Heat Pump

Carrier Heat Pump Ductless 24000 Btuh Heat Pump Condensing Unit R-454B (208/230-1)

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Carrier Residential Heat Pump - 37MARA Heat Pump Repair, maintenance, and replacement planning

Technical Specifications

Product Specs

Model: 37MARAQ24AA3
Manufacturer Number: 37MARAQ24AA3
Vendor Number: 37MARAQ24AA3
Catalog Brand: Carrier®, Bryant®, Payne®
Product Family: 37MARA
AHRI Usage: Outdoor
Approvals: ETL Listed; UL Listed
Brand: Carrier®, Bryant®, Payne®
CFM: 2,237.9
Color: Gray
Compressor Type: Rotary
Condenser Motor HP: 2/25
Condenser Motor RPM: 810
Condenser Motor Speeds: 3
Condenser Motor Type: ECM (Electronically Commutated Motor)
Cooling Capacity: 24,000
Cooling Rated Capacity Btu/h: 24000
Country Of Origin: CHN
Cycle/Hertz: 60 Hz
EER: 14-18.2
EER2: 14
Energy Star Rated: YES
Heating Capacity: 25,000
Heating Capacity @ 5 Deg: 19600
Height: 31.89
Length: 16.14
Liquid Line Fitting Type: Flare
Liquid Line Size (OD): 3/8"
Maximum Overcurrent Protection (MOCP): 25
Maximum Piping Height: 82.02
Maximum Piping Length: 164.04
Number Of HVAC Zones: 1
OPT Code: 1P37MARAQ24AA3
Phase: Single
Prop 65: YES
Rated Current Amps (RCA): 1.69
Rated Load Amps (RLA): 4.15
Refrigerant: R-454B
Refrigerant Charge: 4.41
SEER: 23.1
SEER2: 19-23.1
Suction Line Fitting Type: Flare
Suction Line Size (OD): 5/8"
Tier: Performance™
Tonnage: 2
UPC: See Optical
Voltage: 208-230 VAC
Weight: 122.14
Width: 37.24

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 24000 Btuh Heat Pump Condensing 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.

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Our Happy Customers

John F.

I needed 2 new AC units and decided to go with high efficiency heat pumps. I chose Greenflow because of the equipment they offered, and the price (2nd lowest quote and much cheaper than the average of all quote we received). Their technicians were very detail oriented and...

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.

Sharad W.

Green Flow and the people who work there are terrific. Vlad and Andre are excellent. Andre was very helpful. He was punctual, respectful, efficient and knowledgeable. He did not try to sell me something I didn’t need ( as others have done before). I was charged $99 which...

Anna G.

They quickly identified the issue with the heating system and fixed it efficiently. He explained everything clearly and made sure I understood what was going on. Very professional and reliable, extremely satisfied with the service.

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