More than 35 years later, our little business has grown into a Carrier Factory Authorized Dealer and a Better Business Bureau-accredited company. We’re proud every day to be “seasoned professionals for every season” for our residential and commercial customers.From heating and AC installation to routine maintenance and repairs, McDevitt Air has you covered with quality service you can count on. We are seasoned professionals for every season. Our North American Technician Excellence (NATE) certified HVAC technicians work around the clock across the local area to keep you comfortable in your home or business. Our services include:•light commercial and home heating and air conditioning installation.