O'Donnell Heating & Air Conditioning, Inc. provides homeowners in Clarence a single and satisfying source of a long list of professional services. Get in touch with us at (716) 836-8000 for accommodating scheduling, timely arrival, and greater respect for your property. Count on our team of fully licensed and insured experts for greater reliability and return from essential equipment. Take advantage of our depth of resources and dedication to quality when you need assistance with heating, cooling, air quality, plumbing, ductwork, or sheet metal requirements.

HVAC Services You Can Trust in Clarence, NY

At O'Donnell Heating & Air Conditioning, Inc., we make sure we’re second to none. From products to job performance, we uphold uncompromising standards. We are a Lennox Premier Dealer and partner with such innovative manufacturers as Navien and Azrel, providing for new installation and upgrades to everything from furnaces and air conditioners to zoning systems, ductless units, and tankless water heating.

For heating & cooling repairs in Clarence and surrounding areas, call O'Donnell Heating & Air Conditioning, Inc.!

Along with our two-year guarantee on repairs, our proactive maintenance optimizes the performance of all makes and models. Our availability includes 24/7 emergency service in Clarence, and we pursue the most cost-effective, energy efficient options available.