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WeatherMaker by Carrier
WeatherMaker by Carrier 18,000 BTU High-Wall Ductless Indoor Heat Pump Unit with Sensor – D5MVHAQ18XA3
WeatherMaker by Carrier 18,000 BTU High-Wall Ductless Indoor Heat Pump Unit with Sensor – D5MVHAQ18XA3
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Powerful, Quiet Comfort Without Traditional Ductwork
The WeatherMaker® by Carrier D5MVHAQ18XA3 18,000 BTU High-Wall Ductless Indoor Heat Pump Unit with Sensor delivers targeted heating and cooling comfort when paired with a manufacturer-approved outdoor heat pump system.
Designed for single-zone applications, this sleek, wall-mounted indoor unit is an excellent option for living areas, home offices, room additions, and spaces where traditional ductwork may not be practical.
With four adjustable fan speeds, quiet operation, and an included wireless remote control, this WeatherMaker unit provides flexible comfort while preserving valuable floor space.
Key Features & Benefits
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18,000 BTU nominal capacity (1.5 tons) for heating and cooling applications.
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Quiet indoor performance, with listed sound levels of 19–44 dBA.
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Four adjustable blower speeds for personalized airflow.
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Brushless DC blower motor for efficient air circulation.
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Wireless remote control included for convenient operation.
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R-454B refrigerant compatibility for manufacturer-approved matched systems.
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High-wall mounting to preserve floor space.
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Electronic expansion valve for controlled refrigerant flow.
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Single-zone configuration for individual room or area comfort.
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Cleanable filters and self-diagnostic features for convenient maintenance and troubleshooting.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | WeatherMaker® by Carrier |
| Model Number | D5MVHAQ18XA3 |
| Equipment Type | High-Wall Indoor Heat Pump Unit |
| Nominal Cooling Capacity | 18,000 BTU/h |
| Tonnage | 1.5 Tons |
| Refrigerant | R-454B |
| Electrical | 208–230V, Single Phase, 60 Hz |
| Blower Motor | Brushless DC (BLDC) |
| Blower Motor Speed | 1,200 RPM |
| Blower Motor Power | 58.5 Watts |
| Fan Speeds | 4 |
| Airflow | 264.9–477.3 CFM |
| Sound Level | 19–44 dBA |
| SEER2 | 18.3 (listed system rating; matched equipment dependent) |
| EER2 | 9.9 (listed system rating; matched equipment dependent) |
| Liquid Line Connection | ¼ inch |
| Suction Line Connection | ½ inch |
| Drain Connection | ⅝ inch |
| Unit Dimensions | 37.68″ W × 11.89″ H × 8.39″ D |
| Unit Weight | 23.37 lbs |
| Mounting | Wall-Mounted |
| Color | White |
| Remote Control | Included |
| Country of Origin | China |
| Certifications | ETL Listed, UL Listed |
What's Included
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WeatherMaker D5MVHAQ18XA3 indoor heat pump unit
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Wireless remote control
Indoor unit only. Outdoor condenser, refrigerant line set, additional installation materials, and installation services are not included.
Installation & Compatibility
Cool Breeze Direct proudly serves DIY homeowners and HVAC professionals.
Before purchasing, verify compatibility with the intended outdoor equipment. This indoor unit cannot provide heating or cooling independently and must be connected to an approved outdoor heat pump system.
Installation requires appropriate electrical connections and refrigerant piping. Follow manufacturer instructions, applicable building codes, permit requirements, and safety procedures.
Refrigerant-circuit work must be performed by an appropriately EPA-certified technician when required.
Why Shop Cool Breeze Direct?
Cool Breeze Direct provides HVAC equipment and replacement parts for DIY homeowners and HVAC professionals, with detailed specifications to help customers select compatible equipment confidently.
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