Keep your Home Business Family Furnace Comfortable Year-Round.
Commercial Heating & Air Solutions
From small offices to large facilities, we deliver reliable, energy-efficient systems designed to keep your business running comfortably year-round. Our team understands that commercial heating and cooling isn’t one-size-fits-all — we design, install, and service systems tailored to your building’s unique layout and daily demands.
We work with leading equipment brands to ensure long-lasting performance, lower operating costs, and minimal downtime. Whether you need a new rooftop unit, seasonal maintenance, or emergency repairs, our experienced technicians respond quickly and work efficiently to keep your operations on track.
Residential Heating & Air Comfort
Your home should be a place of comfort — no matter what Montana weather brings. We specialize in designing and maintaining reliable heating and cooling systems that keep your family comfortable all year long.
From high-efficiency furnaces and central air systems to modern heat pumps and smart thermostats, we offer solutions that balance comfort, performance, and energy savings. Our technicians take the time to assess your home’s layout and recommend options that fit your lifestyle and budget.
UV Lighting for Cleaner, Healthier Air
Indoor air quality matters — especially during Montana’s long heating seasons. J-1 Heating and Air offers UV lighting systems that install directly inside your furnace or air handler to help keep the air in your home or business cleaner and healthier.
These specialized ultraviolet lights target and destroy bacteria, mold spores, and viruses as air passes through your HVAC system. The result? A cleaner furnace, improved air circulation, and fewer airborne contaminants flowing through your vents.
UV lights also help your equipment run more efficiently by preventing buildup on coils and components — extending the life of your system and keeping it running at peak performance.
For homeowners and business owners alike, UV lighting is an easy, low-maintenance upgrade that makes a noticeable difference in air quality and system longevity.
