Lennox / AIR-SOURCE HEAT PUMP

MLB009S4S-1P

M series · EPA record 2470620

Source checked Sep 21, 2026

Performance & equipment details

Values below belong to EPA record 2470620. Temperature points and test metrics are preserved as reported. Missing and zero values are not substituted with estimates.

Metric or attributeSource value
SEER2 · BTU/Wh28.10
EER2 · BTU/Wh16.20
HSPF2 · BTU/Wh11.50
Cooling capacity · BTU/h9000
Heating capacity at 47°F / 8.3°C · BTU/h12000
Heating capacity at 17°F / −8.3°C · BTU/h9500
Heating capacity at 5°F / −15°C · BTU/h10600
COP at 5°F / −15°C2.00
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 unitMLB009S4S-1P
+
Indoor unitMWMC009S4*

AHRI reference 210665627 · reported by ENERGY STAR; no direct AHRI data connection.

All source records for MLB009S4S-1P

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 id2470620EPA Sep 21, 2026
marketsUnited States, CanadaEPA Sep 21, 2026
cop at 5 f2.00EPA Sep 21, 2026
eer2 btu wh16.20EPA Sep 21, 2026
series nameM seriesEPA Sep 21, 2026
cold climateYesEPA Sep 21, 2026
hspf2 btu wh11.50EPA Sep 21, 2026
model numberMLB009S4S-1PEPA Sep 21, 2026
product typeHP - Mini or Multi SplitEPA Sep 21, 2026
seer2 btu wh28.10EPA 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 partnerLennox IndustriesEPA Sep 21, 2026
connected capabilityNoEPA Sep 21, 2026
refrigerant with gwpR-410A (GWP:2088)EPA Sep 21, 2026
ahri reference number210665627EPA Sep 21, 2026
cooling capacity btu h9000EPA Sep 21, 2026
indoor unit brand nameLENNOXEPA Sep 21, 2026
outdoor unit brand nameLennoxEPA Sep 21, 2026
date available on market2019-12-18T00:00:00.000EPA Sep 21, 2026
indoor unit model numberMWMC009S4*EPA Sep 21, 2026
energy star model identifierES_1082495_MLB009S4S-1P_04012023055512_4617866EPA Sep 21, 2026
heating capacity at 5 f btu h10600EPA Sep 21, 2026
meets most efficient criteriaYesEPA Sep 21, 2026
heating capacity at 17 f btu h9500EPA Sep 21, 2026
heating capacity at 47 f btu h12000EPA Sep 21, 2026
meets peak cooling requirementsYesEPA Sep 21, 2026
controls verification procedure cvp testENERGY STAR CVP TestEPA Sep 21, 2026