4439259. Temperature points and test metrics are preserved as reported. Missing and zero values are not substituted with estimates.

Metric or attributeSource value
SEER2 · BTU/Wh19.50
EER2 · BTU/Wh11.00
HSPF2 · BTU/Wh8.70
Cooling capacity · BTU/h18000
Heating capacity at 47°F / 8.3°C · BTU/h18800
Heating capacity at 17°F / −8.3°C · BTU/h11400
Heating capacity at 5°F / −15°C · BTU/h11700
COP at 5°F / −15°C2.06
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 unit18MSZ-M-A
+
Indoor unit18MHW0-HP-A

AHRI reference 214797717 · reported by ENERGY STAR; no direct AHRI data connection.

All source records for 18MSZ-M-A

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 id4439259EPA Sep 21, 2026
marketsUnited States, CanadaEPA Sep 21, 2026
cop at 5 f2.06EPA Sep 21, 2026
eer2 btu wh11.00EPA Sep 21, 2026
series nameMSZ SeriesEPA Sep 21, 2026
cold climateNoEPA Sep 21, 2026
hspf2 btu wh8.70EPA Sep 21, 2026
model number18MSZ-M-AEPA Sep 21, 2026
product typeHP - Mini or Multi SplitEPA Sep 21, 2026
seer2 btu wh19.50EPA Sep 21, 2026
date certified2026-06-13T00:00:00.000EPA Sep 21, 2026
manufacturer typeSystem ManufacturerEPA Sep 21, 2026
compressor stagingContinuously variableEPA Sep 21, 2026
energy star partnerDBS Associates Inc.EPA Sep 21, 2026
connected capabilityNoEPA Sep 21, 2026
refrigerant with gwpR-410A (GWP:2088)EPA Sep 21, 2026
ahri reference number214797717EPA Sep 21, 2026
cooling capacity btu h18000EPA Sep 21, 2026
indoor unit brand nameMulti MFGEPA Sep 21, 2026
outdoor unit brand nameMulti MFGEPA Sep 21, 2026
date available on market2025-02-20T00:00:00.000EPA Sep 21, 2026
indoor unit model number18MHW0-HP-AEPA Sep 21, 2026
energy star model identifierES_1152102_18MSZ-M-A_03262025050938_29214797717EPA Sep 21, 2026
heating capacity at 5 f btu h11700EPA Sep 21, 2026
meets most efficient criteriaYesEPA Sep 21, 2026
heating capacity at 17 f btu h11400EPA Sep 21, 2026
heating capacity at 47 f btu h18800EPA Sep 21, 2026
meets peak cooling requirementsYesEPA Sep 21, 2026
controls verification procedure cvp testENERGY STAR CVP TestEPA Sep 21, 2026