DELLA 28K BTU ODU Mini Split AC Tri 3 Zone (9K 9K 12K BTU) 20 SEER2 208-230V Works with Alexa and Wifi, Cools Up to 1350 Sq.Ft, Energy Efficient Multi Zone, Pre-Charged Heat Pump, 16ft Kits
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Extended holiday returns
Returnable until Jan 31, 2026 Learn more
Returnable until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Dec 25 – Jan 2
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Size: Tri Zone(3) 28000 BTU 9+9+12
Features
- [ENERGY EFFICIENT COOLING] Della 3 Zone 28000 BTU/h, 208-230V, 20 SEER, ETL Listed, AHRI Certified, DC Inverter technology provides up to 30% power savings.pre-charged air conditioner unit features a mini split inverter plus system with a heat pump (up to -13F/-25C). (This model does not support the Self-Cleaning Function. The option will still show on the display after pressing the self-cleaning button, the self-cleaning operation will not be performed.)
- [MULTIPLE ROOMS] Enjoy individual temperature controls in each room for ideal climate control. Comes with 3 indoor air handlers 9000 BTU + 9000 BTU + 12000 BTU with separate controller for individual rooms and 1 outdoor condenser. Maximum Fuse Size is 30A. 3 pcs 16ft copper pipes lineset (Standard size 1/4" & 3/8" outer dimension), 3 pcs 6.56ft outlet drain pipe (inner/outer diameter size:15.5mm/16.9mm) and 3 installation kits included.
- [QUIET OPERATION & INSTALLATION] This air conditioner is ultra silent at only 29 dBa. This system mandates professional installation, any alteration of line-set length requires adjusting freon levels, line-set vacuuming is required during installation. The unit provides equal airflow in every part of your room and can adjust to 60-90 degrees Fahrenheit to suit your comforts in just a few minutes - it's not a DIY mini split AC.
- [AMPLE COVERAGE] Full installation kit included. It works with Alexa. Able to work in environments as low as 5 degrees Fahrenheit. This unit provides cooling and heating for up to 1350 Sq. Ft (2 indoor unit recommended area 400 Sq. Ft, another one 550 Sq. Ft).
- [STRONG SYSTEM] This air conditioner is designed with several smart functions that make it easy to use: turbo function, 4D air flow(up-down left-right), I feel mode, sleep mode, eco energy saving mode, 24 hour timer, multiple fan speeds, heating, cooling and dry mode for dehumidifying.
Brand: Della
Special Feature: Dehumidifier, Sleep Mode
Product Dimensions: 8.07"D x 31.92"W x 11.49"H
BEE Star Rating: 4 Star
Seasonal Energy Efficiency Ratio (SEER): 19
Color: White
Noise Level: 41 Decibels
Refrigerant: R-454B
Power Source: Corded Electric
Form Factor: Ductless mini split
Manufacturer: Della
Part Number: 27K+T9912_2
Item Weight: 186.2 pounds
Product Dimensions: 8.07 x 31.92 x 11.49 inches
Item model number: 1D3-TL+T9912
Size: Tri Zone(3) 28000 BTU 9+9+12
Color: White
Power Source: Corded Electric
Installation Method: Split System
Item Package Quantity: 1
Sound Level: 41 Decibels
Special Features: Dehumidifier, Sleep Mode
Batteries Included?: No
Batteries Required?: No
Date First Available: May 10, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Dec 25 – Jan 2
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: Tri Zone(3) 28000 BTU 9+12+12
The system is Great-Super Quiet and Efficient. BUT if you buy directly from Della's website they have better customer support for switching parts like linesets lengths(copper and electric lines from outdoor unit to indoor units) for free and warranty details. For a 1200 sqft house we bought a 27K BTU (3 indoor unit system, 9K, 9K, & 12K) that came with 3 16' linesets, but we needed 2 50' linesets. If we bought from Della directly they would have exchanged for free, but buying from Amazon we had to put out another $600 for 2 longer linesets. Easy to install if you're an avid DIY. No ductwork, which is excellent for flood areas. Mount units on wall, run linesets (in or thru walls) to outdoor compressor, run 220V service to outdoor unit with a disconnect. We built a 5' high stand for outdoor unit. We had a HVAC company come to make the final lineset connections and startup (about $500). Haven't had a need for the heating part; will update later. Wish I had done this years ago!!!
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Reviewed in the United States on June 23, 2025 by don morlock/Dana Schmidt
Size: Tri Zone(3) 28000 BTU 9+9+12
Absolutely wonderful mini split combo. Fairly easy to install and incredibly quiet. App functions well.
Reviewed in the United States on July 17, 2025 by Chelsey
Size: Tri Zone(3) 28000 BTU 9+9+9
The old, undersized central air was not cutting it. I spent a while researching mini split units and decided to go with Della. Having never installed one before, I read a bunch, watched a lot of video, went for it. Took my time, took two days to fully install the three indoor units, in very hot weather. If you are a DIY'er, I would not hesitate to install one of these. Bending the copper, just take your time, support the bending, all good. One unit is not on an exterior wall, I tried two different pumps, one did not work at all, the other was questionable, I ended up doing an alternative drain hidden in closets to the garage and the washing machine drain, much better! If you can, forget about the pumps and figure a way to drain using good 'ol gravity. Saves you money, works better, no additional maintenance issues. The kids, having their own control of their room, and with their doors never left open, these units work so much better. Using the app on my phone I can see just how cold they keep their rooms. Quite cold!! Once the room is cooled, the unit is really not working much to maintain that temp. Still waiting for my first bill!! :)
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Reviewed in the United States on September 9, 2024 by Chris
Size: Tri Zone(3) 28000 BTU 9+9+18
Works great
Reviewed in the United States on July 27, 2025 by Marlene
Size: Tri Zone(3) 28000 BTU 9+9+18
Well we saved money by buying these and doing it ourselves. My husband is a sprinkler fitter and has some construction knowledge. I have a 1000 square ft house and we put one in the basement, one in the living room and one in our bedroom. The window AC were killing us at 400+ electric bills and the house was uncomfortable and not that cool. The window AC if I cooked the house got hotter, but with this unit it was awesome. My bills went down and I was finally comfortable. I have boiler heat in this house and we tested the heat and they work great and if my boiler goes out I’m glad to have a back up. FYI they need a way to drain. I think the drain tubes provided are cheap and you can up grade that
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Reviewed in the United States on November 29, 2025 by Hondacat Hondacat
Size: Tri Zone(3) 28000 BTU 9+9+12
Not as easy of an install as I would have liked but definitely doable. That's the only reason it's not getting a 5 star, I feel like something I order off Amazon should be very DIY. The product cools great and it's quiet inside and outside. I did have to order the 50 foot kit to get all 3 units hooked up where I wanted them.
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Reviewed in the United States on July 19, 2024 by Michael
Size: Tri Zone(3) 28000 BTU 12+12+12
We installed two of these and a dual head unit in a church. Couldn’t be happier!!
Reviewed in the United States on November 25, 2025 by Robert Robert
Size: Tri Zone(3) 28000 BTU 9+9+12
This is the best investment that I have ever made in my home
Reviewed in the United States on August 1, 2025 by John Curtis