SpecDirectory

MMLD024S6S-1P

Lennox · HP - Mini or Multi Split

ENERGY STAR CertifiedAir-Source Heat Pumps →
SEER2

17.3–22BTU/Wh

HSPF2

8.8–10.2BTU/Wh

Cooling Capacity

23000–24000BTU/hr

Cold Climate

Yes

Cold climate certified
ENERGY STAR Most Efficient

Lennox MMLD024S6S-1P: SEER2 22 BTU/Wh, around the middle of the range for air-source heat pumps (category median 20 BTU/Wh).

Where this model sits

Cooling24000BTU/hr
6000median 2400060000
SEER222BTU/Wh
15.2median 2035.1

The Lennox MMLD024S6S-1P is a 24000 BTU/hr hp - mini or multi split using R-32, a refrigerant with moderate global warming potential (GWP 675). At 22 BTU/Wh it ranks around the middle of the 12,218 certified air-source heat pumps models. Among similar-sized air-source heat pumps (within 10% of its size), it is more efficient than the peer median of 19.2 BTU/Wh. In this size range, comparable Midea models average 18.6 BTU/Wh and TOSOT models average 21 BTU/Wh.

Specifications

Efficiency
SEER2 (best combination)22BTU/Wh
SEER2 (worst combination)17.3BTU/Wh
HSPF2 (best combination)10.2BTU/Wh
HSPF2 (worst combination)8.8BTU/Wh
EER2 (best combination)13BTU/Wh
COP at 5 °F1.80
Capacity
Cooling Capacity (max)24000BTU/hr
Cooling Capacity (min)23000BTU/hr
Heating at 47 °F27000BTU/hr
Heating at 17 °F21600BTU/hr
Heating at 5 °F27000BTU/hr
All 25 specifications
Configuration
Product TypeHP - Mini or Multi Split
Compressor StagingContinuously variable
Cold Climate CertifiedYes
Connected CapabilityNo
SeriesWindFree™ High-Wall - Premium (CAC)
Indoor-Unit Combinations Rated4
Refrigerant
TypeR-32
GWP RatingR-32 (GWP:675 | Lower GWP)
Identifiers
Model NumberMMLD024S6S-1P
ENERGY STAR IDES_1082500_MMLD024S6S-1P_03102026090000_29218214256
PartnerLennox Industries
Date Certified2026-04-27
Available From2026-04-03
MarketsUnited States, Canada

Documentation

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