18,000 BTU 20 SEER Wall Mounted Carrier Mini-Split Performance Series Single Zone Heat Pump



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40MAQB18B-3 / 38MAQB18R-3



Authorized Carrier Dealer

AHRI Certified

AHRI Number:8738637

Suggested Retail $3,410.88 Your Low Price Special Price $2,728.70
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The 40MAQB18B-3 / 38MAQB18R-3 Performance series single zone mini split is a heat pump solution with a wall mounted air handler for almost any space. With its wide heating and cooling range and quiet operation, the 40MAQB18B-3 / 38MAQB18R-3 is a reasonably priced solution for almost any application.


  • Can generally heat and cool up to a medium-sized room in mild climates
  • 18,000 BTU, 22.5 SEER heat pump wall mounted mini split with remote control
  • Cooling from -13°F - 122°F outside temperatures
  • Integrated base pan heater allows heating from -22°F - 86°F outside temperatures
  • Built-in safety monitoring, including refrigerant leakage detection
  • Improved serviceability
  • Quiet and efficient operation
18,000 BTU, 22.5 SEER

With an output of 18,000 BTU, the 40MAQB18B-3 / 38MAQB18R-3 has the capability to heat and cool up to a medium-sized room in average climates. With an efficiency rating of 22.5 SEER, bringing comfort to that space is possible while maintaining a high efficiency over many other solutions, allowing you to keep more of your hard-earned money over time by not spending it on your electric bill.


With an installation that follows your state and local installation codes and registration through the manufacturer within 90 days of installation, the 40MAQB18B-3 / 38MAQB18R-3 is backed by Carrier's 10 year parts and compressor warranty for the original registrant.

Quality of Comfort

With its many settings selectable from the unit's included remote, the 40MAQB18B-3 / 38MAQB18R-3 can match almost any comfort-based need, from its Follow Me setting that senses the temperature at the remote instead of at the unit to your standard, unchanged output setting. These settings along with others and its quiet operation allow the 40MAQB18B-3 / 38MAQB18R-3 to bring a high quality of comfort to almost any space.

Reliable Heating and Cooling

For a much more reliable operation, safety monitors all over the 40MAQB18B-3 / 38MAQB18R-3 are constantly taking readings to prevent any possible problems that may arise from general wear-and-tear on the unit. Moreover, the unit has an integrated base pan heater, allowing it to heat all the way down to -22°F.

Product Specifications

More Information
18,000 BTU 20 SEER Wall Mounted Carrier Mini-Split Performance Series Single Zone Heat Pump
Refrigerant Charge Pre-charged for: 26'
Weight (in lbs) 80.000000
AHRI Certificate Number 8738637
Manufacturer Carrier
Controller Wireless Included
Additional Information Heat Pump
Additional Information Minimum Line Set Length: 10'
Additional Information Maximum Line Set Length: 98'
Additional Information Drain: 5/8"
HSPF 10.5
Cooling BTU 17,000 BTU
Heating BTU 18,000 BTU
Maximum CFM 310-680 CFM
Energy Star No
Refrigerant R410A
Capacity Dehumidification Rate: 0.475 gal/hr
SEER 18-20
EER 12.5
Liquid Line 1/4"
Suction Line 1/2"
Electrical 208/230V 1 Phase 60Hz
Phase Single Phase
Max Breaker Size 25 Amps
Min. Breaker Size 18 Amps
Amperage Requirement 25A
Tonnage 1.5 Ton
System Tonnage 1.5 Ton
Mini-Split Type Wall Mounted
Min/Max Outdoor Temp for Heating -22°F-86°F
Min/Max Outdoor Temp for Cooling -13°F-122°F
Zone Compatibility Single Zone
Height Indoor Unit: 12.4" | Outdoor Unit: 27.63"
Width Indoor Unit: 38.98" | Outdoor Unit: 33.66"
Depth Indoor Unit: 8.58" | Outdoor Unit: 14.17"
Warranty 10 years with online registration, 5 years without
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety Information PROPOSITION 65 WARNING


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