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Mass Save AHRI details

Carrier 37MARAQ18AA3

ENERGY STAR Certified · Mass Save Eligible HP - Mini or Multi Split
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Brand and components

Indoor, outdoor, and system model details

Outdoor unit brandCarrier
Outdoor unit model37MARAQ18AA3
Indoor unit brandCARRIER
Indoor unit models45MAHAQ18XA3
Model name45M Series
Model number37MARAQ18AA3

Related product models

Indoor unit model 45MAHAQ18XA3 Carrier model match
45MAHAQ18XA3 product image Carrier 45MAHAQ18XA3 Indoor unit
Outdoor unit model 37MARAQ18AA3 Carrier model match
37MARAQ18AA3 product image Carrier 37MARAQ18AA3 Air-source heat pump

Performance specs

Capacity and efficiency

Cooling Capacity (BTUH)
18000
Heating Capacity 47F (BTUH)
18000
Heating Capacity 17F (BTUH)
15000
Heating Capacity 5F (BTUH)
12800
Seer2
23.50
HSPF2 Region IV
10.80
EER2 AFull 95F
12.80
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.

Same outdoor unit

Carrier

Mini / multi-split heat pump

37MARAQ18AA3 — Carrier AHRI 218139558

AHRI 218139558

Indoor model / pattern
D5MAHAQ18XA3
Cooling · BTU/h
18,000
SEER2
23.50
HSPF2
10.80

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySame outdoor unit, different indoor combination.
View AHRI
Same brand

Carrier

Mini / multi-split heat pump

37MHRAQ18AA3 — Carrier AHRI 215413175

AHRI 215413175

Indoor model / pattern
45MHHAQ18XC3
Cooling · BTU/h
18,000
SEER2
20.30
HSPF2
9.10

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 9.10 vs. 10.80
  • Lower heating capacity at 17°F: 14,000 BTU/h.
  • Lower heating capacity at 5°F: 11,500 BTU/h.
View AHRI
Same cooling capacity

Bosch

Mini / multi-split heat pump

BMS500-AAS018-1CSXRC — Bosch AHRI 207759991

AHRI 207759991

Indoor model / pattern
BMS500-AAU018-1AHWXC
Cooling · BTU/h
18,000
SEER2
23.50
HSPF2
10.80

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.
  • Different refrigerant: R-410A (current: R-454B).
  • Lower heating capacity at 5°F: 11,300 BTU/h.
View AHRI
Same cooling capacity

Fujitsu

Mini / multi-split heat pump

AOUH18LUAS1 — Fujitsu AHRI 211078844

AHRI 211078844

Indoor model / pattern
AUUH18LUAS
Cooling · BTU/h
18,000
SEER2
23.50
HSPF2
11.20

Cooling capacity (listed) · HSPF2 Region IV

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

Fujitsu

Mini / multi-split heat pump

AOUH18KUAS1 — Fujitsu AHRI 215434548

AHRI 215434548

Indoor model / pattern
ABUH18KUAS
Cooling · BTU/h
18,000
SEER2
23.40
HSPF2
11.20

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower SEER2: 23.40 vs. 23.50
  • Different refrigerant: R-32 (current: R-454B).
View AHRI

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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.

Our Services

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AHRI Certificate Matching Support service
ResidentialCommercialSupport

AHRI Certificate Matching Support

Match supported indoor and outdoor equipment combinations to AHRI certification records for planning and documentation.

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Heat Pump Sizing and Selection service
ResidentialCommercialConsultation

Heat Pump Sizing and Selection

Plan supported heat-pump equipment and capacity using building conditions, climate, distribution, and backup-heat needs.

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HVAC Load Calculation and Equipment Sizing service
ResidentialCommercialConsultation

HVAC Load Calculation and Equipment Sizing

Evaluate building loads and system requirements to support correctly sized HVAC replacement or conversion planning.

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Mass Save Equipment Eligibility Verification service
ResidentialSupport

Mass Save Equipment Eligibility Verification

Review equipment, AHRI data, and current program requirements before a rebate application or proposal is finalized.

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Mass Save Rebate and AHRI Support service
ResidentialCommercialSupport

Mass Save Rebate and AHRI Support

Verify matched equipment details and prepare source information for rebate planning.

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Electrical Load Calculation for HVAC Upgrades service
ResidentialCommercialConsultation

Electrical Load Calculation for HVAC Upgrades

Review available electrical capacity and upgrade requirements for planned heat-pump, AC, or HVAC equipment.

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