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Pioneer

Diamante Essenza 11,500 BTU 17 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit

  • Based on 1,656 reviews
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Availability: In Stock.
Fulfilled by HighSEER
Arrives Sunday, Sep 28
Order within 13 hours and 53 minutes
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Style: 12000 BTU-230V


Features

  • 17 SEER2 Efficiency with 9.5 EER2
  • Engineered for silent operation, the indoor unit runs so quietly its ideal for sleeping areas, nurseries, and home offices.
  • Maintains your set temperature more efficiently by ramping the compressor speed up or down, avoiding the energy waste of frequent cycling.
  • Compact high-wall mount indoor unit with a minimalist look that blends seamlessly into any decor. No ducts, floor vents, or bulky units needed
  • Comes factory-charged and ready for standard installation with up to 16 ft. of included lineset.

Description

The Pioneer Diamante Essenza WYT-17 is a high-efficiency, entry-level ductless mini split system designed to deliver reliable year-round heating and cooling with an average 17 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.

Brand: Pioneer


Capacity: 1 Tons


Cooling Power: 11500 British Thermal Units


Special Feature: 4 Way Swing, Inverter Compressor, Remote Controlled, Silent Mode, Sleep Mode


Product Dimensions: 7.88"D x 30.5"W x 9.75"H


BEE Star Rating: 3 Star


Seasonal Energy Efficiency Ratio (SEER): 17.0


Color: White


Voltage: 230 Volts


Noise Level: 33 dB


Brand Name: ‎Pioneer


Model Info: ‎WYT012GLUI17RL


Item Weight: ‎17 pounds


Product Dimensions: ‎7.88 x 30.5 x 9.75 inches


Item model number: ‎WYT012GLUI17RL


Capacity: ‎1 Tons


Annual Energy Consumption: ‎1170 Watt Hours


Noise: ‎33 dB


Installation Type: ‎Split System


Part Number: ‎WYT012GLUI17RL


Form Factor: ‎Mini-Split


Special Features: ‎4 Way Swing, Inverter Compressor, Remote Controlled, Silent Mode, Sleep Mode


Color: ‎White


Voltage: ‎230 Volts


Wattage: ‎1170 watts


Included Components: ‎Installation Kit


Batteries Included?: ‎Yes


Batteries Required?: ‎Yes


Battery Cell Type: ‎Alkaline


Date First Available: July 29, 2025


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Sep 28

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Excellent mini split, quiet, works well.
Quick shipping from Jacks Small Engine, no damage to cartons. Two boxes as usual with mini splits, very well packed by Pioneer. Only minor glitch was I ordered a 240V unit and got a 110V unit. ALWAYS double check the labels, it would have been bad news to connect a 240 V supply to this unit. Easy enough to sort in the breaker panel (this is a shop building), just pulled the ganged 240 breaker, dropped in a single breaker and blanking plate, connected the now open wire to the neutral bus. Easy Peasy. I didn't care, but suspect they would have had the unit picked up and replaced quickly. We had bad weather coming in and this was to replace a failed Mr Cool unit. Once the spring rains start around here the ground is muck for a month or two, so wanted to get the job done while the sun was shining. Pioneer includes some interesting line set gaskets and a sealant that looks very much like Nylog Blue. The line set and flare nuts are very good, I shortened the line set by about 2 feet and the lines cut cleanly and flared very nicely using a good quality offset cone flaring tool and a film of nylog on the flaring cone as lubricant. These units take several minutes of running the outside unit before the inside fans turn on, a bit longer than the Mr Cool units I have in several other buildings. Started to get that sinking feeling on the first heating run, then the inside kicked on and all was well. Once the heat comes on, it's nice and warm. When the next mini split needs replacement or a friend asks what to get the Pioneer unit is very nice for a quite low price. I waited around 3 weeks before writing this and the shop building has been held at 66F the entire time, 70F when I'm working in it. The remote will probably have you scratching your head, the info IS in the manual, but it's all pictograms for modes, the tiny little image that looks like a sun (sort of) is the heat mode. Have to give Mr Cool the point on remote clarity. Maybe I'm just set in my ways but "HEAT" is far easier to figure out the meaning of than a 6X6 pixel image of a vaguely sun like image. I'll get used to it, no harm, no foul. ... show more
Reviewed in the United States on March 4, 2024 by Stanley S.
    • Very Happy so far! 12000 BTU
Review Image by Constitutional conservative Constitutional conservative
Read the instructions twice and started the install! Everything went smoothly. I paid an electrician to install the 15 amp breaker and an outdoor disconnect. The cost for the master electrician was $300. I installed the whip from the disconnect to the unit and called an HVAC specialist to vacuum out my lines. The cost was $150 and he also opened the valves and checked for leaks. I then installed the outdoor line cover, nice clean look! I installed it in early October so I haven’t really used the AC portion, but the heat pump has been running ever since I installed it and is keeping our bedroom and the back of the house 74° it has been from the 50s all the way down to 20° outside and has worked flawlessly! I plan to install a 24,000 BTU unit in the spring for the other end of the house, kitchen living room, etc. The remote control is nice! The unit is very quiet and I am very anxious to see how it does this summer! This can easily be installed by someone who can read and comprehend and has at least intermediate skills. Installing the inside unit would be a little easier with a second person., but I did it by myself no problem! A good friend of mine recommended this to me. He had the same unit and it performed flawlessly for 10 years before he had to replace the outdoor unit.. he also told me that it dropped his electric bill substantially! This is the main reason I went with a mini split and plan to install the 24,000 BTU in the spring. Both units combined will be less than 35 A compared to my 60 amp central unit. The inside portion of the unit is DC and runs all the time the fan kicks up and the oscillator starts when it is actually heating or cooling so there is always air circulating in the room, which is nice! ... show more
Reviewed in the United States on December 1, 2024 by Constitutional conservative Constitutional conservative
    • Super quiet cools very well
Very nice mini split. Super quiet and heats and cools well. Easy installation also. Does require vacuum lineset prior to releasing refrigerant from condenser.
Reviewed in the United States on August 15, 2025 by Gregg E
    • Great unit and easy to install!!
My shop is about 460sqft and an old (40's) detached garage and wasn't insulated. In Seattle, this mean I could really only work there for about 3 months in the spring and 3 months in the fall. It also meant my mill, lathe welder and other machinery and my precision measuring tools had to be coated in protectant to stop the flash rust and corrosion from condensation when temp rise quickly from below freezing. I insulated with R13 in my 4in thick walls and then installed the 12k BTU unit. So far this winter I have had the unit set to minimum heat setting (62*) and 'ECO' setting and the temps inside remain above 60*! We didn't see high temps in the fall after I had finished insulating so, I can't tell how it will be in the summer but so far I'm VERY satisfied. Shipping was fast and predictable. The few things I learned: Aside from the fear of messing something up, the instructions are very good. There are also YT videos to show others doing the installs. I tend to overthink so just following instructions and doing a little research helped. It wasn't clear whether a vacuum was required so I bought a cheap vacuum pump and that worked perfectly. Some say you don't need this. I figured better safe than sorry. It also helps detect if I had a leak so, it seemed like cheap insurance. I mounted mine on the wall and when the compressor unit comes on it creates some vibration. I can hear it inside our house but my wife - who can hear rabbits fart in our yard - says she can't hear it so, maybe it's not as bad as I think. I cut my gas lines so they were as short as possible given the placement of the interior and exterior units so moving the exterior unit to the ground will be a bit of a pain but I will do that. I installed the hose/wire cover to pretty up the install a bit. Plan on making a few trips to the hardware store to get conduit and other fittings etc. I'm very particular about the looks of the install (well, my wife is really and I have to meet her standards) so I took a lot of time to integrate the unit into the existing infrastructure and electrical. I wish I'd done this years ago! Easy peasy! ... show more
Reviewed in the United States on December 29, 2024 by Duane Draper

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