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ENERGY STAR AHRI details

Lennox MWMD018S6-1P

ENERGY STAR Certified HP - Mini or Multi Split
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Brand and components

Indoor, outdoor, and system model details

Outdoor unit brandLennox
Outdoor unit modelMWMD018S6-1P
Indoor unit brandLENNOX
Indoor unit modelsMWLD018S6S-1P
Model nameWindFree - Max heat (RAC)
Model numberMWMD018S6-1P

Related product models

Indoor unit model MWLD018S6S-1P Lennox model match
MWLD018S6S-1P product image Lennox MWLD018S6S-1P Indoor unit MWLD018S6S-1P product image Lennox MWLD018S6S-1P Air-source heat pump
Outdoor unit model MWMD018S6-1P Lennox model match
MWMD018S6-1P product image Lennox MWMD018S6-1P Indoor unit MWMD018S6-1P product image Lennox MWMD018S6-1P Air-source heat pump

Performance specs

Capacity and efficiency

Cooling Capacity (BTUH)
18500
Heating Capacity 47F (BTUH)
20000
Heating Capacity 17F (BTUH)
17500
Heating Capacity 5F (BTUH)
14300
Seer2
21.00
HSPF2 Region IV
9.70
EER2 AFull 95F
13.20
COP at 5F
2.05
Refrigerant Type
R-32

Eligibility

Rebates and certifications

ENERGY STAR Certified
Yes
ENERGY STAR Cold Climate Certified
Yes

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Indoor model / pattern
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Cooling · BTU/h
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Cooling capacity (listed) · HSPF2 Region IV

Cooling capacity −2.7%Similar cooling capacity.Higher SEER2: 22.00 vs. 21.00
  • Different refrigerant: R-410A (current: R-32).
  • Lower heating capacity at 47°F: 18,000 BTU/h.
  • Lower heating capacity at 17°F: 15,100 BTU/h.
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Higher SEER2

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Cooling · BTU/h
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SEER2
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Cooling capacity (listed) · HSPF2 Region IV

Cooling capacity −2.7%Similar cooling capacity.Higher SEER2: 21.50 vs. 21.00
  • Different refrigerant: R-454B (current: R-32).
  • Lower heating capacity at 47°F: 18,000 BTU/h.
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Indoor model / pattern
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Cooling · BTU/h
18,000
SEER2
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HSPF2
9.10

Cooling capacity (listed) · HSPF2 Region IV

Cooling capacity −2.7%Similar cooling capacity.Lower HSPF2 (Region IV): 9.10 vs. 9.70
  • Different refrigerant: R-454B (current: R-32).
  • Lower heating capacity at 47°F: 18,800 BTU/h.
  • Lower heating capacity at 17°F: 14,000 BTU/h.
  • Lower heating capacity at 5°F: 11,500 BTU/h.
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Same outdoor unit

Lennox

Mini / multi-split heat pump

MWMD018S6-1P — Lennox AHRI 215810015

AHRI 215810015

Indoor model / pattern
MWPD018S6S-1P
Cooling · BTU/h
18,500
SEER2
21.00
HSPF2
9.70

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySame outdoor unit, different indoor combination.
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Similar cooling capacity

Rheem

Mini / multi-split heat pump

FSHSR18B3D — Rheem AHRI 215792227

AHRI 215792227

Indoor model / pattern
FAHFW18A3D
Cooling · BTU/h
18,000
SEER2
21.00
HSPF2
9.80

Cooling capacity (listed) · HSPF2 Region IV

Cooling capacity −2.7%Similar cooling capacity.
  • Lower heating capacity at 47°F: 18,000 BTU/h.
  • Lower heating capacity at 17°F: 14,800 BTU/h.
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Comparison does not confirm installation compatibility, availability, or current incentive eligibility. Unknown and qualified source values are not treated as zero.

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