Helping You Stay Warm This Season

Get a start on your heating maintenance today!

Helping You Stay Warm This Season

Get a start on your heating maintenance today!

woman drinking tea in comfort.

Heating

From furnaces to heat pumps, stay comfortable when temperatures drop with heating services from Design Air.

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.

technician talks to homeowner about air conditioner.
photo of ductless unit with ductless remote.

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.

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.

AC maintenance technican making notes.
woman drinking tea in comfort.

Heating

From furnaces to heat pumps, stay comfortable when temperatures drop with heating services from Design Air.

technician talks to homeowner about air conditioner.

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.

photo of ductless unit with ductless remote.

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.

AC maintenance technican making notes.

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.

Need HVAC Service?

Contact the experts at Design Air.

Call us at 406-251-7997!

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Design Air
With more than 26 years in the heating and cooling business, Design Air 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.

★★★★★

See What Our Customers Are Saying

Gas Furnace Installation in Missoula, 59801

“Eastyn & David did an excellent job installing our furnace. Professional &
Pleasant.”
- Beverly W.

Gas Furnace Installation in Missoula, 59803

“Easton and Matt B. did an excellent job with our furnace installation. Efficient, courteous and patiently answered all our questions.”

- Robert E.

Other Replacement in Missoula, 59802

“Eastyn did a wonderful job replacing our dryer vent duct! He was friendly and professional, while also getting the job done quickly.”

- Bri K.

Read Our Latest Articles

Father with son sitting in comfortable armchairs in their cozy country house near fireplace and enjoying a warm atmosphere and flame moves.

The Basics of Winter Indoor Air Quality

November 29, 2024

In the winter, being snug as a bug in a rug in your home can be cozy, but it can also play havoc with your indoor air quality (IAQ) here in Montana, creating some significant health problems

Read More
Selective focus on section of a new white and clean residential air filter, typical for AC and heaters.

What Are Furnace Filters?

November 15, 2024

At Design Air, our experienced team of professionals are always on hand to answer any filter questions you may have as well as to replace or clean your air filter for you.

Read More
Hands Changing Furnace Air Filter.

What Are the Basics of Furnace Filters?

October 31, 2024

Furnace filters. They’re one of those items not really on the top of everyone’s minds, but they are important and can have a big impact.

Read More