SpecDirectory

SDH036U5E**G

Lennox · Light Commercial Unit

ENERGY STAR CertifiedLight Commercial HVAC →
SEER2

17BTU/Wh

EER2

12.1BTU/Wh

Class

Very Small HP

System

Packaged

High SEER2

Lennox SDH036U5E**G: SEER2 17 BTU/Wh, better than 85% of light commercial hvac (category median 15.5 BTU/Wh).

Where this model sits

SEER217BTU/Wh
15.2median 15.521.2

Better than 85% of light commercial hvac.

EER212.1BTU/Wh
11.2median 12.214.3

The Lennox SDH036U5E**G is a 17 BTU/Wh light commercial unit using R-454B, a refrigerant with moderate global warming potential (GWP 470). At 17 BTU/Wh it ranks better than 85% of the 450 certified light commercial hvac models.

Specifications

Efficiency
SEER2 (best combination)17BTU/Wh
SEER2 (worst combination)17BTU/Wh
EER2 (best combination)12.1BTU/Wh
EER2 (worst combination)12.1BTU/Wh
Capacity & Configuration
Equipment ClassVery Small HP
System TypePackaged
Heating SectionAll Other
Cold Climate CertifiedNo
Combinations Rated1
All 17 specifications
Refrigerant
TypeR-454B
GWP RatingR-454B (GWP:470 | Lower GWP)
Identifiers
Model NumberSDH036U5E**G
ENERGY STAR IDES_1082495_SDH036U5E**G_03102026140007_21218218281
PartnerLennox Industries
Date Qualified2026-04-20
Available From2026-03-10
MarketsUnited States, Canada

Documentation

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