18,000 BTU 19 SEER Wall Mounted Carrier Mini-Split Comfort Series Single Zone Heat Pump
Model: 40MHHQ18-3 / 38MHRBQ18AA3
Low Price: $1,787.00

This product has been discontinued

18,000 BTU 19 SEER Wall Mounted Carrier Mini-Split Comfort Series Single Zone Heat Pump

By: Carrier Model: 40MHHQ18-3 / 38MHRBQ18AA3 ID: 9791

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Authorized Carrier Dealer
Usually Ships within 3-5 Business Days
AHRI Certified

Currently Out of Stock





The Carrier 40MHHQ18-3 / 38MHRBQ18AA3 Comfort 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 40MHHQ18-3 / 38MHRBQ18AA3 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, 16 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
  • Automated vertical louver control
  • Quiet and efficient operation
18,000 BTU, 16 SEER

With an output of 18,000 BTU, the Carrier 40MHHQ18-3 / 38MHRBQ18AA3 has the capability to heat and cool up to a medium-sized room in average climates. With an efficiency rating of 16 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 40MHHQ18-3 / 38MHRBQ18AA3 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 Carrier 40MHHQ18-3 / 38MHRBQ18AA3 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 40MHHQ18-3 / 38MHRBQ18AA3 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 Carrier 40MHHQ18-3 / 38MHRBQ18AA3 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.


Additional Information

SKU 40MHHQ18-3 / 38MHRBQ18AA3
Discontinued Yes
Manufacturer Carrier
AHRI Certificate Number 201847009
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 10.6
Cooling BTU 18,000 BTU
Heating BTU 18,000 BTU
Maximum CFM 353-559
Refrigerant R410A
Refrigerant Charge Pre-charged for: 25'
Capacity Dehumidification Rate: 0.57875 gal/hr
EER 11.2
Liquid Line 1/4"
Suction Line 1/2"
Electrical 208/230V 1 Phase 60Hz
Electric Phase Filter Single Phase
Max Breaker Size 20 Amps
Min. Breaker Size 15 Amps
Amperage Requirement 20A
Tonnage 1.5 Ton
Mini-Split Type Wall Mounted
Min/Max Outdoor Temp for Heating 0°F-86°F
Min/Max Outdoor Temp for Cooling 0°F-122°F
Low Ambient Heating Yes
Zone Compatibility Single Zone
Height Indoor Unit: 12.8" | Outdoor Unit: 21.81"
Width Indoor Unit: 38.36" | Outdoor Unit: 31.5"
Depth Indoor Unit: 8.87" | Outdoor Unit: 13.11"
Warranty 10 years with online registration, 5 years without
Safety Information PROPOSITION 65 WARNING



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