Heat Pump

Carrier® Performance™ Ductless 12000 Btuh Heat Pump High Wall R-410A service and support

Carrier Residential Heat Pump - 40MAQ Heat Pump Repair, maintenance, and replacement planning

Product service snapshot

Carrier® Performance™ Ductless 12000 Btuh Heat Pump High Wall R-410A service details

Carrier® Performance™ Ductless 12000 Btuh Heat Pump High Wall R-410A is a Carrier® heat pump record from the Carrier Enterprise catalog. Catalog model: 40MAQB12B--1. Product family: 40MAQ. Green Flow Solution uses this page for residential model identification, service planning, maintenance conversations, repair diagnostics, and replacement matching.

Brand: Carrier
Model or series: Carrier® Performance™ Ductless 12000 Btuh Heat Pump High Wall R-410A
Equipment type: Heat Pump
Product group: Residential Heat Pump - 40MAQ

Technical snapshot

Carrier® Performance™ Ductless 12000 Btuh Heat Pump High Wall R-410A technical snapshot

Product Specs

Model: 40MAQB12B--1
Manufacturer Number: 40MAQB12B--1
Vendor Number: 40MAQB12B--1
Catalog Brand: Carrier®
Product Family: 40MAQ
AHRI Usage: Indoor AHU
Approvals: ETL Listed
Blower Motor HP: 1/20
Blower Motor RPM: 1,350
Blower Motor Speeds: 4
Blower Motor Type: PSC (Permanent Split Capacitor)
Brand: Carrier®
CFM: 210-380
Color: White
Cooling Capacity: 12,000
Cooling Rated Capacity Btu/h: 12000
Country Of Origin: CHN
Cubic Measurement: 1.6336
Cycle/Hertz: 60 Hz
Dimensional Weight: 21
Drain Connection Size: 5/8"
EER: 13
Energy Star Rated: YES
Evaporator Coil Fins Per Inch (FPI): 20
HSPF: 10
Heating Capacity: 5,000-13,500
Height: 11
Length: 7.8
Liquid Line Fitting Type: Flare
Liquid Line Size (OD): 1/4"
Mounting Type: Wall-Mount
Multi Zone: NO
OPT Code: 1P40MAQB12B--1
Phase: Single
Prop 65: YES
Refrigerant: R-410A
Remote Control Included: NO
SEER: 21
Sound Level (dBA): 27
Suction Line Fitting Type: Flare
Suction Line Size (OD): 1/2"
Tier: Performance™
Tonnage: 1
UOM: EA
UPC: See Optical
Voltage: 115 VAC
Weight: 19.2
Width: 32.9

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 Carrier® Performance™ Ductless 12000 Btuh Heat Pump High Wall R-410A requests

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.

Describe the service issue

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

Review access and history

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

Plan the next step

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

Carrier® Performance™ Ductless 12000 Btuh Heat Pump High Wall R-410A service questions

Can GreenFlow help with Carrier Carrier® Performance™ Ductless 12000 Btuh Heat Pump High Wall R-410A service requests?

Yes. GreenFlow can help collect the right details for Carrier Carrier® Performance™ Ductless 12000 Btuh Heat Pump High Wall R-410A service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for Carrier® Performance™ Ductless 12000 Btuh Heat Pump High Wall R-410A?

Helpful symptoms include no heat, no cooling, weak airflow, defrost or outdoor icing concerns, auxiliary heat behavior, thermostat issues, short cycling, unusual noise, and whether the request is urgent or planned maintenance.

Is Carrier® Performance™ Ductless 12000 Btuh Heat Pump High Wall R-410A used for residential or commercial properties?

Heat pump requests may come from homes, condos, multifamily properties, managed buildings, and light-commercial spaces depending on the system type and building layout.

What helps schedule Carrier® Performance™ Ductless 12000 Btuh Heat Pump High Wall R-410A service faster?

Share the exact model and serial number if available, clear photos of the equipment and surrounding access area, current symptoms, recent maintenance history, and whether the request is repair, maintenance, or replacement planning.

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Andrey was quick, efficient, and professional. He was also very informative about the condition of the heat pump and gave options for repair/replacement. His cost estimates are reasonable. Highly recommend.

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Recently, my tankless water heater stopped working. Green Flow Solution responded quickly after I submitted a request through Yelp. I was impressed by their service team’s responsiveness and prompt follow-up, even over the weekend. Andrey, the technician, arrived the next day and resolved the issue professionally—the system was...

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