Heat Pump

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

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Carrier Residential Heat Pump - 38GRQ Heat Pump Repair, maintenance, and replacement planning

Technical Specifications

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

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.

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Our Happy Customers

Dev W.

I had a breakdown of my cooling system and Hanna at Green Flow responded to my request right away. They scheduled me same day. The team at Green Flow was easy to communicate with over phone and text. They kept me updated on delays on arrival of the...

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.

Neal V.

In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

Jahangir R.

They were very organized to communicate and be on time to come to look at my air condition to fix it.

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