Ive used ACE since the 1990s when I converted my furnace from oil to gas and then added central air. They have always provided high quality service at a good price. Seven years ago we bought a new Lennox furnace from them and I decided its now time to put it and my air conditioner under a maintenance service contract. Their technician showed up within the time window promised. He was friendly, professional and did a great job. Ive also talked the number of ACE employees over the years and from what theyve told me its a great place to work.

Clark C arrived with a mask and his courteous attitude. He performed a thorough check of the heating system. Ace has always had excellent customer relations and service techs.

I used ACE to install a new Lennox HVAC unit in 2016 for our three level townhouse in Falls Church. It wasnt the most expensive unit, but it was a nice one that had some smart innovative features. While it worked decently well for the first two years, we started having issues with the AC not cooling our home in 2019. We had ACE come out several times and seemed to fix the issues, but after a few days, it would go back to not cooling properly. Eventually I was running out of patients and tired of our home being 5-10 degrees warmer than the outside temp.As Spring transitioned to Summer this year (2020), I escalated my concerns and frustration to Neal in ACEs office. He reviewed my customer records and agreed that what we were experiencing was unacceptable. He committed to fixing the issues permanently at no cost to us. It took a couple of diagnostic and repair visits, but he followed through 100% with his commitment and didnt charge us a penny. Our home has never been this cool and comfortable during the summer, and its been so nice given the 95-100 degree days weve had this year. It is wonderful to work with a company that stands behind their work. I ABSOLUTELY recommend ACE to anyone looking for help with their air conditioning and heating needs!

We have been using ACE for over 10 years now. They are an amazing company! Their staff and technicians are very professional and knowledgeable. They are extremely responsive and helpful. Highly recommend maintaining a service contract with them too. They take care of their customers with exemplary customer service!

If you love excellent customer service, great communication, trustworthiness and a smooth process, hire Ace! I purchased my condo about 7 months ago and go figure, the heat stopped working the week the temperatures were dropping! While on Yelp and Angies List, I read excellent reviews on ACE. I knew I had to call and see if they could quickly come out to give me a quote. When I explained my situation, Jamie told me she could send Kevin out later on that morning! I was not only relieved, but thankful.Kevin came right on time and was so nice. I explained what was going on with the current system and how I didnt want to pour money into something that wasnt worth it. He was understanding and then looked at the system I had and took measurements and photos. He told me he would be able to email me with a few options that afternoon. As he left, he thanked me for the opportunity to do business with me (I was really impressed). I was so thankful that Kevin was not only nice but was never pushy. I could tell he wasnt about making a sale and never pressured me to select ACE. As promised, I had the quote that afternoon! His quotes were excellent and competitive and even better then another I obtained. Before accepting the quote, I called and asked Kevin some questions which he was happy to answer. Seeing I didnt have heat, he assured me they could install the new system on Friday (today) which was only 2 days after I signed and accepted the quote.Well, the crew they sent was amazing! Matt and Carlos called when they were on the way and even arrived early. They got right to work but made sure to cover my carpet and floor with drop cloths. Matt was working on the inside unit so I got to talk to him a bit. Both Matt and Carlos were courteous, respectful professional and worked efficiently. Before Matt left, he made sure to show me how the system and new thermostat worked, cleaned up and made sure to answer any questions I had.ACE, thank you for the great customer service and experience. I am so glad I found your company and thankful to have heat before the snow comes!

We had an excellent experience with ACE replacing our HVAC system. Everything was handled promptly and professionally - from the attractive quote, to installation, to followup questions. We are pleased & pleasantly surprised how great it was dealing with their crew for the install.

Been using them for 30 years. Have a contract with them. They lent us space heaters to use til they could install a new furnace. Excellent service and extremely friendly service people.

When we moved into our new home, we called Ace to inspect and clean our HVAC system. The tech, Henry, was great. He arrived on-time, was customer service focused and just a nice guy. I was very comfortable having him in my home. He found our system to be functioning well and didnt recommend any additional work. I will definitely use them again if we have any problems.

Was in hospital and old furnace died. Ace tried to fix it but no parts were available. They bent over backwards to install a new furnace on a Saturday at an excellent price.Use these guys! Very friendly. Very competent!

The ACE team is top notch. We had an air conditioning issue on a weekend and they were out to our house quickly and diagnosed and corrected the issue immediately. Great people - great prices.

I was looking for a quote on a new installation Lennox heat pump and air handler. Kevin was very knowledgeable, timely, and helpful.As their pricing was competitive I decided to go with them.There were 2 installers, Josh and Hersen, led by JR (3 in total).They showed on time, explained the process and started to work immediately. They were very professional and extremely customer service oriented. The installation was well done.Kevin, JR, Josh and Hersen,You have made experience with Ace air conditioning, very pleasant. I will definitely use your services in the future and recommend you to my family and friends.I am very satisfied with their service. Great Job guys!!

Professional and personable.

The most trustworthy and dependable HVAC company in the area.

Great Service!