If I could give John more than 5 stars, I would. One of my central ac units bombed out on one of…read morethe hottest days. He squeezed me in the same day. He said he was coming at 5, then was running late but communicated he would still be there as soon as he could. This man came at 930 at night--when most people would've already been home in bed, and said I'm going to keep my word and I told you I would come so if it's still okay and not too late I'm 10 mins away.... He showed up; Diagnosed everything, gave us a temp fix overnight, sent me a quote (since we needed a new system), then called me the next morning to tell me he found the equipment for slightly less and got me an even lower price! And is replacing the unit the next day. Wow... aside from being super professional, he was honest and very knowledgeable. I had two other quotes done out of due diligence (which I do for every big job or contract work), and he also gave us the best pricing. So I would highly, highly recommend John and his company. And I'm so glad we found him. We will definitely be using him for any HvAC needs going forward.

Needed a whole new hybrid unit, inside and outside. John was exceptional. The old unit left in the…read morecondo was horrible and there were so many things wrong that we didn't realize until it finally stopped working. John, James and Kyle went above and beyond the original scope of the work to do a proper install. Needless to say we now have an amazing unit done correctly. He and his crew are meticulous, neat (cleanup looks like no one was working there) and his recommendations were spot on. A real pleasure to have found him. Hopefully I won't need his services in the future but if I do he'll be my first call. Thanks again.

5 Stars - Honest, Quick, and Professional!…read more I had a great experience with this local HVAC company and highly recommend them. Our AC stopped working during the start of a heatwave, and Kyle was able to get out to us quickly. He was absolutely fantastic--friendly, professional, and incredibly knowledgeable. What really stood out was the honesty. Kyle diagnosed the issue fast, explained everything clearly, and made the repair without trying to upsell us on anything we didn't need. That kind of transparency and integrity is rare these days, and it's exactly why I'll be calling them again for any future HVAC needs. Thanks again to Kyle for the excellent service from start to finish!

I have been using Kyle, the owner, for years to help me out with any air conditioning problems…read more He's always been able to service it for me. His prices are extremely fair and very honest. He originally installed my central air, over 15 years ago and still going strong. Kyle also put a mini-split in my basement , that runs great. I would highly recommend him without any second though.

Total life saver! I'm a new home owner. Trying to save on oil, Well, I forgot about all that…read morenonsense during the holidays and ran out of oil over night and the burner would not restart. Called as an emergency and they prioritized me to get same day service. A totally awesome experience. Tech was awesome and got me up and running, I'll be calling for my yearly maintenance with these guys!

Lots of delays, missed appointments, damages, will not honor warranty…read moreWorst contractor I ever worked with in my entire life ! Stay away!,,

I'd like to thank John and Jimmy from ZSL for their quick and efficient response time and service…read more With exceptional customer service, they explained in detail what the issue was and what they did to resolve it.They are very knowledgeable in there profession, and compassionate about the work. . I appreciate the hard work and effort put forth. Thank you!

Completed several projects this year. All we're completed quickly, efficiently and done right the…read morefirst time. Costs were a bit higher then average, but we'll worth it. ZSL explained everything and guarantees all their work.

I filled out a request on 6/26 for estimate on updating one of three R22 central Air systems in my…read morehouse. Filled in all my contact info and after three days no call or email. I understand that this is a very busy season but not a call or email for just an appointment is not good. I do not understand why some companies even offer the option to fill in for a request on their web site. I filled out three other requests and with a day they provided me with an appointment. It's a shame because I liked the puppy sitting with the owner! Update on 07/1 I called again and this time I spoke with Christian who set up an appointment for 7/03 between 1-3pm.

Thank you to everyone at Therm A Trol in Blue Point NY for your professionalism... We are so…read moregrateful. Very dependable company ...we are 100% satisfied with every aspect of a job well done. The H Vac system is great!! Installed perfectly in a timely fashion. Immaculate when the job was done .. Thank you again . Mr. and Mrs. Jim Wenz Bayport NY

Joe and Angel have been servicing my HVAC system for over a year, they are professional with the…read morework that they preform, they are clean, neat and through when they come to service my system and clean up before they leave, Andrew the owner came over for an emergency repair on my system after the landscapers cut my power line with their trimmer, I called at 8AM and Andrew arrived the same day at 12 noon, I would recommend GMG HVAC to anyone looking for a professional and reasonably priced HVAC company GREAT PEOPLE to work with.

Andrew had been servicing my system for a few years so I called him immediatley when a power surge…read morefried my condenser. He replied in a few minutes, came by the next day and two days later installed a new condenser. The installaation was timely, professional and the site completely clean when they left.

I needed my new AC units cleaned in my building bc they were all leaking. Taylor Air was able to…read moreget to me within a few hours. Super professional and sensible pricing.

Greg responded to my email request on a sunday night at almost 9pm within 3 minutes. He offered me…read morenext day service, which I was unavailable for. We scheduled a time. Which I ran 30 minutes late for unfortunately. He was easy going about it, and showed up friendly, and smiling. He was professional, courteous, knowledgeable, reasonable, and thorough. I would highly recommend him to anyone.

I asked for a vac and tune up for my oil burner cause my chimney was smoking and was quoted $200…read morethe service man came without a vacuum so he clogged up the one i lent him and he never looked at my flu or heat exchanger He did change the oil filter which was dripping after he left, he also insisted on an extra $40 for parts and a tip! because my chimney was still smoking I hired another company which was very professional they found the wrong oil filter installed and the rubber gasket missing, the wrong nozzle, heat exchanger almost blocked off with soot after they finished the boiler was running great and no more smoke I would never recommend this company!

From the owner: Make you well again read more

Spoke with the office twice. Both times she said that someone would call back to discuss my repair…read more Never called back

When our air conditioner went on a hot day, Flynn-Aire got here through with timely, professional…read morecarrier. Although the full price became incredibly higher than anticipated, the technician changed into capable and directly resolved the problem. Excellent communique, no stress to upsell, just properly job. They could be ideal with a few fee changes. Overall, sincere