All Season Heating & Air Conditioning

All Season Heating & Cooling, LLC is a family-owned HVAC company that has been proudly serving the Helena area since 1984 and expanded to the Hi-Line area of Montana with the opening of our Shelby location in 2010. Our team of local technicians, managed by Peder Underdal, are experienced, trustworthy, and honest tradesmen who are ready to meet your needs in a timely, professional manner, and at a fair price.

Our Services

As Montana's heating and cooling specialist, we offer a wide range of services to both residential and commercial clients. Our services include sales, service, and installation of heating, air conditioning, indoor air quality, and geothermal systems.

Heating

We understand the importance of a reliable heating system during Montana's long and cold winters. That's why we offer a variety of heating solutions to keep you and your family warm. From furnace repair and maintenance to new installations, we have the knowledge and expertise to handle all of your heating needs.

Indoor Air Quality

The air we breathe inside our homes and businesses can have a significant impact on our health. At All Season Heating & Cooling, LLC, we offer a variety of products and services to improve the indoor air quality of your space. From air purification systems to humidifiers and dehumidifiers, we can help you breathe easy.

Air Conditioning

When the hot Montana summer rolls around, you want to be sure that your air conditioning system is up to the task of keeping you cool. Our team of experts can handle all of your air conditioning needs, from repair and maintenance to new installations.

Geothermal

Geothermal heating and cooling systems use the earth's natural heat to provide energy-efficient climate control for your home or business. At All Season Heating & Cooling, LLC, we are proud to offer geothermal sales, service, and installation.

Free Estimates and Preventive Maintenance Program

We offer free estimates for new construction and replacement of older equipment, and our Preventive Maintenance Program gives you the benefit of regular inspections on your furnace and air conditioner, providing peace of mind and the ability to spot potential problems before they become serious issues.

Fully Insured Premier Lennox Dealer

As a fully insured Premier Lennox Dealer, we are held to high standards of quality and customer service. Our Contractor Registration number is 150921.

Customer Testimonials

We are proud of the relationships we have built with our customers, and we believe that their feedback speaks for itself. Here are just a few of the testimonials we have received from our satisfied customers:

"I would also like to take this opportunity to let you know the two young men who installed my furnace were very competent, polite, and nice to work with. Kudos to them!" - Mary

"Thank you so very much for getting us in. What a wonderful surprise to come home and find it done! You're a Prince!" - Bob & Jeanne

"Enclosed is a check to pay for the furnace and the install. Overall I am very happy with it all and have recommended you to a few people." - Anonymous

"We love our new heating system (especially with the new snow) and we wanted to say "Thanks" again. Your team was very respectful of our house and did such nice finishing work. We are very happy and impressed." - Kelly, Jamie, Alma

Certificates

We are proud to hold the following certificates:

*NATE Certified Technicians

*EPA Certified

*Lennox Premier Dealer