Air Conditioning Repair Services in Denville, NJ

"Every other review on here is right on. First, Cesar is awesome. He called me back right away on a Sunday night (not expected) and was able to make time to see me the next day. He found a boiler (which I have heard is not very easy right now) and had it to my house for the end of the week. He had the old failing heater out and the new one installed (nice, clean install) in one day. Throughout the entire process he was very communicative. The crew wore masks in the house (as did we) when interacting with us which I appreciated and they were very careful to treat the house with care by putting down runners, taking off shoes, shoe covers, etc. Today (second day) they came back and are doing a final cleanup and reviewing any last minute issues. I screwed them up and caused an issue with a T-Stat and Cesar took the time to a. fix it and b. make sure I understood the right way to do it and how to configure it going forward. I really cannot recommend these guys enough. I am beyond impressed and feel very lucky that I found them for my boiler. The price was very reasonable especially considering the time frame they were able to turn it around in."

"They arrived as promised. They resolved the issue very effectively. Alex was professional and provided full explanation of the issues. Their fee was fair. I will definitely call them again for any HVAC."

"Sam was extremely professional and took the time to explain all options and answer questions. Reliable and arrived on time. I would recommend this company and plan to use them for the future maintenance needs."

"Miguel's team has provided quality service and setup the generator within scheduled timeframe. The team is also very prompt on addressing the issue inspectors found without delaying the target date. We are very satisfied with the service Miguel's team provided. The generator has picked up couple of power outage within 10 seconds, we never have to worried about loss of power for days like what happened last year in New Jersey."

"They did a great job"

"My furnace broke in the morning and by the evening I had a new one in place and a warm house. great service quick and friendly, very helpful, thank you"

"Quick, responsive, and diligent."

"Sterling Heating & Cooling saved the day! Our heat went out, and my husband has a number of medical conditions and cannot tolerate being too cold. Sterling came promptly and they were able to identify and repair the issue within an hour. They were pleasant and customer focused. I would highly recommend Sterling Heating & Cooling!"

"able to get issue redolved in 2 days gave info before beginning any work techs very courteous"