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Mass Save AHRI details

Fujitsu AOUH18KZAH1

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 brandFujitsu
Outdoor unit modelAOUH18KZAH1
Indoor unit brandFUJITSU
Indoor unit modelsASUH18KZBS
Model nameAIRSTAGE H-Series
Model numberAOUH18KZAH1

Related product models

Indoor unit model ASUH18KZBS Fujitsu model match
ASUH18KZBS product image Fujitsu ASUH18KZBS Indoor unit
Outdoor unit model AOUH18KZAH1 Fujitsu model match
AOUH18KZAH1 product image Fujitsu AOUH18KZAH1 Air-source heat pump

Performance specs

Capacity and efficiency

Cooling Capacity (BTUH)
18000
Heating Capacity 47F (BTUH)
21600
Heating Capacity 17F (BTUH)
13600
Heating Capacity 5F (BTUH)
24800
Seer2
25.50
HSPF2 Region IV
12.50
EER2 AFull 95F
14.00
COP at 5F
2.08
Refrigerant Type
R-32

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

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Higher SEER2

Carrier

Mini / multi-split heat pump

38MPRBQ18AA3 — Carrier AHRI 207826658

AHRI 207826658

Indoor model / pattern
40MPHBQ18XA3
Cooling · BTU/h
18,000
SEER2
26.30
HSPF2
11.00

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 11.00 vs. 12.50
  • Different refrigerant: R-410A (current: R-32).
  • Lower heating capacity at 47°F: 20,000 BTU/h.
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Same cooling capacity

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.Lower HSPF2 (Region IV): 11.30 vs. 12.50
  • Different refrigerant: R-410A (current: R-32).
  • Lower heating capacity at 47°F: 18,000 BTU/h.
  • Lower heating capacity at 5°F: 18,000 BTU/h.
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.Lower HSPF2 (Region IV): 11.30 vs. 12.50
  • Different refrigerant: R-410A (current: R-32).
  • Lower heating capacity at 47°F: 18,000 BTU/h.
  • Lower heating capacity at 5°F: 18,000 BTU/h.
View AHRI
Same cooling capacity

Bosch

Mini / multi-split heat pump

BMS500-AAS018-1CSXRD — Bosch AHRI 215223303

AHRI 215223303

Indoor model / pattern
BMS500-AAU018-1AHZXD
Cooling · BTU/h
18,000
SEER2
22.20
HSPF2
12.20

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 12.20 vs. 12.50
  • Different refrigerant: R-454B (current: R-32).
  • Lower heating capacity at 47°F: 18,000 BTU/h.
  • Lower heating capacity at 5°F: 13,100 BTU/h.
View AHRI
Same outdoor unit

Fujitsu

Mini / multi-split heat pump

AOUH18KZAH1 — Fujitsu AHRI 215647921

AHRI 215647921

Indoor model / pattern
ASUH18KZAS
Cooling · BTU/h
18,000
SEER2
25.50
HSPF2
12.50

Cooling capacity (listed) · HSPF2 Region IV

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

Fujitsu

Mini / multi-split heat pump

AOUH18KUAS1 — Fujitsu AHRI 215434552

AHRI 215434552

Indoor model / pattern
AUUH18KUAS
Cooling · BTU/h
18,000
SEER2
26.30
HSPF2
11.40

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 11.40 vs. 12.50
  • Lower heating capacity at 5°F: 17,100 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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Brands We Service