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Della

DELLA Umbra 12000 BTU Mini Split Air Conditioner, 20 SEER2 115V, Energy Efficient, Cools Up to 550 Sq.Ft, 1 Ton Heat Pump, Work with Alexa and Wifi, Ductless Inverter System, Pre-Charged, 16.4ft Kit

Based on 239 reviews
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$859.96
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Availability: In Stock.
Fulfilled by Align Inc.
Arrives Monday, Nov 9
Order within 1 hour and 17 minutes

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At a glance

Condition
New
Set
12,000 BTU - 115V - 20 SEER2
Model
12K1VRH-20S-JPB-I+O
Capacity
1 tons
Dimensions
7.91"D x 31.18"W x 11.5"H
Color
Black
Cooling Power
12000 british thermal units
In the box
Installation Kit

Features 5

  • [ENERGY EFFICIENT COOLING] This 12000 BTU/h, 20 SEER2, 115V, ETL Listed, AHRI Certified pre-charged air conditioner unit features a ductless mini split inverter plus system with a heat pump (up to 5F/-15C) and DC Inverter technology provides up to 40% power savings.
  • [STRONG SYSTEM] This air conditioner is designed with several smart functions that make it easy to use: 4D air flow(up-down left-right), I feel mode, 24 hour timer, sleep mode, eco energy saving mode, multiple fan speeds, turbo function, heating, cooling, dry modes for dehumidifying. Maximum Fuse Size is 20A.
  • [QUIET OPERATION] This air conditioner is ultra silent at only 27 dBa. 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.
  • [AMPLE COVERAGE] This unit is filled with the new R-32 refrigerant to ensure cleaner air quality indoors and outdoors, providing cooling and heating for up to 550 sq. ft. The outdoor condenser comes with an upgraded bottom heating element, delivering efficient performance even in temperatures as low as 5 F. Competitors use an older refrigerant that is more harmful to the environment. If additional refrigerant needs to be added to the lines, check R-32 availability at your local seller.

Description

Which WiFi Channel Frequency Bands Does WiFi Support? DELLA supports the 2.4 GHz WiFi channel frequency band only. How Do I Choose the Right Size for a Mini Split? The size of the mini split depends on the room's dimensions and specific needs. For example: • A 400-square-foot room typically requires a 9000 BTU mini split. • A 550-square-foot room needs 12000 BTUs. • A 1000-square-foot room needs 18000 BTUs. How Do I Install a Mini Split? We recommend professional HVAC installation for best results, but Della also offers a Rental Kit with the tools needed for vacuuming and installing your mini split. What's Della Lifetime Coverage Mini Split? Register within 100 days for lifetime parts coverage. HVAC-licensed installs receive enhanced lifetime parts, while non-licensed installs receive limited lifetime parts. Note: Coverage is for parts only; labor costs are not included. How Do I Clean and Maintain My Mini Split System? Seasonally clean the reusable filters, inspect the condenser and evaporator units, and keep the area around the outdoor unit clear. Umbra 20 SEER2 12K BTU Vario 20.5 SEER2 12K BTU Motto 20 SEER2 12K BTU Serena 22 SEER2 12K BTU TP 23 SEER2 12K BTU Econo 17 SEER2 11.5K BTU

Specs 32

Brand Della
Capacity 1 tons
Cooling Power 12000 british thermal units
Special Feature Alexa and WiFi Enabled, Dehumidifier, Fast Cooling and Heating, Remote Controlled
Product Dimensions 7.91"D x 31.18"W x 11.5"H
Seasonal Energy Efficiency Ratio (SEER) 20
Color Black
Voltage 115 volts

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Nov 9

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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Top Amazon Reviews

Self installation but may still need HVAC Tech to complete installation.
Set name: 12,000 BTU - 115V - 20 SEER2 - 16.4ft...
Review Image by James B. Mcdermott
Review Image by James B. Mcdermott
The condenser (outside) unit is pre-charged; however, the copper lines and top unit (Inside) are not. After connecting the lines, a vacuum must be pulled and tested for leaks. you can rent the install kit from DELLA or purchase this at Harbor Freight and Amazon. It is fairly easy to install but must create a large hole from inside to outside to route the power and freon lines. I installed the unit but hired an HVAC company to pull the vacuum to set the freon. this unit does cool my 550 sqft enclosed porch and works with phone app as well as Alexa. It is very quiet and sounds like a fan running. ... show more
Reviewed in the United States on July 18, 2026 by James B. Mcdermott
It’s a very good unit.
Set name: 18,000 BTU - 230V - 19 SEER2
I installed the unit just in time for the bitter cold we had in the Northeast last January. It kept my house warm and cozy throughout the coldest winter days. Installation was a breeze for me because I’ve installed a few mini splits over the years. Word of caution for DIYers, take your time with it and don’t kink the lines, make sure to thread the lines very carefully and follow the instructions provided with the unit or you’ll be back here writing a negative review about the unit that it doesn’t deserve. It’s a great value for the money and a great addition to any space when installed properly. ... show more
Reviewed in the United States on March 17, 2026 by drixn5078
I love it
Set name: 12,000 BTU - 115V - 20 SEER2
Review Image by Michael Estes
Review Image by Michael Estes
This was best investment I've ever made. I put this on the wall on my porch that I've converted to a sun room. This extra space that I enclosed with plexiglass and wood and sealed with insulation stayed about 20 degrees different from out side. With a window unit and heaters. Now with the split unit it stays what ever temp I want it to be. The della split unit is so quite I have to put my ear on it to hear it run sometimes the out side unit is even quite. If you mount on outside wall that is a little thin and only a few inches thick it might give a little bit of a hum but so slight you have to want to hear it. Turbo cool or heat will cool or heat super fast. The remote is confusing really bad even with the instructions. No real video to watch on it and you can not out it on auto and set a temp. When you put it on auto which is what I use the most your temp is not settable. You can NOT set auto. Not even on the app. AUTO can not be set. I have not found anything anywhere that can tell me how to set auto. Otherwise this is perfect 👌 👍 🥰. I love it. ... show more
Reviewed in the United States on May 11, 2024 by Michael Estes
Works well, but he temperature settings are way off.
Set name: 18,000 BTU - 230V - 19 SEER2
I'll give this unit 4 stars for the quick shipping and well package items. I installed the 220v 18k black unit in my 40ft 5th wheel so that I wouldn't need to run any of the 3 roof mounted units during the summer. I have installed these units before, so installation was straight forward. It did come with clear instructions which fell in line with how these units are typically installed. It's on it's own disconnect at the service panel which makes it run separately without robbing the trailer of it's own supply. The only issue I have is the temperature settings to maintain my desired room temperature. Regardless if I use the app or the remote, in order to keep a temperature of 70 degrees in heat mode, I need to set the unit to 75. If I set it to 70, it will heat the space to 75 degrees or more before the fan slows to a crawl. Living in Arizona, I have had a few days to try out the AC side of this. Same issue. Except I need to set the unit to 86 or higher to maintain a room temperature of 80 or it will freeze me out. I've checked the app, and it states the room temp is 78, with the unit set to 84, and still blows cold. Setting the fan mode to "auto" keeps the fan blowing at speed 1 during AC, where during heat mode, it would lowered to a silent crawl. Once I feel comfortable, I need to change the fan to "quiet" during AC just to keep the room from getting colder. I do appreciate the ability to control this unit from anywhere concidering I travel a lot. Only one time did it have a glitch where it wouldn't respond, so I just reset the breaker. ... show more
Reviewed in the United States on February 24, 2026 by Robert
Worst cut corner ever!!! 1000% don't buy a Della!!!!!!
Set name: 12,000 BTU - 230V - 17 SEER2
Review Image by Ashley G
HOLY COW!!! SERIOUSLY!!! Never in my wildest dreams did I think the mounting bracket for this 12000btu indoor unit would be less than 16"(on center) wide! Leave it to the wonderful folks at Della to cut the most random corner of all time. This unit didn't ship with a mounting bracket wide enough for 97.3% of all American homes!! Even the poorest made Ryan homes have studies that 16" On Center...yet my Della mounting bracket isn't capable! Line set that is too short, sure. Plastic blower fan, okay. Not being able to mount the indoor unit on two studs...MIND BLOWING! Now I have to repack LITERALLY everything and return 100% of it! Thanks a lot Della! ... show more
Reviewed in the United States on April 8, 2026 by Ashley G
Brrrrrrrrrrr Get Your Winter Coat Out
Set name: 12,000 BTU - 230V - 17 SEER2
Put your coat on!! I like the room cold when I sleep. It’s summer in Florida right now and I am using TWO comforters! Love this split unit!!! No leakage. We installed it ourselves so we saved on the installation. Awesome value!
Reviewed in the United States on July 17, 2026 by Lisa Chugranis
Highly recommend
Set name: 12,000 BTU - 230V - 17 SEER2
I have had these for a year and half now with no problems. Low utility bills. Run extremely quiet. Keeps the area extremely cooled at 72 and warm in the winter. No need for alternative heating and cooling. Installation was extremely easy and easy to follow instructions.
Reviewed in the United States on August 11, 2026 by Jessica Williams
Too Cool
Set name: 12,000 BTU - 115V - 20 SEER2 - 16.4ft...
Installed this in my man cave. Cools great. I’m in Texas and the man cave building is black with a black metal roof and this unit was able to keep in cool even on 100+ days.
Reviewed in the United States on September 12, 2026 by Jeff Pearson
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