Green Flow Solution logo
Schedule Service

Heat Pump

Back to Carrier products

Carrier Ductless 18000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1) service and support

Schedule Service Check Availability
Carrier Residential Heat Pump - 37MGRA Heat Pump Repair, maintenance, and replacement planning
Carrier Ductless 18000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1) product image

Product service snapshot

Carrier Ductless 18000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1) service details

Ductless 18000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1) is a Carrier®, Bryant®, Payne® heat pump record from the Carrier Enterprise catalog. Catalog model: 37MGRAQ18CA3. Product family: 37MGRA. Green Flow Solution uses this page for residential model identification, service planning, maintenance conversations, repair diagnostics, and replacement matching.

  • Brand: Carrier
  • Model or series: Ductless 18000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1)
  • Equipment type: Heat Pump
  • Product group: Residential Heat Pump - 37MGRA

Technical snapshot

Ductless 18000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1) technical snapshot

Product Specs

  • Model: 37MGRAQ18CA3
  • Manufacturer Number: 37MGRAQ18CA3
  • Vendor Number: 37MGRAQ18CA3
  • Catalog Brand: Carrier®, Bryant®, Payne®
  • Product Family: 37MGRA
  • AHRI Usage: Outdoor
  • Approvals: ETL Listed; UL Listed
  • Brand: Carrier®, Bryant®, Payne®
  • CFM: 1,765
  • Color: Gray
  • Compressor Type: Rotary
  • Condenser Motor HP: 2/25
  • Condenser Motor RPM: 750
  • Condenser Motor Speeds: 3
  • Condenser Motor Type: ECM (Electronically Commutated Motor)
  • Cooling Capacity: 18,000
  • Cooling Rated Capacity Btu/h: 18000
  • Country Of Origin: CHN
  • Cycle/Hertz: 60 Hz
  • EER2: 10.4
  • Energy Star Rated: YES
  • Heating Capacity: 5,700-21,800
  • Heating Capacity @ 5 Deg: 14050
  • Height: 26.5
  • High Heat: NO
  • Length: 13.46
  • Liquid Line Fitting Type: Flare
  • Liquid Line Size (OD): (3) 1/4"
  • Maximum Overcurrent Protection (MOCP): 20
  • Maximum Piping Height: 49.21
  • Maximum Piping Length: 196.9
  • Metering Device: EEV - Electronic Expansion Valve
  • Number Of HVAC Zones: 3
  • OPT Code: 1P37MGRAQ18CA3
  • Phase: Single
  • Prop 65: YES
  • Rated Current Amps (RCA): 0.71
  • Rated Load Amps (RLA): 6
  • Refrigerant: R-454B
  • Refrigerant Charge: 3.86 lbs
  • SEER2: 22.6
  • Stages Cooling: 1
  • Stages Heating: 1
  • Suction Line Fitting Type: Flare
  • Suction Line Size (OD): (3) 3/8"
  • Tier: Standard
  • Tonnage: 1.5
  • UPC: See Optical
  • Voltage: 208-230 VAC
  • Weight: 100.53
  • Width: 35.04

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 Multi-Zone Outdoor Unit R-454B (208/230-1) 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.

Ductless 18000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1) service questions

Can GreenFlow help with Carrier Ductless 18000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1) service requests?

Yes. GreenFlow can help collect the right details for Carrier Ductless 18000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1) service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for Ductless 18000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1)?

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 Ductless 18000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1) 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 Ductless 18000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1) 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.

Brands We Service

Popular cities

Service Areas

View All

Our Happy Customers

Shaun M.

The team was attentive and persistent at finding and resolving our problem

Natalee B.

The technician came and did a wonderful job, we are very happy. He was professional and knowledgeable. Everything was resolved.

Ted O.

Quick and professional service. Would give more stars if possible. Just amazing.

Thabiti B.

Quick, highly competent and professional. Green Flow did great work.

Henry H.

Replace batteries in thermostat, checked furnace

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.

View All