Edwin
Support was prompt and advisor was…
Support was prompt and advisor was knowledgeable and kind. We were not successful at resolving network connecting system and was told I would be contacted by support tech. Never happened

DELLA creates reliable, energy-efficient home comfort solutions, including mini-split systems, window ACs, portable ACs, pool heat pumps, and more.We’re here to help you find the right comfort solution for your space, backed by 24/7 customer support, a minimum 1-year warranty, and Lifetime Warranty coverage available on eligible DELLA mini-split systems. Shop DELLA online today and bring dependable comfort home.Visit Della Store
Della (dellahome.com) has 763 customer reviews on Five Star Index, with an average rating of 4.4 out of 5.
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Edwin
Support was prompt and advisor was knowledgeable and kind. We were not successful at resolving network connecting system and was told I would be contacted by support tech. Never happened
Garry
Got quick online response
Chris S.
Worst experience ever. Ordered an 18,000 BTU Della Optima mini split use their chat function to order what I thought was what I needed, then I received my order and they shipped me the wrong line set. They tried to blame shipping me the wrong line set on me. Luckily the chat function had saved and I was able to prove it was their mistake. Found the line set locally and installed the unit and it didn’t work. Contacted Della through your technical customer service line and they again tried to blame the unit not functioning on me or on my installation. I contacted a local HVAC tech, who trouble shot the problem and determined the outdoor condenser had a faulty reverse switch. Della agreed to ship me a new one under the warranty and wanted a $500 deposit to do it. They ultimately agreed to ship it without the $500 deposit. I receive the new unit approximately eight days later. I had the same HVAC tech installed the new unit and it had the exact same problem, so at that point I decided to return everything because I was still within the 30 day return window Dellas customer service. Tried to tell me the 30 day return window started when I purchased the unit not when I received it, which was incorrect. Eventually, they agreed to the return and I shipped everything back to them. This whole process took like two months, cost me $1000 in costs to the HVAC tech, and when I finally received my refund, they tried to short me $310. If you look up Della or review any of their reviews on their website, you’ll see nothing but glowing reviews. I assure you, they don’t post the bad ones. During this two months, I posted three different reviews and they never made it to their website. Do not buy Della or fall for their positive marketing schemes. Their stuff is just junk. And no Della, you cannot send me a reply, attempting to fix the problem that you created. Just don’t buy their junk.
Response from DellaJan 29, 2026
Dear customer, I am very sorry about your experience with our product. We would like the opportunity to assist you right away and make this right for you. Please contact us so we can help you with this issue and provide you with the necessary details. Thank you.
John Y.
I would recommend Della. I am just getting started with flip homes and will pry be buying many more units. I had a problem at checkout and their assistance was awesome. Real people answered the phone almost immediately and helped me out. Gave me an extra coupon and my points will give me $67.00 off my next purchase. Definitely recommend!
Mike
Great customer service and easy to work with! Will be shopping here again
Cheryl C.
I bought a mini split when I lived in Arizona. This time I bought a cassette for the ceiling. I thought it would fit in my hallway but no it would my contractor said it was a pain in the butt to install the cassette. Much easier useing the normal mini splits that connect on the walls not the ceiling. Very difficult to install. I mean he did it but it was hard and took way longer then normal
David S.
I purchased a Della Serena 18,000 B.T.U.unit...came with only a 16 foot line...purchased a park model to put it in...realized needed a 10 foot extension for installation at end of the month...looked online for correct one...couldn't find...talked to a representative on phone for correct size I needed prior to ordering...he was helpful but still couldn't find correct one online...called up frustrated...talked to a couple of people...Elizabeth contacted me in a timely manner about my predicament...sent me a link for correct one...ordered it on line...Thank you very much...Della staff...Dave Smith...Satisfied Customer...
Mark J.
Bought 2 DELLAS for my office. This was a DIY project. Very easy installation. Had a little problem. Called in and got a hold of Krystal. Told her the problem and she sent me a video. Very self-explanatory. And had me up and running. Units cool and heat super good for my office. About 800 ft.². Thanks to Krystal for her help and an amazing product.