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Mass Save AHRI details

Carrier 37MARAQ12AA3

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 model37MARAQ12AA3
Indoor unit brandCARRIER
Indoor unit models45MBDAQ12XH3
Model name45M Series
Model number37MARAQ12AA3

Related product models

Indoor unit model 45MBDAQ12XH3 Carrier model match
45MBDAQ12XH3 product image Carrier 45MBDAQ12XH3 Indoor unit
Outdoor unit model 37MARAQ12AA3 Carrier model match
37MARAQ12AA3 product image Carrier 37MARAQ12AA3 Air-source heat pump

Performance specs

Capacity and efficiency

Cooling Capacity (BTUH)
12000
Heating Capacity 47F (BTUH)
12000
Heating Capacity 17F (BTUH)
9100
Heating Capacity 5F (BTUH)
8900
Seer2
19.50
HSPF2 Region IV
10.50
EER2 AFull 95F
12.00
COP at 5F
2.44
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

37MARAQ12AA3 — Carrier AHRI 215323823

AHRI 215323823

Indoor model / pattern
45MBCAQ12XA3
Cooling · BTU/h
12,000
SEER2
21.20
HSPF2
10.40

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySame outdoor unit, different indoor combination.Lower HSPF2 (Region IV): 10.40 vs. 10.50
  • Lower heating capacity at 17°F: 8,500 BTU/h.
  • Lower heating capacity at 5°F: 8,400 BTU/h.
View AHRI
Same brand

Carrier

Mini / multi-split heat pump

37MAHAQ12AA3 — Carrier AHRI 215323807

AHRI 215323807

Indoor model / pattern
45MBDAQ12XA3
Cooling · BTU/h
12,000
SEER2
20.00
HSPF2
10.20

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 10.20 vs. 10.50
View AHRI
Higher SEER2

Bosch

Mini / multi-split heat pump

BMS500-AAS012-1CSXRD — Bosch AHRI 215223300

AHRI 215223300

Indoor model / pattern
BMS500-AAU012-1AHCXD
Cooling · BTU/h
12,000
SEER2
21.10
HSPF2
10.40

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 10.40 vs. 10.50
  • Lower heating capacity at 17°F: 8,500 BTU/h.
  • Lower heating capacity at 5°F: 8,400 BTU/h.
View AHRI
Higher SEER2

Bosch

Mini / multi-split heat pump

BMS500-AAS012-1CSXRC — Bosch AHRI 207760045

AHRI 207760045

Indoor model / pattern
BMS500-AAU012-1AHCXB
Cooling · BTU/h
12,000
SEER2
22.70
HSPF2
10.00

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 10.00 vs. 10.50
  • Different refrigerant: R-410A (current: R-454B).
  • Lower heating capacity at 5°F: 8,000 BTU/h.
View AHRI
Higher SEER2

Fujitsu

Mini / multi-split heat pump

AOUH12LMAS1 — Fujitsu AHRI 207615689

AHRI 207615689

Indoor model / pattern
ASUH12LMAS
Cooling · BTU/h
12,000
SEER2
23.00
HSPF2
11.10

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Higher SEER2: 23.00 vs. 19.50
  • Different refrigerant: R-410A (current: R-454B).
View AHRI
Higher SEER2

Fujitsu

Mini / multi-split heat pump

AOUH12LMBH1 — Fujitsu AHRI 210191037

AHRI 210191037

Indoor model / pattern
ASUH12LMAS
Cooling · BTU/h
12,000
SEER2
23.00
HSPF2
11.00

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Higher SEER2: 23.00 vs. 19.50
  • Different refrigerant: R-410A (current: R-454B).
  • Lower heating capacity at 17°F: 8,500 BTU/h.
View AHRI

Side by side

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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

Showing services from our catalog

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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