Heating
From furnaces to heat pumps, stay comfortable when temperatures drop with heating services from Design Air.
Maintenance
Save time and money with regular maintenance on your HVAC systems. Design Air can help you with a variety of maintenance options for your home.
Cooling
When temperatures rise in the warmer seasons, Design Air can help your family stay cool with air conditioning, heat pump, and other services for your home.
Indoor Air Quality
Keep yourself and your family healthy with indoor air quality services from Design Air. Visit our air quality page for tips on how to improve your home's air quality as well.
Ductless
A ductless heating or cooling system can be a great option over a traditional system. Learn about the flexible and affordable options ductless provides.
Aeroseal
Many homes in Western Montana suffer with leaking ducts from their heating and cooling system. Find out how Aeroseal can help.
Design Air
With more than 22 years in the heating and cooling business, Design Air, Inc. is dedicated to providing the best possible service for you and your family. You can count on us to provide you with a system and solution that fits your family’s unique needs. 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.
Need HVAC Service?
Contact the experts at Design Air.
Call us at 406-251-7997!
Read Our Latest Articles
Happy Holidays from Design Air
Design Air wants to wish all of our heating and air conditioning customers in Missoula and the surrounding cities, communities and neighborhoods a very happy holiday this year.
Happy Thanksgiving from Design Air
We know that your home matters and we want you to know that it matters to us and to our team, too. We are local business owners who believe in serving you the same way we expect to be served. We’re proud Montanans and proud to live here with you and want to keep you…
When Do I Replace My AC Unit?
The central air system is a simple pleasure of everyday life. Your home should be a place where you can relax. On a 90-plus degree summer’s day in Missoula, MT, cool air is essential to your relaxation. If you take good care of your AC unit, with annual inspections and monthly filter…