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.

Unreliable! No showed on my first appointment, no follow up or apology offered. Finally came out…read moreand No follow up on the work that is needed. Air conditioning was working prior to Viktor coming out after he left it didn't work again. No response from them via phone message, text message or email sent.

Mario (the technician and business owner was excellent)…read more He arrived on-time and repaired our gas boiler electrical problem promptly. I highly recommend Mario and his company for your home or business. He called back the next day to see if all was working correctly. Very professional and a really nice person!

Calling Mario at the # provided would be your ultimate solution to your boiler needs. I was…read morereferred to his services and so thankful I called. Within hours of a days time he was on the job. Mario completed the task asked and YET went over and beyond to keep our boiler system at coded regulations needed. Thank you Mario for your prompt attention to my matter and also mostly your patience.

I was recommended this company from a neighbor to get oil. They are friendly on the phone, are…read morevery responsive and can deliver the same day. Pricing is much better than my previous oil company.

Best oil delivery company in the area !! Shows up when he says he will. Prices are fair and best…read moreof all he's always careful about my gates being secure for my dogs. Also Came forward an emergency call when I was out of fuel.

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.

I recommend Comfort works to whoever needs work done in their homes. They were clean and…read moreprofessional from start to finish. They did a wonderful job installing ductless units in my parents house.

From the owner: Comfort Works HVAC has been proudly serving Nassau County customers since 2016. Led by owner John…read moreUzelgok, we provide honest, quality work for Nassau County. As a top HVAC contractor, we specialize in boiler installation, furnace repair, central AC repair, and ductless heat pump services. Whether you need hot water heater repair, HVAC maintenance, or emergency HVAC services, we are your go-to local HVAC contractor. We offer residential and commercial HVAC solutions, ensuring reliable and affordable services. Trust us for HVAC system installation, upgrade, inspection, tune-up, and replacement. Comfort Works HVAC is committed to providing energy-efficient HVAC solutions.

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

Keith is the best !!! Don't even bother with the rest ...Ross = Ridiculous Prices…read more...Danisi..=.Unreliable !! I learned my lesson...KDK is Very Reliable , Keith is a great guy to work with ..his mechanics know what there doing ..He doesn't have a fancy suit show up at your door for an estimate ..You want your work done right ? and Fair ? then Call KDK FIRST !!

From the owner: KDK Mechanical Inc. Welcome to KDK Mechanical Inc. KDK…read moreMechanical Inc. is the company you can trust to install, repair and service the HVAC equipment in your home or business. We are an owner operated HVAC contractor in Middle Island, NY headed by Keith Reuter, who has been in the HVAC business for more than 30 years. Mr. Reuter has held positions of service tech, service manager, retrofit manager and operations officer.