Pioneer - Diamante Essenza 1-Zone 9,000 BTU 21 SEER2 Ductless Mini-Split Inverter Heat Pump with 16 ft. Lines 208/230V - White
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About this product
The Pioneer Diamante Essenza WYT-20U is a high-efficiency, entry-level ductless mini split system designed to deliver reliable year-round heating and cooling with an average 21-SEER rating. Ideal for bedrooms, home offices, and small spaces, it features whisper-quiet operation, a compact wall-mounted indoor unit, and a factory pre-charged outdoor condenser with R32 refrigerant. Inverter technology ensures consistent comfort while reducing energy waste, and maintenance is simple with front-access washable filters. The system includes a 16 ft. lineset, drain hose, remote control, and essential installation components-everything needed to complete core setup with ease.
Recommended Room Size
350 square'Features
High-Efficiency Cooling & Heating
9,000 BTU/hour cooling (21 SEER2, 12.5 EER2) and 10,000 BTU/hour heating (9.5 HSPF2, 3.6 COP2) for year-round comfort in rooms 250–350 sq. ft.
Complete System Included
Indoor fan coil, outdoor condenser, wireless remote with holder, 16 ft. line set, installation accessories, and vibration absorber feet.
Advanced Inverter Technology
Pulse width modulation DC inverter compressor and variable-speed DC inverter fan motors for high performance, low power consumption, and reliable operation.
User-Friendly Controls & Versatile Operation
Dual-axis airflow, ECO and SLEEP modes, self-clean cycle, memory function, TURBO mode, IFEEL temperature sensing, timer on/off control, and standard ambient range operation (-4°F heating / 127°F cooling).
Certified & Energy-Safe
ETL, AHRI, and DOE certified; operates on 110/120V, 60Hz, 1Ph, and uses R-32 refrigerant; backed by support hotline for installation, troubleshooting, and warranty.
Specifications
- Recommended Room Size350 square feetBTU Cooling Rating9000 british thermal unitsNumber of Cool Settings5Number of Fan Speeds1Airflow Rate241 cubic feet per minuteRemote ControlYes
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The Pioneer Diamante Essenza WYT-20U is a high-efficiency, entry-level ductless mini split system designed to deliver reliable year-round heating and cooling with an average 21-SEER rating. Ideal for bedrooms, home offices, and small spaces, it features whisper-quiet operation, a compact wall-mounted indoor unit, and a factory pre-charged outdoor condenser with R32 refrigerant. Inverter technology ensures consistent comfort while reducing energy waste, and maintenance is simple with front-access washable filters. The system includes a 16 ft. lineset, drain hose, remote control, and essential installation components-everything needed to complete core setup with ease.

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| Pros for Pioneer - Diamante Essenza 1-Zone 9,000 BTU 21 SEER2 Ductless Mini-Split Inverter Heat Pump with 16 ft. Lines 208/230V - White | |||
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| There were no pros for this product— | There were no pros for this product— | There were no pros for this product— | Overall Performance |
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