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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Availability:
In Stock.
Arrives
May 19 – May 27
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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
Capacity: 2 Tons
Cooling Power: 28000 British Thermal Units
Special Feature: Alexa and WiFi Enabled, Dehumidifier, Energy Efficient, Heating And Cooling Function, Sleep Mode
Product Dimensions: 8.07"D x 31.92"W x 11.49"H
Start year: 2021
Seasonal Energy Efficiency Ratio (SEER): 19
Color: White
Noise Level: 41 Decibels
Refrigerant: R-454B
Cooling Power: 28000 British Thermal Units
Additional Features: Alexa and WiFi Enabled, Dehumidifier, Energy Efficient, Heating And Cooling Function, Sleep Mode
Color: White
Noise: 41 Decibels
Refrigerant: R-454B
Inverter Type: Has Inverter
Installation Type: Split System
Compressor Type: rotary_scroll
Is Outdoor Unit Required: Yes
Air Conditioner Application: Residential, Multi-Room
Power Source: Corded Electric
Seasonal Energy Efficiency Ratio (SEER): 19
Efficiency: 20
Capacity: 2 Tons
Form Factor: Ductless mini split
Number of Tubes: 3
Brand Name: Della
Start Year: 2021
Model Name: 1D3-TL+T9912
Model Number: 1D3-TL+T9912
UPC: 192928062397
Manufacturer: Della
Item Dimensions D x W x H: 8.07"D x 31.92"W x 11.49"H
Window Opening Minimum Width: 0.38 Inches
Control Method: App, Remote
Controller Type: Remote Control
Warranty Type: Limited (Compressor Lifetime)
BEE Star Rating: 4 Star
Number of Heating Elements: 3
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
May 19 – May 27
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+9+18
Units run great and quite. Heats and cools fast and the temperature is comfortable. We Love It!
Reviewed in the United States on April 15, 2026 by Holmes burg United Methodist Church
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+18
My central heat pump failed and would have costed me $18,000 for a replacement through a company. Thats alot of money most people don't have including myself. So I decided to take the DIY route and install this unit in my 1800 sq ft house and it was the best decision I could have made. This thing is so much more efficient than my old central unit and zoned temps make all rooms feel exactly how you want. Even on the turbo setting the fan is whisper quiet. Only downside so far is the lack of a fully functional mobile app. Do your research and watch some tutorials and you'll find that this unit is more than worth it.
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Reviewed in the United States on February 18, 2026 by Nick Lockard
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!! :) Coming up on two years later, still loving it, no big issues. My kids generally keep their rooms much colder than I do with mine, I’m at maybe 78°, they are both around 70°. Electric bills, even with the kids temps have never come close to what the electricity wasting central air system cost me. It seems year round, summer or winter, the bills average within $100, and that can be a couple hundreds less than the old summertime bills. The only “issues” are that the app drops its connection to the rooms, very randomly, but it takes a minute to get it back online again in the app. Never an issue using the remotes. The second thing is, the damn kids will still have AC going in their rooms when I want heat. Damn kids!! 🤣 Just something to be aware of, you can’t split the service, you can’t run AC on one, heat on another at the same time. That’s it, all good and still very happy with my purchase.
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Reviewed in the United States on September 9, 2024 by Chris
Size: Tri Zone(3) 28000 BTU 9+9+18
Well we saved money by buying these and doing it ourselves. My husband is a sprinkler fitter and has some construction knowledge. I have a 1000 square ft house and we put one in the basement, one in the living room and one in our bedroom. The window AC were killing us at 400+ electric bills and the house was uncomfortable and not that cool. The window AC if I cooked the house got hotter, but with this unit it was awesome. My bills went down and I was finally comfortable. I have boiler heat in this house and we tested the heat and they work great and if my boiler goes out I’m glad to have a back up. FYI they need a way to drain. I think the drain tubes provided are cheap and you can up grade that
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Reviewed in the United States on November 29, 2025 by Hondacat
Size: Tri Zone(3) 28000 BTU 9+9+12
It works great. Customer service helped me
Reviewed in the United States on March 2, 2026 by Diana
Size: Tri Zone(3) 28000 BTU 9+9+12
Absolutely wonderful mini split combo. Fairly easy to install and incredibly quiet. App functions well.
Reviewed in the United States on July 17, 2025 by Chelsey
Size: Tri Zone(3) 28000 BTU 9+9+18
Be prepared to spend another 2000$ for a Air Conditioning guy. to come out and vacuum it Down and charge it for you
Reviewed in the United States on January 26, 2026 by Pmd