Summer Is Here!

Get a new AC system and stay cool all season long.

Summer Is Here!

Get a new AC system and stay cool all season long.

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, 59804

“Miles was our installer for an air conditioner unit and replacement furnace. He was professional and easy to have around during the days of installation. He showed up on time, answered any questions we had and put up with our lab wanting to play ball. So far, we are very happy we chose Designair.”
- Dawn K.

Air Conditioner Installation in Missoula, 59841

“Tristan was amazing! He was very polite, kind and informative. He answered all of my questions with great knowledge. He cares about the customer, Thank You, we will love our new AC!”

- DeVoe and Margaret C.

Air Conditioner Installation in Stevensville, 59870

“Miles and Will did a great job. They respected our home, they were courteous and efficient. Glad we chose Design Air.”

- Tim H.

Read Our Latest Articles

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Video – Does Indoor Air Quality Affect My Pet?

June 27, 2022

Protect your pets from indoor air pollution by changing your air filters regularly.

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Blurred Air Conditioner Fan

How to Properly Size an AC System

June 15, 2022

In the heat of the summer, it’s easy to assume that bigger is better when it comes to air conditioning (AC) systems. Obviously, if you have an air conditioner that’s too small in your Missoula home, you will not be able to keep your temperatures consistently low even if the unit is running constantly. 

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Coupl sitting in front of the newly remodeled room.

Video – Remodeling Your Home? Don’t Forget Your Comfort!

May 31, 2022

Planning to remodel your home? Don’t forget about your heating and cooling system. Remodeling is the perfect time to add more comfort to your home—and it starts with your heating and cooling system.

Read More