24/7 Heating & AC Repair in Deer Park and Long Island

"K2 Heating and Air Conditioning did an excellent job fixing the central heating at my home. The team was punctual, professional, and quickly diagnosed the issue. They explained everything clearly and completed the repair efficiently. My heating is now working perfectly again! Highly recommended for reliable and honest service."

"This was my first time using K2 Cooling & Heating, and I couldn't be happier with the experience. Waseem arrived on the scheduled day right on time and took the time to listen carefully to the issues I was having with my HVAC unit before beginning any work. He quickly diagnosed the problem and explained everything clearly in a way that was easy to understand. His professionalism, knowledge, and attention to detail were outstanding. He fixed the issue efficiently and made sure everything was working properly before he left. It's refreshing to work with someone who genuinely cares about providing excellent customer service. I highly recommend Waseem and K2 Cooling & Heating to anyone looking for honest, reliable, and knowledgeable HVAC service. I will definitely be using them again in the future!"

"This is my second (distinct) job with K2 HVAC and I couldn't be more appreciative of their prompt and quality services. The first job (a replacement of my heating unit) was handled excellently by Shelby and the second (a replacement of my hot water unit) was amazingly handled by Waseem. The backend customer support is fantastic too, as Sadia is ever responsive by text and phone call. All said, I recommend their services wholeheartedly!"

"Waseem is excellent. He checked my hearing system, diagnosed the problem and fixed the whole system. Now the heat is working excellently. I am high recommending this company to any person’s house. He is very thorough and spent as much as was needed to repair the heat. We are very thankful. He is excellent. Thank you so much to your company."

"We have used K2 several times and really like their service. Technician Waseem just did AC tune up for us. He was thorough, friendly, and professional. Very satisfied and highly recommend the company."

"Professional, reliable, and honest. The mechanic Umar was very nice, friendly, and informative of the situation. He showed up on time, explained everything clearly, and got the job done right the first time. You can tell he took take pride in his work—it wasn’t just about fixing the issue, but making sure everything was running smoothly. Fair pricing, quick turnaround, and excellent customer service. Highly recommend to anyone looking for HVAC work done properly."

"My heater was broken. The service was very quick and affordable. Waseem came and did a great job. I’d definitely use them again."

"Everyone at this company is good and helped us to resolve the heating issue! Waseem is the best, honest and nice person who went up and down to solve the problem and even second day he called to make sure it’s working good. Best company in LI !!"

"The job was very well done. We had a really good deal and the guy who worked on our house Weaseem got the job done quickly and efficiently."

"Waseem did an excellent job fixing my heating system. He went above and beyond to try and get it fixed as soon as possible given the cold weather."

"Technicians Wasem and Shobanni were nothing short of amazing. They came on time and were very professional. They are very knowledgeable and explain to me step by step of what needs to be done. Not once they force me to do something to kill my pockets. My A/C unit is running like new and I am extremely happy with their service. To the company, fantastic job on hiring Wasem and Shobanni. They definitely represented the company to highest. Thank you guys."

"Waseem is such a good employee, so easy to understand and guided us very well. Keep it up!"