Ductless / Mini Split

Carrier Ductless 18,000 Btuh Single-Zone Outdoor Cooling Unit R-454B (208/230-1) service and support

Carrier Residential Ductless / Mini Split - 37MHRAC Ductless / Mini Split Repair, maintenance, and replacement planning

Product service snapshot

Carrier Ductless 18,000 Btuh Single-Zone Outdoor Cooling Unit R-454B (208/230-1) service details

Ductless 18,000 Btuh Single-Zone Outdoor Cooling Unit R-454B (208/230-1) is a Carrier®, Bryant®, Payne® ductless / mini split record from the Carrier Enterprise catalog. Catalog model: 37MHRAC18AA3. Product family: 37MHRAC. 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 18,000 Btuh Single-Zone Outdoor Cooling Unit R-454B (208/230-1)
Equipment type: Ductless / Mini Split
Product group: Residential Ductless / Mini Split - 37MHRAC

Technical snapshot

Ductless 18,000 Btuh Single-Zone Outdoor Cooling Unit R-454B (208/230-1) technical snapshot

Product Specs

Model: 37MHRAC18AA3
Manufacturer Number: 37MHRAC18AA3
Vendor Number: 37MHRAC18AA3
Catalog Brand: Carrier®, Bryant®, Payne®
Product Family: 37MHRAC
AHRI Usage: Outdoor
Approvals: ETL Listed; UL Listed
Brand: Carrier®, Bryant®, Payne®
Color: White
Compressor Type: Rotary
Condenser Coil Fins Per Inch (FPI): 22
Condenser Fan CFM: 1236
Condenser Motor HP: 1/25
Condenser Motor RPM: 810
Condenser Motor Speeds: 3
Condenser Motor Type: ECM (Electronically Commutated Motor)
Condenser Motor Watts: 35.4
Cooling Capacity: 3,100-18,400
Cooling Rated Capacity Btu/h: 17500
Country Of Origin: CHN
Cycle/Hertz: 60 Hz
EER2: 11.7
Energy Star Rated: YES
Fan Diameter: 16.6
Height: 21.85
High Heat: NO
Inverter: YES
Length: 11.93
Liquid Line Fitting Type: Flare
Liquid Line Size (OD): 1/4"
Maximum Overcurrent Protection (MOCP): 20
Maximum Piping Height: 65.62
Maximum Piping Length: 24.6
Metering Device: Capillary Tube
Number Of HVAC Zones: 1
OPT Code: 1P37MHRAC18AA3
Phase: Single
Prop 65: YES
Rated Current Amps (RCA): 0.62
Refrigerant: R-454B
Refrigerant Charge: R-454B
SEER2: 22.2
Stages Cooling: 1
Suction Line Fitting Type: Flare
Suction Line Size (OD): 1/2"
Tier: Comfort™
Tonnage: 1.5
UPC: See Optical
Voltage: 208-230 VAC
Weight: 59.97
Width: 30.12

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 18,000 Btuh Single-Zone Outdoor Cooling Unit R-454B (208/230-1) 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.

Ductless 18,000 Btuh Single-Zone Outdoor Cooling Unit R-454B (208/230-1) service questions

Can GreenFlow help with Carrier Ductless 18,000 Btuh Single-Zone Outdoor Cooling Unit R-454B (208/230-1) service requests?

Yes. GreenFlow can help collect the right details for Carrier Ductless 18,000 Btuh Single-Zone Outdoor Cooling 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 18,000 Btuh Single-Zone Outdoor Cooling Unit R-454B (208/230-1)?

Helpful symptoms include no heat, no cooling, weak airflow, error codes, leaks, short cycling, unusual noise, thermostat behavior, and whether the issue is urgent or planned maintenance.

Is Ductless 18,000 Btuh Single-Zone Outdoor Cooling Unit R-454B (208/230-1) used for residential or commercial properties?

Ductless / Mini Split requests may come from homes, condos, multi-unit properties, offices, managed buildings, and light-commercial spaces depending on the equipment type and application.

What helps schedule Ductless 18,000 Btuh Single-Zone Outdoor Cooling 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.