Guenther Heating & Air Conditioning is a family owned and operated residential heating and air conditioning company that has been servicing the Niagara region since 1971. We are proud to offer the finest York heating and cooling products and services. Guenther Heating & Air Conditioning is a factory-authorized York dealer, with all HVAC technicians being factory-certified comfort experts. Guenther Heating & Air Conditioning technicians are trained and ready to handle any need you might experience including scheduled maintenance, complicated repairs and new residential installations. more... See more text