Green Flow Solution logo
Schedule Service

Heat Pump

Back to Carrier products

Carrier Heat Pump Ductless 18000 Btuh Heat Pump High Wall R-410A (208/230V)

Install QuoteBook ServiceEquipment Quote
Carrier Residential Heat Pump - 40MAHB Heat Pump Repair, maintenance, and replacement planning
Carrier Ductless 18000 Btuh Heat Pump High Wall R-410A (208/230V) product image

Technical Specifications

Product Specs

  • Model: 40MAHBQ18XA3
  • Manufacturer Number: 40MAHBQ18XA3
  • Vendor Number: 40MAHBQ18XA3
  • Catalog Brand: Carrier®
  • Product Family: 40MAHB
  • AHRI Usage: Indoor AHU
  • Blower Motor HP: 1/25
  • Blower Motor RPM: 916-1,240
  • Blower Motor Speeds: 4
  • Blower Motor Type: PSC (Permanent Split Capacitor)
  • Blower Motor Watts: 36
  • Brand: Carrier®
  • CFM: 306-635
  • Color: White
  • Cooling Capacity: 18,000
  • Cooling Rated Capacity Btu/h: 18000
  • Country Of Origin: CHN
  • Cubic Measurement: 4.7997
  • Cycle/Hertz: 60 Hz
  • Drain Connection Size: 5/8"
  • EER: 12.5
  • Energy Star Rated: YES
  • Evaporator Coil Fins Per Inch (FPI): 20
  • Heating Capacity: 14,000-18,000
  • Height: 12.56
  • Length: 9.41
  • Liquid Line Fitting Type: Flare
  • Liquid Line Size (OD): 1/4"
  • Mounting Type: Wall-Mount
  • Multi Zone: YES
  • OPT Code: 1P40MAHBQ18XA3
  • Phase: Single
  • Prop 65: YES
  • Refrigerant: R-410A
  • Remote Control Included: YES
  • SEER: 21.5
  • Sound Level (dBA): 37-48
  • Suction Line Fitting Type: Flare
  • Suction Line Size (OD): 1/2"
  • Tier: Performance™
  • Tonnage: 1.5
  • UPC: See Optical
  • Voltage: 208-230 VAC
  • Weight: 27.12
  • Width: 37.99

Useful troubleshooting details

  • Confirm the exact model number, serial number, installed equipment type, and site voltage before service or replacement planning.
  • Match replacement equipment and accessories against current Carrier compatibility requirements, refrigerant type, capacity, airflow, and local code requirements.

Service planning

How GreenFlow handles Ductless 18000 Btuh Heat Pump High Wall R-410A (208/230V) requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

Brands We Service

Popular cities

Service Areas

Our Happy Customers

Jenny W.

Great service! On time, knowledgeable & professional

Randy J.

Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

Anna F.

They showed up within an hour of me making the call on a Sunday. They fixed our system and taught us how to replace the fuse in the future. We would definitely call again.

Melissa S.

The repair person came quickly and was super efficient and polite, and showed me what to do next time. He gave my dog a quick pay and was off again.

View All