For decades, O'Donnell Heating & Air Conditioning, Inc. has been a cornerstone of reliable HVAC solutions for residents and businesses throughout Buffalo, New York, and its surrounding communities. Established in 1961, the company boasts a rich history of dedicated service, ensuring optimal comfort and indoor air quality for its clientele. Serving areas including Amherst, Eggertsville, Snyder, Williamsville, Tonawanda, Cheektowaga, Depew, and Lancaster, O'Donnell Heating & Air Conditioning, Inc. has built a reputation for honesty and exceptional customer care. Their mission is to provide prompt, affordable, and dependable HVAC services, addressing everything from routine maintenance to complex installations and emergency repairs. With a commitment to customer satisfaction evident in their 43+ happy clients and growing, O'Donnell Heating & Air Conditioning, Inc. stands as a trusted partner for all heating, cooling, and plumbing needs.
O'Donnell Heating & Air Conditioning, Inc. distinguishes itself through a steadfast commitment to customer satisfaction and operational excellence. As a qualified Lennox Premier Dealer, they bring cutting-edge HVAC innovations and reliable equipment to their clients. Their service philosophy is deeply rooted in honesty, which they believe is the primary reason for outselling competitors. The company offers a robust two-year guarantee on all repairs, providing clients with significant peace of mind. Furthermore, O'Donnell Heating & Air Conditioning, Inc. operates 24/7, offering emergency services to address urgent comfort needs at any time. They also provide attractive financing options for qualified customers and actively run specials and rebates, such as a free humidifier with furnace packages and installation discounts, making their high-quality services even more accessible. This dedication to affordability, backed by extensive experience dating back to 1961, solidifies their position as a leading HVAC provider in Western New York.
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We had a new heating system installed and the entire experience was excellent. Even when temperatures dropped to 19 degrees a...
Had a great experience with O’Donnell installing my new Lennox furnace. The office staff was extremely friendly and answered ...
I purchased a gas furnace from O'Donnell Heating September 2025. Installer was professional and answered any questions I had....
Woke up to a freezing house on the coldest day of the winter, called O’Donnell Heating at 8am and they had someone out to us ...
O’Donnell installed a new furnace and air conditioner on 6/19/2025. I signed an agreement on 6/7. The installer arrived at 10...
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Based on 8 recent reviews
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Serves Buffalo and surrounding areas
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Heating demand surges in winter with freezing temperatures common.
Peak Season: November - March
Tip: Get furnace inspections in fall before the cold hits.


