About Weber & Grahn Air Conditioning and Heating

Weber & Grahn Air Conditioning and Heating is a company with a long history of providing excellent service in the HVAC industry since 1968. They offer a wide range of services, including air conditioning, boilers, furnaces, gas heating, geothermal, and refrigeration. Weber & Grahn proudly serves numerous areas on the east end of Long Island. Customers praise the company for its prompt and reliable service. They are known for their quick response times, even for emergency calls. Technicians are described as friendly, professional, and knowledgeable, ensuring customers feel comfortable and confident in their expertise. Weber & Grahn's commitment to quality work and trustworthiness has earned them a reputation as a premier company on the east end of Long Island, both for professional clients and homeowners.

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Reviews for Weber & Grahn Air Conditioning and Heating

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  • Jul 2026

    So far so good. I had real problems finding a compentent HVAC firm to service my complex geothermal system. This was my 4th try locating a firm. Nothing bad to say about three others (varsity, soundview and cool power) as they honestly told me they could not handle servicing the system. the company that had seviced the system, Danasi, were unable to and refused to help me and in my opinion had not been doing the right thing. Poor workmanship, untrained technicians and very poor customer service. Stay away from Danasi. I would highly recommend W&G.

  • Sep 2025

    They are knowledgeable, professional, responsive, courteous and prompt, and they are not looking to sell you something you don't need. They go out of their way to make sure everything is right before they leave your house. They are trustworthy and reliable, and I wouldn't use anyone else.

  • Jul 2023

    I called Weber & Grahn at 10am for an emergency visit and not being a customer of record, felt surely I would be told(for the third time this morning), "10-14 days for any new customers". However, quite unlike thetwo other HVAC establishments I called, Ms Nicole of W&G was courteous, caring, and very professional. She explained everything and immediately sent me out a new client form to complete and scan back. I was then told I am on the urgent list and to expect a call from a technician within 12 - 24 hours. To my astonishment, at 4:30 pm, Josh from W&G was at my home to examine and repair our AC system. He was neat, precise, friendly, and over all excellent. He had...read full review

Hours

Monday: 7:30AM - 5PM
Tuesday: 7:30AM - 5PM
Wednesday: 7:30AM - 5PM
Thursday: 7:30AM - 5PM
Friday: 7:30AM - 5PM
Saturday: 8AM - 4PM
Sunday: Closed

Tips

 on-site services accepts credit cards

Location

216 East Montauk Highway, Hampton Bays

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