Mass Save AHRI details

Lennox EL21KLV-036-230A**

ENERGY STAR Certified · Mass Save Eligible HP - Split System

Mass Save rebate eligible

Mass Save® rebates for this qualified system

Green Flow Solution can help confirm the equipment match, project eligibility, utility requirements, and rebate paperwork before installation or replacement.

Claim your rebates today
Mass Save Heat Pump Leader logo

Brand and components

Indoor, outdoor, and system model details

Outdoor unit brandLennox
Outdoor unit modelEL21KLV-036-230A**
Indoor unit modelsCK40[C,U]T-36C-**+TDR
Furnace modelML180UH110V60C*
Model nameElite EL21KLV SERIES
Model numberEL21KLV-036-230A**

Performance specs

Capacity and efficiency

Cooling Capacity (BTUH)
34400
Heating Capacity 47F (BTUH)
30800
Heating Capacity 17F (BTUH)
28000
Heating Capacity 5F (BTUH)
21800
Seer2
18.50
HSPF2 Region IV
8.50
EER2 AFull 95F
11.70
COP at 5F
2.10
Refrigerant Type
R-454B

Eligibility

Rebates and certifications

Mass Save QPL
Yes
ENERGY STAR Certified
Yes
ENERGY STAR Cold Climate Certified
Yes

Explore your options

Similar systems to compare

Scroll horizontally or use the arrow keys to explore.

Higher SEER2

Trane

Split-system heat pump

4TWV0X36A1 — Trane AHRI 210691813

AHRI 210691813

Indoor model / pattern
4PX*BU36BS3
Furnace model / pattern
S8V2B060M4PCA
Cooling · BTU/h
34,400
SEER2
19.50
HSPF2
8.50

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Higher SEER2: 19.50 vs. 18.50
  • Different refrigerant: R-410A (current: R-454B).
View AHRI
Same cooling capacity

Trane

Split-system heat pump

4TWV8X36A1 — Trane AHRI 211289052

AHRI 211289052

Indoor model / pattern
4PX*CD36BS3+HORIZ-RT
Furnace model / pattern
*UD2C100ACV5
Cooling · BTU/h
34,400
SEER2
18.00
HSPF2
7.80

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 7.80 vs. 8.50
  • Different refrigerant: R-410A (current: R-454B).
  • Lower heating capacity at 5°F: 20,600 BTU/h.
View AHRI
Same cooling capacity

Carrier

Split-system heat pump

27VNA036A*030* — Carrier AHRI 215669312

AHRI 215669312

Indoor model / pattern
CAA**6024AM*+UI
Furnace model / pattern
58TN*B090C21**20
Cooling · BTU/h
34,400
SEER2
18.50
HSPF2
9.00

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.
View AHRI
Higher SEER2

Carrier

Split-system heat pump

27VNA336A*030* — Carrier AHRI 215932754

AHRI 215932754

Indoor model / pattern
CAA**6121AM*+UI
Furnace model / pattern
59CU5B080C21**20
Cooling · BTU/h
34,400
SEER2
20.00
HSPF2
9.00

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Higher SEER2: 20.00 vs. 18.50
View AHRI
Same outdoor unit

Lennox

Split-system heat pump

EL21KLV-036-230A** — Lennox AHRI 218073753

AHRI 218073753

Indoor model / pattern
CK40[C,U]T-36C-**+TDR
Furnace model / pattern
ML180UH090E60C*
Cooling · BTU/h
34,400
SEER2
16.00
HSPF2
8.50

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySame outdoor unit, different indoor combination.Lower SEER2: 16.00 vs. 18.50
View AHRI
Same brand

Lennox

Split-system heat pump

SL22KLV-036-230A** — Lennox AHRI 217895170

AHRI 217895170

Indoor model / pattern
CK40[C,U]T-49C-**+TDR
Furnace model / pattern
SL280UH090V36B*
Cooling · BTU/h
34,400
SEER2
18.00
HSPF2
8.10

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 8.10 vs. 8.50
View AHRI

Side by side

See the differences

Your current system and up to two alternatives. Scroll the table to see every system.

Comparison does not confirm installation compatibility, availability, or current incentive eligibility. Unknown and qualified source values are not treated as zero.

Our Services

Showing services from our catalog

Brands We Service

Popular cities

Service Areas