Shopped for a new central A/C system. Drew and his installation crew did the job on time and stayed…read morewithin our budget. Clean and professional, not easy to find companies like this these days.

Men came and finished the job in one day. I'm glad we chose this company . they were clean and on…read moretime

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.

Great service! Added a heat zone to our back room. The guys that came were neat and clean, and the…read moresystem works perfectly!!! Highly recommend!

I had a heating issue I was determined to fix myself. I tried process of elimination and that…read moredidn't work. Went to Mattituck Plumbing and Heating. They walked me through everything needed to fix the problem and had the parts in stock. Highly recommend them, top notch.

Professional. installed as promised and priced as quoted and reliable. I called a number of heating…read morecompanies to install a mini-split but none called me back accept 5 star. Local owned and operated, always nice dealing with someone close in case you need them.

I tried 6 local air conditioning companies to figure our why the first floor of the house was…read moregetting much more air than the second floor. 5 Star was the only company that went into the attic and figured out that the original installer didn't place dampers on some of the trunks. I had them fix the problem, and am finally getting air into the master bedroom. This took me years, and many cac companies looking at the issue and they were the only one who finally figured it out. Thanks so much, I have and will continue to recommend them.

The best in the area. Honest, reliable, fair. Stands behind his work. I don't trust anyone else…read morewith my plumbing needs.

I had an appointment with them last week. They said they'd…read morearrive between 10 and 11 AM. By 12:30 I called. They said they would call the gut out in the field and get back to me. NO CALL BACK. When I would try to call them, they wouldn't answer the phone or respond to my messages. They may have quality plumbing (and I see the reviews are rather old), but they are obviously NOT quality people. SAD, they initially seems very nice

I have been using Umana Heating and Cooling since I moved out to Southold about 3 years ago. My…read moresystem in somewhat old but Umana has been able to keep it going without major replacements. They are prompt, friendly, and have responded to emergencies anytime I called. Would definitely recommend them to anybody looking for a professional, reliable, company that also offers reasonable pricing. Steve E

Central air had a meltdown mid-July and started blowing warm air. Called Hardy and spoke with…read moreBrian. He really came through! The tech, Mike R, was knowledgeable and professional, made sure the system was working optimally. Jenn manning the phones is great as well. All told, couldn't be more pleased. Thank you!

Second hottest day of the summer our air conditioner decides to throw in the towel. Blowing air but…read morethe temperature​ of a Congressional Hearing. On a Sunday morning in July I thought we would be waiting all day by the phone. We called the regular number and a service picked up. She said a tech would call us. She didn't know how quickly. 15 minutes later Jack called. He would be at the house within 30 minutes. He got here with five minutes to spare. Ten minutes and a new capacitor​ later we were back in civilized temperatures​. A weekend emergency visit was $60 more than a weekday, but the total charges were completely reasonable. Thanks Hardy. You guys are cool.

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.