Mighty Ducts

With more than 22 years in the heating and cooling business, Design Air, Inc. is dedicated to providing the best possible HVAC service and products to the residents of the Missoula and Bitterroot Valleys. We are locally owned and operated allowing us to promptly address our clients’ unique needs while providing quality customer service and care. Our customers’ comfort and safety is our primary concern. No matter if you are in need of a repair, replacement, annual maintenance, or an entire HVAC system for a new home, the team at Design Air is here to help.

Our experienced technicians service all makes and models of heating and cooling equipment and offer 24 Hour / 7 day emergency service for your convenience should a problem arise. As a Bryant® Factory Authorized Dealer, our technicians are required to hold and maintain certifications for the North American Technician Excellence ( ) program, the highest level of certification given for HVAC professionals. Each year they attend training allowing them to stay current on changes in the heating and cooling industry allowing them to better serve you.

Services provided by Design Air include repairs, maintenance and installations of:

• Forced Air Furnaces
• Heat Pumps
• Air Conditioners
• Ductless and Mini-Split Units for heating and cooling of specific home areas
• Gas Fireplace
• Air Purifiers
• UV light and filtration
• Humidifier
• Ventilators and Air Handlers
• Gas Piping
• Ductwork Sealing with Aeroseal®
• Light Commercial Rooftop Units
Since quality workmanship and products are at the core of our business, Design Air offers a 12-month Service Guarantee on parts and labor and all equipment installed by us includes a Lifetime Workmanship Guarantee and a 12-month Install Labor Warranty from the date of service. Bryant® additionally offers a standard factory warranty for newly installed residential Bryant ® systems, in which parts are covered ranging from 5-10 years depending on original or subsequent