Heat Pump

Carrier Crossover 48000 Btuh Heat Pump Condensing Unit R-454B (208/230-1) service and support

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

Product service snapshot

Carrier Crossover 48000 Btuh Heat Pump Condensing Unit R-454B (208/230-1) service details

Crossover 48000 Btuh Heat Pump Condensing Unit R-454B (208/230-1) is a Carrier®, Bryant®, Payne® heat pump record from the Carrier Enterprise catalog. Catalog model: 37MUHAQ48AA3. Product family: 37MUHA. Green Flow Solution uses this page for residential model identification, service planning, maintenance conversations, repair diagnostics, and replacement matching.

Brand: Carrier
Model or series: Crossover 48000 Btuh Heat Pump Condensing Unit R-454B (208/230-1)
Equipment type: Heat Pump
Product group: Residential Heat Pump - 37MUHA

Technical snapshot

Crossover 48000 Btuh Heat Pump Condensing Unit R-454B (208/230-1) technical snapshot

Product Specs

Model: 37MUHAQ48AA3
Manufacturer Number: 37MUHAQ48AA3
Vendor Number: 37MUHAQ48AA3
Catalog Brand: Carrier®, Bryant®, Payne®
Product Family: 37MUHA
AHRI Usage: Outdoor
Approvals: ETL Listed
Brand: Carrier®, Bryant®, Payne®
CFM: 712-1,600
Color: White
Compressor Type: Rotary
Condenser Fan CFM: 3037
Condenser Fan Discharge: Horizontal
Condenser Fan Motor Qty: 1
Condenser Motor Type: PSC (Permanent Split Capacitor)
Cooling Capacity: 48,000
Cooling Rated Capacity Btu/h: 50000
Country Of Origin: CHN
Cycle/Hertz: 60 Hz
EER2: 10.5-13.4
Energy Star Rated: NO
Heating Capacity: 57,300
Heating Capacity @ 5 Deg: 48000
Height: 38.39
High Heat: YES
Length: 16.34
Liquid Line Fitting Type: Flare
Liquid Line Size (OD): 3/8"
Maximum Overcurrent Protection (MOCP): 40
Maximum Piping Height: 98.43'
Maximum Piping Length: 246'
Metering Device: EEV - Electronic Expansion Valve
OPT Code: 1P37MUHAQ48AA3
Phase: Single
Prop 65: YES
Rated Load Amps (RLA): 21
Refrigerant: R-454B
Refrigerant Charge: 8.38 Lbs.
SEER2: 16.5-17.5
Stages Cooling: 1
Stages Heating: 1
Suction Line Fitting Type: Flare
Suction Line Size (OD): 3/4"
Tier: Performance™
Tonnage: 4
UPC: See Optical
Voltage: 208-230 VAC
Weight: 201.06
Width: 38.58

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 Crossover 48000 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.

Crossover 48000 Btuh Heat Pump Condensing Unit R-454B (208/230-1) service questions

Can GreenFlow help with Carrier Crossover 48000 Btuh Heat Pump Condensing Unit R-454B (208/230-1) service requests?

Yes. GreenFlow can help collect the right details for Carrier Crossover 48000 Btuh Heat Pump Condensing 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 Crossover 48000 Btuh Heat Pump Condensing 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 Crossover 48000 Btuh Heat Pump Condensing 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 Crossover 48000 Btuh Heat Pump Condensing 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.

Popular cities

Service Areas

Boston, MA

Worcester, MA

Lowell, MA

View All

Our Happy Customers

Aniket G.

We used Andrey to replace the HVAC system. He was quick, efficient and knew what he was doing. I would surely recommend him.

Jennifer Q.

Andrey is a great technician. He was incredibly respectful of our home, and he worked efficiently to complete the service.Green Flow Solution scheduled us easily. I like that they text a reminder for service on the day scheduled. I especially appreciate that I didn't have to wait days...

Michele Z.

Andrey was professional, prompt, smart, thorough and exceedingly pleasant. We are likely switching our current HVAC company to Green Flow.

Alexey Z.

Great service! They were able to perform complex repairs as I requested. Instructed me well on future maintenance. Worked fast. Suggested future improvements. Great team, highly recommend.

Carlos X.

Andrey and his team did a great jobs for us. We manage over 100+ properties in greater Boston area, and Andrey is the right person for HVAC solutions. Greatly appreciated.

Greg A.

Came same day, fixed in under a hour