All Season Heating & Air Conditioning - HVAC services in Helena

HVAC

All Season Heating & Air Conditioning

Montana’s heating and cooling specialist since 1984

4.9 (774)

Our Story

All Season Heating & Air Conditioning, LLC is a family-owned HVAC company serving the Helena area since 1984 and Shelby, Montana since 2010. They have a team of experienced, trustworthy local technicians managed by Peder Underdal, ready to serve the Hi-Line area with timely, professional service at fair prices. The company offers free estimates for new construction and equipment replacement, along with a Preventive Maintenance Program for regular inspections of furnaces and air conditioners. As a fully insured Premier Lennox Dealer, they provide sales, service, installation, and indoor air quality improvement products for residential and commercial buildings.

Our Specialties

HeatingAir ConditioningGeothermalIndoor Air QualitySalesServiceInstallationPreventive Maintenance

Services

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Service Area

Based in Helena, MT

Serves within 30 minutes drive from Helena

Client Reviews

4.9 from 774 reviews on Google

All Season Heating & Air Conditioning was fantastic to work with from start to finish. Their customer service is excellent and genuinely personable, and we always felt like we were in good hands. They kept us informed about the progress of each project along the way so there were no surprises, and the pricing was fair and reasonable for the quality we received. The workmanship is top notch. When they replaced our furnace inducer motor, they noticed the heat sensor was dirty and cleaned it without us even asking, which really shows their attention to detail. Brayden, the technician who handled the repair, was personable, thorough, and immediately understood what the issue was, which made the whole experience smooth and reassuring. They also recommended and installed a high quality gas heater in our garage. They took the time to run and install the gas lines, explained any issues they ran into and just did a bang up job with the install in general. It is clear they care about doing the job right and treating customers with respect. I would absolutely recommend All Season Heating & Air Conditioning to anyone looking for reliable, honest, and high quality HVAC work!

James Ridle 2 months ago

I had a new furnace and AC unit installed. The price was very reasonable compared to other bids I received. The installers were very prompt and professional. They answered all my questions and helped me program my new thermostat. I would recommend All Season to anyone looking for repair, cleaning, or installation of a heating or AC system

Jim Erickson 2 months ago

Highly recommend. We purchased a mini split air conditioner Lenox system. The guys were professional and knowledgeable. They let my four boys help with the install, teaching them along the way. We are very glad that we hired them. Nathan (Owner) Grovom Painting

Grovom Painting 8 months ago
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Common Questions

All Season Heating & Air Conditioning serves the Helena area, where we've been established since 1984, and the Hi-Line area including Shelby, Montana, since 2010. Our team of local technicians is ready to provide HVAC services for residential and commercial properties throughout these regions. We focus on timely and professional service to meet the needs of Montana homeowners and businesses in these communities.
All Season Heating & Air Conditioning has been a family-owned HVAC specialist in the Helena area since 1984, offering over 35 years of experience in heating, cooling, and indoor air quality solutions. Our commitment to honest and trustworthy tradesmen ensures reliable service for both residential and commercial clients. We expanded to Shelby, Montana in 2010 to better serve the Hi-Line region.
We provide comprehensive sales, service, and installation of heating systems, air conditioning units, geothermal heat pumps, and indoor air quality products for both residential and commercial buildings. As a fully insured Premier Lennox Dealer, our experienced technicians handle everything from routine maintenance to full equipment replacements. Our services ensure efficient HVAC performance tailored to Montana's varying climate demands.
Yes, All Season Heating & Air Conditioning offers geothermal systems as part of our heating and cooling specialties, providing energy-efficient ground-source heat pump installations for residential and commercial clients. These systems leverage stable underground temperatures for heating in winter and cooling in summer, reducing energy costs and environmental impact. Our team ensures professional installation and integration with existing HVAC setups.
We offer free estimates for new construction projects and replacement of older HVAC equipment, including furnaces, air conditioners, and geothermal systems. Simply request an estimate through our website or contact our Helena or Shelby locations, and our technicians will assess your needs on-site. This allows us to provide accurate quotes for sales, service, or installation at fair prices.
Our Preventive Maintenance Program includes regular inspections of your furnace, air conditioner, and other HVAC components to identify potential issues like refrigerant leaks or filter clogs before they lead to breakdowns. This service provides peace of mind by extending equipment lifespan and improving efficiency, especially in Montana's harsh winters and summers. Enrollment ensures priority scheduling and professional tune-ups by our certified technicians.
Yes, financing is available for our HVAC sales, service, and installation projects, making it easier for residential and commercial clients to afford upgrades like new Lennox furnaces or air conditioning systems. We partner with options to fit various budgets, ensuring you can invest in reliable heating and cooling without upfront strain. Contact us for details on applying during your free estimate.

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Helena, MT

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