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Mass Save AHRI details

ZERO ZMSB-33HV-USHHCR2-O

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 brandZERO
Outdoor unit modelZMSB-33HV-USHHCR2-O
Indoor unit brandZERO
Indoor unit modelsZWAVAG-33HDMB-US
Model nameZMSB Series
Model numberZMSB-33HV-USHHCR2-O

Performance specs

Capacity and efficiency

Cooling Capacity (BTUH)
33000
Heating Capacity 47F (BTUH)
36000
Heating Capacity 17F (BTUH)
31000
Heating Capacity 5F (BTUH)
34600
Seer2
20.00
HSPF2 Region IV
10.50
EER2 AFull 95F
11.70
COP at 5F
1.91
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 cooling capacity

Carrier

Mini / multi-split heat pump

37MAHAQ33AA3 — Carrier AHRI 215323747

AHRI 215323747

Indoor model / pattern
45MAHAQ33XA3
Cooling · BTU/h
33,000
SEER2
19.60
HSPF2
10.50

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower SEER2: 19.60 vs. 20.00
View AHRI
Similar cooling capacity

Carrier

Mini / multi-split heat pump

37MBRAQ36AA3 — Carrier AHRI 215323850

AHRI 215323850

Indoor model / pattern
45MBCAQ36XA3
Cooling · BTU/h
36,000
SEER2
20.00
HSPF2
10.40

Cooling capacity (listed) · HSPF2 Region IV

Cooling capacity +9.1%Similar cooling capacity.Lower HSPF2 (Region IV): 10.40 vs. 10.50
  • Lower heating capacity at 17°F: 26,800 BTU/h.
  • Lower heating capacity at 5°F: 26,600 BTU/h.
View AHRI
Similar cooling capacity

Bosch

Mini / multi-split heat pump

BMS500-AAS036-1CSXLD — Bosch AHRI 215223311

AHRI 215223311

Indoor model / pattern
BMS500-AAU036-1AHCXD
Cooling · BTU/h
36,000
SEER2
20.00
HSPF2
10.30

Cooling capacity (listed) · HSPF2 Region IV

Cooling capacity +9.1%Similar cooling capacity.Lower HSPF2 (Region IV): 10.30 vs. 10.50
  • Lower heating capacity at 17°F: 26,800 BTU/h.
  • Lower heating capacity at 5°F: 26,600 BTU/h.
View AHRI
Higher SEER2

Bosch

Mini / multi-split heat pump

BMS500-AAS030-1CSXRD — Bosch AHRI 215223309

AHRI 215223309

Indoor model / pattern
BMS500-AAU030-1AHWXD
Cooling · BTU/h
30,000
SEER2
20.50
HSPF2
9.50

Cooling capacity (listed) · HSPF2 Region IV

Cooling capacity −9.1%Similar cooling capacity.Lower HSPF2 (Region IV): 9.50 vs. 10.50
  • Lower heating capacity at 47°F: 30,000 BTU/h.
  • Lower heating capacity at 17°F: 20,400 BTU/h.
  • Lower heating capacity at 5°F: 20,000 BTU/h.
View AHRI
Higher SEER2

Fujitsu

Mini / multi-split heat pump

AOUH36KPAS1 — Fujitsu AHRI 215390441

AHRI 215390441

Indoor model / pattern
ASUH36KPAS
Cooling · BTU/h
33,000
SEER2
21.00
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-32 (current: R-454B).
  • Lower heating capacity at 47°F: 34,000 BTU/h.
  • Lower heating capacity at 17°F: 22,400 BTU/h.
  • Lower heating capacity at 5°F: 25,800 BTU/h.
View AHRI
Higher SEER2

Fujitsu

Mini / multi-split heat pump

AOUH36KUAS1 — Fujitsu AHRI 215434555

AHRI 215434555

Indoor model / pattern
AUUH36KUAS
Cooling · BTU/h
36,000
SEER2
21.30
HSPF2
10.50

Cooling capacity (listed) · HSPF2 Region IV

Cooling capacity +9.1%Similar cooling capacity.Higher SEER2: 21.30 vs. 20.00
  • Different refrigerant: R-32 (current: R-454B).
  • Lower heating capacity at 17°F: 25,400 BTU/h.
  • Lower heating capacity at 5°F: 31,000 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.

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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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