These guys were awesome! I would not hesitate to reccomend them to anyone looking for a great outcome at a very competitive price!

AN UPDATE! Because this is a long term and significant investment. Given San Diego's recent heat wave, I was thinking more about our experience with Michael and his team and was compelled to write an update. During the sweltering 98+ degree days we saw recently, our AC system that Della-Mora installed was FLAWLESS. We were so grateful, as we mostly work from home- it was important to ensure uptime and performance was as perfect as possible, and it was. Thanks again team! read more

Excellent service! Highly knowledgeable, excellent communication, fair pricing. Professional AC service and sales. Highly skilled. Highest recommendation! read more

I don't write many reviews, but Michael and the entire Della-Mora team absolutely deserve this one. Throughout our extensive home renovation, I've dealt with dozens of contractors across many specialties. Michael stood out immediately for his honesty, integrity, knowledge, and genuine commitment to customer service. He drove from Chula Vista to Carlsbad to inspect our HVAC system and took the time to carefully access and inspect the difficult-to-reach evaporator coil and blower motor. After doing so, he honestly told me that **neither needed to be cleaned**. He could have easily performed the work we had scheduled and charged me, but instead he recommended that it was unnecessary. I even offered to pay him for his time and long drive, and he refused. He was also incredibly knowledgeable about our older HVAC system and caught an issue with advice we had received from another company that could potentially have damaged our exterior unit. He clearly knows his craft and, more importantly, puts the customer's interests first. Michael told me he wants to bring genuine customer service back to the industry, and he absolutely demonstrated that. His integrity isn't just something he says--he proved it by choosing not to sell me unnecessary work. I've already referred him to my family and will absolutely use Della-Mora for future HVAC needs. If you want an honest, knowledgeable, and genuinely customer-focused HVAC company, I highly recommend Michael and Della-Mora. read more

I had a great experience with this company. My AC was not blowing out cold air. He quickly diagnosed the problem, explained exactly what was going on, and provided a fair, straightforward quote. I really appreciated that he didn't try to upsell me on unnecessary repairs or replacements. He was honest, transparent, professional, and came across as very knowledgeable and trustworthy. It's refreshing to work with someone who puts integrity first. I'll definitely be using him again and wouldn't hesitate to recommend him to others. read more

Great service, excellent communication. Would recommend them to others. Trying to make this the required amount of characters.

Highly recommend. Honest, reliable, professional, knowledgeable, on time, everything was perfect, I will be a return customer. Thank you Michael. read more

Michael was in our neighborhood working on our neighbors AC. As i dove by i approached him after he finished with the neighbor's house if he could drop by and give us a free estimate to service our AC since it was an older unit that was on the fritz no longer pumping cold air. He said sure! He came by inspected the unit i turned it on he quickly found and resolved the issue it was a breaker issue, he later said that the R-22 was sufficient enough and educated us on how older AC functioned Michael was highly knowledgeable, friendly, polite and professional. Lucky me all free of charge since he was in the neighborhood servicing the neighbor's house. Thank you, Michael in a world of takers you are certainly a giver. I Highly recommend this guy! read more

Company gave me and appointment with a 2 hour window. No showed! Would have been nice to at least receive a phone call. Wasted my time.

Not only did they respond quickly, they resolved the problem that other heating and air companies did not. I was so impressed with the knowledge and professionalism and of Della-Mora technician Michael I would 100% recommend Della-Mora over any other Heating & Air company. read more

This is a company operated with integrity and expertise. This was my experience and although we are not utilizing their services I recommend Michael and this team confidently. The only reason we are not proceeding is due to their assessment of the service requested by us being nonsensical. Could they have completed the task I requested, 100%. Could they have made a few bucks doing so, absolutely. Would they allow me to simply pay for something that would not provide our home and family with the benefit I assumed it would, absolutely not. That is why I am confident in their workmanship, approach and ethics. They were the 3rd HVAC company to do a site visit and discuss the project. They took the time to look at it from a variety of angles and made a coherent case that the Juice wouldn't be worth the Squeeze. Five stars and communicate with them confidently. read more

These guys were great. I had a mini split install I was doing myself. I got to the point where I did not have the tools needed. I contacted them and they came out the next day and finished up the installation Verified work done and tested everything on their end to ensure safety of the unit. I would highly recommend this company read more

Michael from Della-Mora is the nicest guy. I sent a message on a Saturday and he called me back in about 5 minutes. I explained to him that SDG&E shut my air off saying I needed my Ducts cleaned before it was safe to run. He came out on Tuesday looked at the ducts and assured me that it was safe and turn my AC back on. He even looked at a couple other items I was concerned about and advised me what to do. The amazing part is that he did not charge me for his time. It's so refreshing to find a company you can trust to tell you the truth and not just charge for things you don't need. I would recommend this company 100%. read more

Mike was awesome helped us save money and the worker that install the unit awesome worker. Love the guy. Price is very good.

It's a rare thing these days to meet someone like Michael. He was able to fix an issue with our portable spot A/C right away and also gave us an affordable and practical way to keep our employees cooler without resorting to expensive solutions. He was an absolute professional and I really appreciated that he took his time to explain things to me which he didn't have to do. The best quality I can say is that he is very honest and doesn't try to take advantage of anyone. I'm really glad we had the opportunity to find them and the next time we have issues with our A/C they are the ones we will go with no question. I'm really impressed with their service, quality, which is not easy to find these days. Give them a chance and you won't be disappointed! read more

I had an issue with the noise on the unit and they came back and put some dampeners. It turns out it was actually the register that was 50 years old clanking. But what I made my concern known they were quick to get on it and set a crew out to work on making it right Straight forward, no bullshit Good guys ! read more

Wow! There is not many companies out there that will help you without asking for money first. Michael shot me a text after I sent in an estimate and walked me through my issue after 9pm. Great genuine guy and business! Will definitely be a company I will utilize when needed. read more

Michael is awesome. Provides honest suggestions to fix your ac issues. He recommended a few checks while on the phone call with him before scheduling a repair appointment. My ac issue is resolved by his advice on the phone and did not require a technician visit. I would honestly call them for any future ac/heating repair/issues just from how he handled the phone call. read more

Thank you Mike for coming to the rescue and fixing the AC. My AC of course decides to blow out on a Friday night, during a heat wave, during a heat wave. He was able to get my AC working so I could enjoy the rest of my holiday weekend. Thank you Mike for your honesty and quick work. It is appreciated! read more

Very professional! Beyond expectations! Definitely contact them if needed. Recommend to everyone. It is a very honest and professional business. read more

So a little background: my 83 year old mom has his radiant heater system that she loves. Finding someone who has the knowledge to fix the boiler system has always been a challenge. Most of the companies don't know how to repair the system. Michael knew exactly what went wrong with the system and he knew the challenges of finding the right parts to get the system running. He kept me up to date on his design proposal and status of the project. Michael fixed the boiler in a few hours and had the heater running again. He even followed up the next day to make sure the heater was functional and if we were happy. The professionalism, timeliness and ability to troubleshoot a complex problem willl keep me going back to him Thank you Michael! read more

Della-Mora Heating and Air Conditioning - The Boiler - Heating & Air Conditioning/HVAC Near Me - Chula Vista, California

My A/C went out in the heat wave. I called a couple of companies in the area and got no responce including from the orignal contractor. Silvia was able to schedule Michael later that day he came out ontime and was able to get us up and running. This was a temperary fix because he needed aditional parts he needed to order. I was scheduled for aweek later between 12-2. Michael was right on time at 12 and completed to install additional parts. He advised me on how to keep my A/C running more efficiently in the future. I can't say enough about the Quality of service from Michael and his company! Oh the price was also reasonable. read more

Before finding Della-Mora I had two other services check out my system and I got two very dramatic causes and estimates. Not wanting to proceed with either one I took another look around and found Mike. He was extremely accommodating to my schedule and their staff was very friendly. He showed up and within 10 minutes he knew what the problem was and the estimate was mind bogglingly low . Just 45 minutes later he was done. Very professional and he knows his stuff. He didn't have that deer-in-the-headlights look on his face when he saw my 49-year old system like the other guys. He knew what he was doing. I will definitely call him again. Thanks Mike. read more

Great overall experience. I was screwed over by a company that closed their doors and screwed up my system. Della-Mora took care of all the issues at a reasonable price and with great service. I would absolutely recommend them and I will be using their services from now on. read more

Mike was exceptional! From the initial consultation to the final installation, every step of the process was handled with professionalism and expertise. read more

Dell-Mora Heating and Air were top notch. Mike basically fixed what another company messed up and installed a new AC unit. Literally went out of his way to fix the furnace when he didn't have to. Mike was honest, super knowledgeable and never tried to upsell me on anything. You can tell Mike truly cares about his business and profession. Thank you! read more

We called Della -Mora after our air conditioning unit shut off. Della-Mora was the second provider we had called out for the issue that temporarily fixed the problem but it returned a week later. Thanks to Michael's expertise he was able to diagnose the issue and fix the root problem that got the system back up and running. The price was reasonable and more than worth it for the service. I never felt like Della-Mora was trying to take advantage of us or try to upsell us on anything. I would recommend them to anyone having HVAC issue who want an honest assessment and quality work done for an honest price. read more

Thank you so much to Michael and Sylvia! After countless calls to other companies Della-Mora was the only company that was able to help me within 48 hours. Michael was professional, knowledgeable, and fixed our AC. He even drew out a demo of what was wrong with our AC unit so we could fully understand what was going on. He was constantly in touch with us which is not something you get these days from other companies. This is a budget friendly company that provides excellent work. I will definitely keep them on my AC maintenance! read more

Michael (owner of Della-Mora Heating and Air) installed my HVAC a few years ago and recently performed the periodic maintenance. He is very professional, honest and his work is top notch quality. Bonus is great pricing and he does not try to up-sale. Highly recommend Della-Mora Heating and Air all HVAC needs. Outstanding service. read more

Mike came in after a shady HVAC repair company came in and sabotaged our A/C and tried to upsell us for $12K after we called them simply for a leak. In less than 5 minutes of being in our home he not only fixed the issue caused by the other company he diagnosed and fixed the leak. Mike was in and out in less than 15 minutes!!! I highly recommend him he is a straight shooter and will do the most to keep money in your pocket! He even discounted our services due to the shadiness we had already encountered that day which he didn't have to do. read more

Love our new split heater/a/c unit in the church! Now know what we've been missing and I can even sleep in a little longer before worrying about taking the chill off our chapel. The new 3 ton unit is even better than expected. Thanks Michael-Nice Job! read more

Just wanted to update since my last review: After fixing my wall unit and talking with Mike we decided to have Della-Mora install a whole home heat pump system including duct work and I could not be happier! He's fantastic to work with and a real problem solver with navigating my 1950s home. I cannot recommend them enough! Honest, affordable and just an all around great experience. We have a couple more projects in the works and I'm excited to see it all completed! Thanks again Della-Mora! read more

The team at Della-Mora was on point. They can out to review the project, did the assessment and when they had everything needed the reached out and scheduled the install. Very professional and good communication. Thank you read more

Michael is great! He is very knowledgeable and extremely talented. He came out to provide a quote to repair the heater that is part of my heating, ventilation, and air conditioning (HVAC) system. I mentioned to him that in addition to the repair, I was interested in switching the gas system to an electric unit. He did an inspection and provided a quote. As he begun the work and started removing the old and damaged system he noticed that the home builder had cut corners and made mistakes. As the job progressed it became clear that it was a larger project than expected due to shoddy original work including some components that were mis-matched. I stated that I was comfortable with a change order and revised estimate because there was no way either of us could have known the extent of remediation that had to occur. Michael stated that he never increases his price after an estimate. He is refreshingly straightforward and honest. I provided a tip, and even now feel like I got a great deal from him. Further, he saved me money by reducing the size of the unit we were going to use after determining we could go with a slightly smaller unit which would still effectively heat/cool the home. This not only saved me money in the installation but will also reduce my electricity consumption and bill. Finally, he's a good guy. My dog, who I love, can be a yappy monster when people come and go that she does not know. She calms down once she sniffs the person. Every time Michael came and went through the room he would stop and let her sniff his hand, even when he was carrying items. This was a great experience and a great value. I would recommend him to anyone who is looking to have their HVAC system repaired or replaced. read more

AC wasn't blowing cold air and Michael came out the same day I reached out to him. He really knows his stuff. He was super professional and friendly. Price to fix was super reasonable. We will be calling Michael for all our future HVAC needs. read more

Very happy with the service. We had a mini split that smelled like death and needed to be cleaned. Job turned out to be more complicated than originally anticipated but Mike went above and beyond and now the mini split runs like new with no smell. Will certainly call him the next time my HVAC needs attention. read more

Michael was such a professional when it came to installing our condenser unit. He went above and beyond to turn off zoning and also installed or new Wi-Fi thermostat. His honesty throughout the process was a breath of fresh air. His prices were the best from several business that I called for what I needed. I would not hesitate to recommend Della-Mora Heating and A/C . Thanks again Michael. read more

Michael was professional and knowledgeable. He listened to my concerns and explained the situation in detail. He didn't try to upsell me and didn't want me to throw money at the problem if it didn't fix the underlying problem. The cost was very reasonable. I will use Della-Mora again if needed. read more

They were very professional and clearly knew what they were talking about from the first call I had with them. Their quote was the lowest and of all the calls I had made to different companies, Michael was the most straight forward and direct as well as knowledgeable. I had to wait a couple of weeks for an opening in July for an opening. In and out in a couple of hours and price was as promised. AC is still going strong. They provided me a 1 year guarantee as well. Would use them again, and I highly recommend to anybody seeking AC services. read more

Our air conditioner stopped working and Mike was available and came by right away. He got out unit working within minutes. Much appreciated as it was a hot day and he helped us quickly and professionally. We will reach out again in the future. read more