Westinghouse 18,000 BTU Ductless Mini-Split Heat Pump - WHP18WMA21S
brand: Westinghouse
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- WHP18WMA21S
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Westinghouse 18,000 BTU Ductless Mini-Split Heat Pump - WHP18WMA21S
The Westinghouse WHP18WMA21S is an 18,000 BTU/h single-zone wall-mounted ductless mini-split heat pump system. Manufactured by Fujitsu General under the Westinghouse brand license, it features inverter-driven variable-speed technology with R-410A refrigerant. Rated cooling capacity is 18,000 BTU/h (5.28 kW) with a wide modulation range from 6,500 to 19,500 BTU/h, and heating capacity of 19,000 BTU/h (5.57 kW) ranging from 6,500 to 20,000 BTU/h. This is a complete single-zone system including both indoor and outdoor units.
Technical Specifications
| Specification | Value |
|---|---|
| Manufacturer | Westinghouse (by Fujitsu General) |
| Model Number | WHP18WMA21S |
| Product Type | Wall-Mount Ductless Mini-Split System |
| System Type | Inverter Heat Pump (Cooling + Heating) |
| Rated Cooling Capacity | 18,000 BTU/h (5.28 kW) |
| Cooling Range (Min-Max) | 6,500 - 19,500 BTU/h |
| Rated Heating Capacity | 19,000 BTU/h (5.57 kW) |
| Heating Range (Min-Max) | 6,500 - 20,000 BTU/h |
| Cooling Input Power | 1,385W (range: 345 - 2,760W) |
| Heating Input Power | 1,638W (range: 345 - 2,760W) |
| Cooling Current | 6.3A |
| Heating Current | 7.2A |
| Refrigerant | R-410A |
| Voltage / Phase / Hz | 208-230V / 1-Ph / 60Hz |
| Operating Voltage Range | 198 - 253V |
| Indoor Fan Speeds | 5 (Higher / High / Med / Low / Lower) |
| Indoor Airflow (Max) | 647 CFM |
| Indoor Sound Level | 34 - 50 dB(A) |
| Moisture Removal | 3.2 pt/hr (1.5 L/hr) |
| Indoor Dimensions (HxWxD) | 12-3/8" x 44-1/2" x 9-5/16" |
| Indoor Weight | 32 lbs |
| Line Set Size (Liquid / Gas) | 1/4" / 1/2" |
| Drain Hose | 5/8" OD |
| Remote Control | Wireless (wired optional) |
| Approximate Coverage | Up to 750 sq. ft. |
Warranty Coverage
Note: Residential applications only. Warranty terms and conditions apply.
Professional Installation Required
Concealed duct systems require certified HVAC technician installation including ductwork fabrication, refrigerant line set connection, electrical wiring, and vacuum/charge procedures.
Professional HVAC Installation Required
This system includes both indoor and outdoor units. Refrigerant line set and ductwork required (sold separately).
Important: Check state and local codes and ordinances before purchasing. Product availability and compliance requirements may vary by region.
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