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.

i needed emergency AC repair during a heat wave on a Thursday. I called around to a half dozen HVAC…read morepeople, no response or said they could come by the next week. Eddy was there that day, fixed the problem. I was expecting some crazy emergency rates, but no, Very reasonable. Highly recommend.

Eddy (and ECE) is the best. Reachable day and night he helped us through an emergency heating…read morerepair late night last night, and even followed up afterwards to make sure everything was continuing to perform as expected. Really appreciate the help and will be looking to Eddy for all my heating and cooling needs going forward. A++++.

i had a problem with a boiler leaking. I researched the internet and came across Cleancut heat and…read moreac. Dave answered my call on a Sunday and stayed on the phone with me for hours troubleshooting and teaching me about boilers. I made a few adjustments as recommended by Dave. I can't tell you how patient and informative he was. I greatly appreciate that and will definitely will use him as my servicer.

Highly recommend. Fellas came in, got the heating up in running in less than an hour for an…read moreextremely reasonable price. Very happy to have used this service and will be using again in the future!

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

Mike and KT Cooper Heating and Cooling are the finest company on Eastern Long Island. Mike always…read moreresponds immediately to any issue that may happen with my good ole furnance. Mike will always reach out in the spring and the fall for cleaning to prepare for the weather. I highly recommend Mike and his company.

what a great guy. responsible, prompt and incredibly kind and patient person. very fair priced…read more neat and efficient. fixed our boiler issues and followed up. would recommend him to everyone.

Kyle is absolutely the best. Thank you for being there for us. I had a problem with my system and…read morehe came right over and had it fixed in three hours.

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'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.

AVOID this company. Owner uses inferior parts and does not stand by his work. The last service…read morecaused $26K worth of damage. No other plumber will touch the Navien unit since it is so inadequate.

From the owner: Green Synergy Solutions services Suffolk County, NY area for all their HVAC needs. Green Synergy…read moreSolutions provides plumbing, heating, ventilating & air conditioning services. Please contact us with any questions, we are here to help you! Follow us on Instagram and Fb @ greensynergyhvac