Green Flow Solution logo
Schedule Service

Mass Save AHRI details

Carrier 37MAHAQ18AA3

ENERGY STAR Certified · Mass Save Eligible HP - Mini or Multi Split
Virtual Consultation

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 brandCarrier
Outdoor unit model37MAHAQ18AA3
Indoor unit brandCARRIER
Indoor unit modelsD5MAHAQ18XA3
Model name37M Series
Model number37MAHAQ18AA3

Related product models

Indoor unit model D5MAHAQ18XA3 Carrier model match
D5MAHAQ18XA3 product image Carrier D5MAHAQ18XA3 Indoor unit
Outdoor unit model 37MAHAQ18AA3 Carrier model match
37MAHAQ18AA3 product image Carrier 37MAHAQ18AA3 Air-source heat pump

Performance specs

Capacity and efficiency

Cooling Capacity (BTUH)
18000
Heating Capacity 47F (BTUH)
18000
Heating Capacity 17F (BTUH)
18000
Heating Capacity 5F (BTUH)
18000
Seer2
21.50
HSPF2 Region IV
11.00
EER2 AFull 95F
12.50
COP at 5F
1.92
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

37MAHAQ18AA3 — Carrier AHRI 215323745

AHRI 215323745

Indoor model / pattern
45MAHAQ18XA3
Cooling · BTU/h
18,000
SEER2
21.50
HSPF2
11.00

Cooling capacity (listed) · HSPF2 Region IV

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

Carrier

Mini / multi-split heat pump

38MARBQ18AA3 — Carrier AHRI 206348137

AHRI 206348137

Indoor model / pattern
40MAHBQ18XA3
Cooling · BTU/h
18,000
SEER2
21.50
HSPF2
11.30

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.
  • Different refrigerant: R-410A (current: R-454B).
  • Lower heating capacity at 17°F: 15,000 BTU/h.
View AHRI
Same cooling capacity

Bosch

Mini / multi-split heat pump

BMS500-AAS018-1CSXHD — Bosch AHRI 215223286

AHRI 215223286

Indoor model / pattern
BMS500-AAU018-1AHWXD
Cooling · BTU/h
18,000
SEER2
21.40
HSPF2
11.00

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower SEER2: 21.40 vs. 21.50
View AHRI
Same cooling capacity

Bosch

Mini / multi-split heat pump

BMS500-AAS018-1CSXHC — Bosch AHRI 207759996

AHRI 207759996

Indoor model / pattern
BMS500-AAU018-1AHWXC
Cooling · BTU/h
18,000
SEER2
21.50
HSPF2
11.30

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.
  • Different refrigerant: R-410A (current: R-454B).
  • Lower heating capacity at 17°F: 15,000 BTU/h.
View AHRI
Higher SEER2

Fujitsu

Mini / multi-split heat pump

AOUH18LUAS1 — Fujitsu AHRI 211078843

AHRI 211078843

Indoor model / pattern
ABUH18LUAS
Cooling · BTU/h
18,000
SEER2
22.50
HSPF2
10.60

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 10.60 vs. 11.00
  • Different refrigerant: R-410A (current: R-454B).
  • Lower heating capacity at 17°F: 15,800 BTU/h.
  • Lower heating capacity at 5°F: 16,800 BTU/h.
View AHRI
Higher SEER2

Fujitsu

Mini / multi-split heat pump

AOU18RGLX — Fujitsu AHRI 202195106

AHRI 202195106

Indoor model / pattern
AUU18RGLX
Cooling · BTU/h
18,000
SEER2
22.00
HSPF2
10.50

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 10.50 vs. 11.00
  • Different refrigerant: R-410A (current: R-454B).
  • Lower heating capacity at 17°F: 12,300 BTU/h.
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

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.

View service details
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.

View service details
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.

View service details
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.

View service details
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.

View service details
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.

View service details

Brands We Service