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Carrier® Infinity™ Ductless 18000 Btu Up to 21 SEER Heat Pump Single-Zone Inverter R-410A (208/230-1) service and support

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Carrier Residential Heat Pump - 38GRQ Heat Pump Repair, maintenance, and replacement planning
Carrier® Infinity™ Ductless 18000 Btu Up to 21 SEER Heat Pump Single-Zone Inverter R-410A (208/230-1) product image

Product service snapshot

Carrier® Infinity™ Ductless 18000 Btu Up to 21 SEER Heat Pump Single-Zone Inverter R-410A (208/230-1) service details

Carrier® Infinity™ Ductless 18000 Btu Up to 21 SEER Heat Pump Single-Zone Inverter R-410A (208/230-1) is a Carrier® heat pump record from the Carrier Enterprise catalog. Catalog model: 38GRQB18---3. Product family: 38GRQ. 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® Infinity™ Ductless 18000 Btu Up to 21 SEER Heat Pump Single-Zone Inverter R-410A (208/230-1)
  • Equipment type: Heat Pump
  • Product group: Residential Heat Pump - 38GRQ

Technical snapshot

Carrier® Infinity™ Ductless 18000 Btu Up to 21 SEER Heat Pump Single-Zone Inverter R-410A (208/230-1) technical snapshot

Product Specs

  • Model: 38GRQB18---3
  • Manufacturer Number: 38GRQB18---3
  • Vendor Number: 38GRQB18---3
  • Catalog Brand: Carrier®
  • Product Family: 38GRQ
  • AHRI Usage: Outdoor
  • Approvals: ETL Listed
  • Brand: Carrier®
  • CFM: 2,354
  • Color: White
  • Compressor Type: Rotary
  • Condenser Fan CFM: 2354
  • Condenser Motor HP: 3/25
  • Condenser Motor RPM: 900
  • Condenser Motor Speeds: 1
  • Condenser Motor Type: ECM (Electronically Commutated Motor)
  • Cooling Capacity: 4,435-21,496
  • Cooling Rated Capacity Btu/h: 18000
  • Country Of Origin: Varies
  • Cubic Measurement: 11.6711
  • Cycle/Hertz: 60 Hz
  • EER: 12.5
  • Energy Star Rated: YES
  • Heating Capacity: 3,753-24,566
  • Heating Capacity @ 5 Deg: 18521
  • Height: 31.1
  • High Heat: NO
  • Inverter: YES
  • Length: 16.8
  • Liquid Line Fitting Type: Flare
  • Liquid Line Size (OD): 1/4"
  • Maximum Overcurrent Protection (MOCP): 30
  • Maximum Piping Height: 33
  • Maximum Piping Length: 82'
  • Metering Device: EEV - Electronic Expansion Valve
  • Number Of HVAC Zones: 1
  • OPT Code: 1P38GRQB18---3
  • Phase: Single
  • Prop 65: NO
  • Rated Current Amps (RCA): 14.5
  • Rated Load Amps (RLA): 14.5
  • Refrigerant: R-410A
  • Refrigerant Charge: 4.4 lb
  • SEER: 21
  • Stages Cooling: Variable
  • Stages Heating: Variable
  • Suction Line Fitting Type: Flare
  • Suction Line Size (OD): 5/8"
  • Tier: Infinity™
  • Tonnage: 1.5
  • UOM: EA
  • UPC: See Optical
  • Voltage: 208-230 VAC
  • Weight: 141.1
  • Width: 38.6

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® Infinity™ Ductless 18000 Btu Up to 21 SEER Heat Pump Single-Zone Inverter R-410A (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.

Carrier® Infinity™ Ductless 18000 Btu Up to 21 SEER Heat Pump Single-Zone Inverter R-410A (208/230-1) service questions

Can GreenFlow help with Carrier Carrier® Infinity™ Ductless 18000 Btu Up to 21 SEER Heat Pump Single-Zone Inverter R-410A (208/230-1) service requests?

Yes. GreenFlow can help collect the right details for Carrier Carrier® Infinity™ Ductless 18000 Btu Up to 21 SEER Heat Pump Single-Zone Inverter R-410A (208/230-1) service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for Carrier® Infinity™ Ductless 18000 Btu Up to 21 SEER Heat Pump Single-Zone Inverter R-410A (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 Carrier® Infinity™ Ductless 18000 Btu Up to 21 SEER Heat Pump Single-Zone Inverter R-410A (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 Carrier® Infinity™ Ductless 18000 Btu Up to 21 SEER Heat Pump Single-Zone Inverter R-410A (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.

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Thabiti B.

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

Ray

Just had a service call because my tankless water heater stopped working with E110 code. Andrey located the root cause real quick and fixed the issue within half an hour, also gave reasonable recommendations for further maintenance.

Hanna P.

Outstanding service! The technician was not only skilled but also very communicative, providing regular updates about their ETA. The service was incredibly fast, and they resolved the issue efficiently. Great experience overall—highly recommend for reliable and professional HVAC services!

Terry S.

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Andrea W.

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

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