Heat Pump

Carrier Ductless 18000 Btuh Heat Pump High Wall Unit with Sensor R-454B (208/230V) service and support

Carrier Residential Heat Pump - D5MVHA Heat Pump Repair, maintenance, and replacement planning

Product service snapshot

Carrier Ductless 18000 Btuh Heat Pump High Wall Unit with Sensor R-454B (208/230V) service details

Ductless 18000 Btuh Heat Pump High Wall Unit with Sensor R-454B (208/230V) is a Carrier®, Bryant® heat pump record from the Carrier Enterprise catalog. Catalog model: D5MVHAQ18XA3. Product family: D5MVHA. Green Flow Solution uses this page for residential model identification, service planning, maintenance conversations, repair diagnostics, and replacement matching.

Brand: Carrier
Model or series: Ductless 18000 Btuh Heat Pump High Wall Unit with Sensor R-454B (208/230V)
Equipment type: Heat Pump
Product group: Residential Heat Pump - D5MVHA

Technical snapshot

Ductless 18000 Btuh Heat Pump High Wall Unit with Sensor R-454B (208/230V) technical snapshot

Product Specs

Model: D5MVHAQ18XA3
Manufacturer Number: D5MVHAQ18XA3
Vendor Number: D5MVHAQ18XA3
Catalog Brand: Carrier®, Bryant®
Product Family: D5MVHA
AHRI Usage: Indoor AHU
Approvals: ETL Listed; UL Listed
Blower Motor HP: 1/25
Blower Motor RPM: 1,200
Blower Motor Speeds: 4
Blower Motor Type: Brushless DC (BLDC)
Blower Motor Watts: 58.5
Blower Wheel Diameter: 3 9/10"
Blower Wheel Width: 29 4/5"
Brand: Carrier®, Bryant®
CFM: 264.9-477.3
CFM Heating: 264.9-477.3
Color: White
Cooling Capacity: 6,300-17,900
Cooling Rated Capacity Btu/h: 18000
Country Of Origin: CHN
Cycle/Hertz: 60 Hz
Drain Connection Size: 5/8"
EER2: 9.9
Energy Star Rated: YES
Evaporator Coil Fins Per Inch (FPI): 22
Heating Capacity: 4,600-18,800
Height: 11.89
Length: 8.39
Liquid Line Fitting Type: Flare
Liquid Line Size (OD): 1/4"
Metering Device: EEV - Electronic Expansion Valve
Mounting Type: Wall-Mount
Multi Zone: NO
Number Of HVAC Zones: 1
OPT Code: 1PD5MVHAQ18XA3
Phase: Single
Prop 65: YES
Refrigerant: R-454B
Remote Control Included: YES
SEER2: 18.3
Sound Level (dBA): 19-44
Suction Line Fitting Type: Flare
Suction Line Size (OD): 1/2"
Tier: Standard
Tonnage: 1.5
UPC: See Optical
Voltage: 208-230 VAC
Weight: 23.37
Width: 37.68

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 18000 Btuh Heat Pump High Wall Unit with Sensor R-454B (208/230V) 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.

Ductless 18000 Btuh Heat Pump High Wall Unit with Sensor R-454B (208/230V) service questions

Can GreenFlow help with Carrier Ductless 18000 Btuh Heat Pump High Wall Unit with Sensor R-454B (208/230V) service requests?

Yes. GreenFlow can help collect the right details for Carrier Ductless 18000 Btuh Heat Pump High Wall Unit with Sensor R-454B (208/230V) service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for Ductless 18000 Btuh Heat Pump High Wall Unit with Sensor R-454B (208/230V)?

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 Ductless 18000 Btuh Heat Pump High Wall Unit with Sensor R-454B (208/230V) 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 Ductless 18000 Btuh Heat Pump High Wall Unit with Sensor R-454B (208/230V) 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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Service Areas

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Our Happy Customers

David Z.

Right on time. Excellent service. Fixed the heating system and reasonably priced.

Paul R.

Was able to get them to come immediately to fix our heaters since it stopped working and it was very cold outside. I needed a second opinion in the accurately diagnosed and resolved the issue within 15 minutes and restored heat. He provided clear diagnosis that made way...

William Z.

Quick service

Tom T.

Fantastic job by Green Flow. Andrey, Andrei and Yuri were punctual, very neat, capable, and meticulous in replacing two complete HVAC systems and ductwork repairs in our home. They will now be our go to service for all our HVAC needs going forward.

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.

Roger L.

Green Flow Solutions was a pleasure to work with. Great communication, really timely and completed the job smoothly. Highly recommend!