Heat Pump

Carrier 40MBDQ48---3 - 4 Ton Slim Ducted Heat Pump Fan Coil R-410A service and support

Carrier Residential Heat Pump - 40MBDQ Heat Pump Repair, maintenance, and replacement planning

Product service snapshot

Carrier 40MBDQ48---3 - 4 Ton Slim Ducted Heat Pump Fan Coil R-410A service details

40MBDQ48---3 - 4 Ton Slim Ducted Heat Pump Fan Coil R-410A is a Carrier®, Bryant® heat pump record from the Carrier Enterprise catalog. Catalog model: 40MBDQ48---3. Product family: 40MBDQ. Green Flow Solution uses this page for residential model identification, service planning, maintenance conversations, repair diagnostics, and replacement matching.

Brand: Carrier
Model or series: 40MBDQ48---3 - 4 Ton Slim Ducted Heat Pump Fan Coil R-410A
Equipment type: Heat Pump
Product group: Residential Heat Pump - 40MBDQ

Technical snapshot

40MBDQ48---3 - 4 Ton Slim Ducted Heat Pump Fan Coil R-410A technical snapshot

Product Specs

Model: 40MBDQ48---3
Manufacturer Number: 40MBDQ48---3
Vendor Number: 40MBDQ48---3
Catalog Brand: Carrier®, Bryant®
Product Family: 40MBDQ
AHRI Usage: Indoor AHU
Approvals: ETL Listed
Blower Motor HP: 3/4
Blower Motor RPM: 1,020
Blower Motor Speeds: 3
Blower Motor Type: ECM (Electronically Commutated Motor)
Blower Motor Watts: 560
Blower Wheel Diameter: 9 3/50"
Blower Wheel Width: 10 39/100"
Brand: Carrier®, Bryant®
CFM: 720-1,230
CFM Heating: 1,150-1,576
Color: Silver
Cooling Capacity: 48,000
Cooling Rated Capacity Btu/h: 48000
Country Of Origin: CHN
Cubic Measurement: 11.1097
Cycle/Hertz: 60 Hz
Dimensional Weight: 200
Drain Connection Size: 1"
EER: 9.56
Energy Star Rated: NO
Evaporator Coil Fins Per Inch (FPI): 16
Heating Capacity: 48,000
Height: 34.41
Length: 11.81
Liquid Line Fitting Type: Flare
Liquid Line Size (OD): 3/8"
Metering Device: EEV - Electronic Expansion Valve
Mounting Type: Concealed Ducted
Multi Zone: NO
OPT Code: 1P40MBDQ48---3
Phase: Single
Prop 65: YES
Refrigerant: R-410A
Remote Control Included: YES
SEER: 17.4
Sound Level (dBA): 46-50.5
Suction Line Fitting Type: Flare
Suction Line Size (OD): 5/8"
Tier: Performance™
Tonnage: 4
UOM: EA
UPC: See Optical
Voltage: 208-230 VAC
Weight: 120
Width: 47.24

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 40MBDQ48---3 - 4 Ton Slim Ducted Heat Pump Fan Coil R-410A 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.

40MBDQ48---3 - 4 Ton Slim Ducted Heat Pump Fan Coil R-410A service questions

Can GreenFlow help with Carrier 40MBDQ48---3 - 4 Ton Slim Ducted Heat Pump Fan Coil R-410A service requests?

Yes. GreenFlow can help collect the right details for Carrier 40MBDQ48---3 - 4 Ton Slim Ducted Heat Pump Fan Coil R-410A service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for 40MBDQ48---3 - 4 Ton Slim Ducted Heat Pump Fan Coil R-410A?

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 40MBDQ48---3 - 4 Ton Slim Ducted Heat Pump Fan Coil R-410A 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 40MBDQ48---3 - 4 Ton Slim Ducted Heat Pump Fan Coil R-410A 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

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Our Happy Customers

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.

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!

Rajib M.

Andrey from Green Flow came out exactly when he said he was going to and fixed a simple problem with the heating system at my rental property. Really appreciate the quick turnaround and fair pricing.

Michael C.

always available, easy to get a hold of, as a property manager I get lots no heat emergency, usually get to it same day or next day

Howard H.

Great experience. Knowledgeable and very fair. Highly recommend

Julia

Our furnace was leaking due to the drain pipe being clogged. Andrey came out within a couple of hours of submitting a request via Thumbtack. He cleaned it out within 15 minutes and was on his way Price was reasonable for the job. Some other companies had a...