Della Reviews 572

TrustScore 4.5 out of 5

4.5

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Review summary

Created with AI, based on recent reviews

Evaluating 389 reviews, reviewers overwhelmingly had a great experience with this company. Customers frequently praise the excellent customer service and technical support, highlighting the helpfulness and patience of the staff. Many people are impressed with the quality and efficiency of the products, noting their quiet operation and ease of installation. The overall user experience, from product functionality to support interactions, is consistently described as positive and satisfactory. However, some customers also noted issues with product registration for warranty purposes, receiving incorrect parts, or experiencing product failures shortly after purchase. A few other people also felt that customer service was unhelpful in resolving these issues or that the product quality was poor, leading to frustration and additional costs.

What people talk about most

Product

Reviewers mention positive feedback about product, with many expressing satisfaction with the quality and... See more

Customer service

Users describe positive interactions with customer service, often highlighting the helpfulness,... See more

Quality

Reviewers highlight positive aspects of quality, frequently praising the units for being quiet and efficient,... See more

User experience

Consumers find user experience to be positive, with many reviewers highlighting the ease of installation and... See more

Staff

Customers consistently note positive experiences with staff, highlighting their politeness, professionalism,... See more

Reviews shaping this summary

Rated 5 out of 5 stars

Service is where companies really differentiate themselves. My Della mini-split stopped working and I needed help fast. Sandra in tech support was patient with me while expertly walking me through the... See more

Rated 5 out of 5 stars

DELLA Optima Series 23000 BTU 23 SEER2 Ultra Heat Mini Split AC Excellent working Energy Star efficient product. Item as described that contained all necessary parts to complete the installation. Cus... See more

Rated 5 out of 5 stars

I am so impressed with our Della 12,000 BTU 115V mini split! It is whisper quiet, was straight forward to install, and the support from the company was phenomenal. I highly recommend using the rental... See more

Rated 5 out of 5 stars

First of all the fireplace cabinet is beautiful! My kids bought it for me for Christmas last year and I've enjoyed the ambiance it gives but had never used the heater! My furnace quit working so I tur... See more


Company details

  1. Air Conditioning Store
  2. Air Conditioning System Supplier
  3. Furniture Store
  4. Heating Equipment Supplier
  5. Home Improvement Store
  6. Pump Supplier

About Della

Written by the company

DELLA breathes life into the appliance industry with brilliance and innovation at its core. We’ll help you enhance your home with newfound ambiance, comfort, and temperature with portable ACs, mini-splits, window ACs, and more exciting new products. Every purchase comes with free shipping and a minimum 1 year warranty. Buy Della online today and enjoy unrivaled comfort and quality!

Visit Della Store

Our Commitment to Comfort

Written by the company

At Della, we design high-quality air conditioners that quietly cool and heat, built for your space and your life. Our models blend in effortlessly, delivering just-right temperature control from summer highs to winter lows. Reliable. Subtle. Comfort that works behind the scenes so that you can feel more at home, every day.

Lifetime Coverage

Complete protection for the heart of your mini-split.

Enjoy ultimate peace of mind with our lifetime coverage on the compressor for your mini-split system. To qualify, you must register your unit on our website within 100 days of purchase. This simple step activates your lifetime coverage and protects you from costly future repairs.

Contact info

Promotion box for Della

Efficient Comfort, Lower Bills

Save money with quiet, high-efficiency cooling and heating.

4.5

Excellent

TrustScore 4.5 out of 5

572 reviews

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1-star

Asks customers to review

This company invites their customers to review, whether positive or negative

Replied to 95% of negative reviews

Typically replies within 1 week

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Rated 5 out of 5 stars

Customer Service

I want to say when this unit is working it works great! Well I was having problems with it and contacted Della's customer service and they were very kind and supportive and ended up shipping me out a new unit. Definitely recommend this company.

April 27, 2026
Unprompted review
Rated 5 out of 5 stars

Great communication on delivery status

Great communication on delivery status. Just installed my 36K mini split at my 1200 sq. ft. shop in east TX. Did the entire install with electric myself. Used the Della install kit along with my own nitrogen tank for leak and vacuum testing. Cut and flared the lines to length. After all said and done, it was time to start it up for the first time. All went well and immediately started cooling my shop down. So far, so good.

April 9, 2026
Rated 5 out of 5 stars

Nice system

Very nice system and had everything to hook up from a disconnect

Only issue I seen was it did not come with a thru the wall tube just the outer ring

April 7, 2026
Rated 5 out of 5 stars

Della Customer Service Is Awesome

I purchased A Della Mini Split through Della's website because I wanted to make sure if I needed customer service Della would know I purchased through them. I have to say I needed some further guidance for my unit that I just received and all my questions were answered professionally and politely by one of their reps named Hector. What a super nice guy working for a great company Della. Will always feel comfortable choosing Della.

April 17, 2026
Unprompted review
Rated 5 out of 5 stars

Soild Products - Great Support

1 - I like Della products, have purchased multiple units, and have recommended them.
2 - I have been happy with products, the output, and overall finish/quality standards.
3 - Had to deal with service as had an issue with a unit - great experence. US number, knowledgeable support staff, Elizabeth (Lizzie) was great and really helped without really any hassle - truly wonderful experience and so many companies could learn from Della support...
In sum - solid company, products, and support - highly recommended.

April 16, 2026
Unprompted review
Rated 5 out of 5 stars

Great customer service

My unit broke after about a year of being installed. I called customer service and spoke with Lizzie, who was quick to respond and get the answers I needed for my warranty. Within 24 hours, a new unit was shipped out to me. A pleasant experience

April 14, 2026
Unprompted review
Rated 3 out of 5 stars

Della Motto 12K unit (on sale): Newbies READ this prior to purchase/install…

Part of my experience is the model I purchased….part is the manual/customer service. The unit Is installed, and working, and putting out VERY cold air, and with a 25ft line-set. The oscillation is a little noisier than I anticipated, but can always be shut off. We’ll see how long it lasts.

The bad:
Non-existent customer service, installation kit arrived late, and with an inadequate amount of oil (costing me an entire day to find, and $10). The manual was so inconsistence, incomplete, and/or conflicting (regardless of Della product used, and in my case that was 3 of them) that, that issue alone almost derailed this entire install. And, Della’s ACTUAL customer service is only available Mon-Fri, and even, then, unreachable (and I never got a call back from the one message I did leave). The weekend “chat” support is Chinese (or may as well be). It took close to a hour to get 3 questions answered via the chat, two of which weren’t really “answered”, but very nice people, who credited me $30 for my “troubles”.

Installing the inside unit is never the hard part with these. However, the template (at least with the Motto unit) is either incorrect, or the design of the Motto is poor, because where the pass-through is drilled on the cardboard template, it will stick out of the bottom of the unit by roughly 3/4”, and doesn’t look “clean”. And, with the Motto, you’ll want to cut the hole on the left, and connect the line set INSIDE the room, with the unit on the wall (The DIY HVAC GUY does a GREAT video on this). There’s just not enough length on line set (12” on the Motto) coming off the unit to bend the pipe out, then fed through to the wall, like 99% of the videos online (hopefully that makes sense):
***This caused a HUGE problem with our install, and, significantly-changes how this model is installed (virtually NO info is available on). It’s also the first time I’ve seen this kind of line set, layout for a mini-split. It’s not harder, it’s just different.***

Customizing the line-set/re-flaring:
This is my first Della mini-split install, but my 3rd mini-split install over-all, and while ALL line-sets are “sensitive”, I’ve NEVER seen/used copper SO incredibly-brittle, and fragile. If you’ve got to cut/flare your fittings, you’d better make sure you’ve got pro tools to do that job, or you’re VERY skilled with the tools you DO have. It could either be bad luck, with crap Amazon kits (which were recommended), or the HVAC Pro’s make this look VERY easy…but the Amazon flaring kit I got BARELY worked for this install. That could’ve been the horrible-quality, copper, or a bad kit. A newbie will screw it up 4-5x’s….not 10. Same with the demurring tool. Go the extra mile and rent, or purchase/renturn pro tools for that purpose. And, for the newbies at that type of thing, like me, purchase a 3-5ft piece of copper to practice cutting & flaring on, prior to working on the line sets, to familiarize yourself with the tools you ARE using. Just my two cents. That said, of all the issues I had, the cutting/flaring wasted least amount of time.

Torque wrench:
If you don’t know what you’re doing this (in a HVAC setting) it may as well be French. Again, the manual is horrible. And, weekend chat is worse. But, (at least in my case) the amount of pressure needed to tighten these connectors is FREAKISH (others have commented on this, as well).

***Attn: Della: This is a DIY kit, which means the majority of people installing these units are NOT HVAC Pro’s…..hence the term “DIY Installation kit”. You need to have tech’s available to answer questions (most of which will be VERY simple, and prevent a LOT of unnecessary grief 90% of which is caused by incomplete/conflicting info in Della’s own manuals).***

With ALL that said…. 3-stars because the unit (as stated) IS installed, and working very well….which was the goal. Now, that I’ve installed one, another unit would go much….MUCH smoother, and I’d probably go with a more powerful/efficient unit. This was 12K, unit, that was on sale. I don’t need more power, but the more powerful units seem to be more efficient, and quieter, on their lower settings.

My suggestion is stay away from the manual, or use it as a VERY general “check-list”, and watch the “The Kelley’s Country Life” video for the installation kit “How To’s”…and DIY HVAC Guy for how to hang & connect a unit like the Motto where the line set has to be connected in the room, under/behind the unit. And, the wire less app is very practical, and for reasons I’m still learning has a different functionality. I prefer it, so far.

Hopefully, this will last at least 7-8yrs. Would be at least 4-stars had it not been for the customer service/manual issues.

Good luck! To all going down this road…

March 31, 2026
Della logo

Reply from Della

Dear Customer, we are very sorry to hear about your experience and sincerely apologize for the frustration and inconvenience this has caused. We take your feedback seriously, especially regarding our customer service and documentation. This is not the level of support we aim to provide, and we will review the issues you have raised to improve our service and instructions going forward. We would also like the opportunity to better understand your situation and provide direct assistance. If possible, please contact our customer support team by phone at your convenience so we can help resolve any remaining concerns.
We truly appreciate your time in sharing your feedback, and we hope we can improve your experience with us in the future.

Rated 5 out of 5 stars

Outstanding Customer Service!

I purchased a complete mini split unit from Amazon. Installed and the unit worked for a few weeks and then stopped. Hired a tech who said a service port leaked and let the refrigerant out. Della honored warranty and sent me another unit. Installed and this one worked, but iced up in 15 minutes. AC tech comes and says its a valve in the unit, he said he couldnt find any kinked lines. Della again sent me another unit. Installed and this time checked all lines myself (electrician and plumbers had worked in the attic) and I found a kinked line. Replaced and the new unit works as it should. I received outstanding support from Della, above and beyond what I would have expected. I actually sent them a note thanking and apologizing.

April 9, 2026
Unprompted review
Rated 5 out of 5 stars

Good quality better customer service

Looks like a good quality product that integrates with my internal home network. I however ordered the wrong hoses but was able to contact customer service for an easy exchange. Very easy installation and keeps my house cool starting with my sunroom.

April 14, 2026
Unprompted review
Rated 5 out of 5 stars

Great support

I had some issues with my unit, and was worried that the warranty would give me the run around. I spoke with someone named Lizzie and she was super nice and very helpful at correcting the issue. It's a huge benefit to know you can get ahold of someone who will actually make things right in the event of a problem.

April 13, 2026
Unprompted review
Rated 5 out of 5 stars

We only use Della Mini Splits

We are a small HVAC company in Texas. We've used Della Mini Splits for the last year and our customers love them. Especially the ease of use and the warranty.
We love their fast shipping and customer service.

March 26, 2026
Rated 5 out of 5 stars

Superb customer support

I am writing to express my sincere appreciation for the outstanding support I received from Joey K regarding my Della mini split air conditioner. I needed assistance in securing a replacement part for my unit, and Joey made the entire process incredibly smooth and efficient.

March 19, 2026
Unprompted review
Rated 5 out of 5 stars

With the right installer, you cant beat it!

I find this system of heating and cooling highly effective and affordable. The system is designed to fit into a house with less visual dominance than the others. It is affordable.
My experience was enhanced by Don Leitch, the installer, and his crew. They were expert in their assessment and installation. No time was wasted and I found his pricing fair.

March 20, 2026

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