Mountain Air Systems

When the temperature drops in Southwest Montana, you need a heating system you can rely on. Mountain Air Systems specializes in the installation, repair, and maintenance of both furnaces and heat pumps. Whether you are building a new home, upgrading an old system, or facing a no-heat emergency, our certified technicians are ready to help.We work with all major brands and can help you choose the most energy-efficient solution for your specific needs. Our furnace services include thorough diagnost...

Beat the summer heat in Southwest Montana with professional air conditioning services from Mountain Air Systems. We install, repair, and maintain central AC systems, ductless mini splits, and portable units for both residential and commercial properties. Our goal is to keep your indoor environment cool, dry, and comfortable even on the hottest days.Ductless mini splits are a popular choice in Southwest Montana for homes without existing ductwork, room additions, or for targeted cooling. We will...

Your home in Southwest Montana should be a healthy retreat, and indoor air quality plays a huge role in that. Mountain Air Systems offers a full range of indoor air quality solutions to remove dust, allergens, odors, and even pathogens from the air you breathe. From advanced filtration systems to UV germicidal lights and whole-home humidifiers, we have the right technology for your needs.Poor indoor air can aggravate allergies, asthma, and other respiratory conditions. It can also cause lingerin...

Mountain Air Systems handles heating, cooling, and indoor air quality work for homes and businesses across Southwest Montana. Our technicians are certified and based locally, so we understand how hard winters and warm summers push a system. Whether you need a simple filter change or a full replacement, we start with a careful inspection, explain what we find in plain terms, and recommend only the work that is needed. We are a family-owned company, and we treat every property with the same care w...

When your furnace stops working on a cold Southwest Montana night, we can help. Our certified technicians diagnose the problem with a full system check, then repair the part that is failing, whether that is a blower motor, ignition component, or gas line connection. We work safely around gas systems and will explain what went wrong and what your options are before any work begins. We also handle routine tune-ups that help prevent mid-winter breakdowns. If your furnace is failing, call us and we...

Our crews install central air conditioning systems for homes and commercial properties throughout Southwest Montana. Before we install anything, we size the system and plan the placement so it cools efficiently and lasts. Installation includes the compressor, coil, and connections to your existing ductwork, and we keep the job clean and organized from start to finish. If your current unit is old or underperforming, we can walk you through replacement options that fit your space and budget. Conta...

Mountain Air Systems installs, repairs, and maintains heat pumps for Southwest Montana homes and businesses. A heat pump can provide both heating and cooling, and for many properties it can reduce energy costs compared with older systems. We work with major brands and help you choose a model suited to your climate and building. Services include whole-home conversions, repairs, and routine maintenance. We begin with a full inspection and explain your options clearly so you can decide with confide...

Ductless mini splits are a practical option for homes without existing ductwork, for room additions, and for targeted heating or cooling. We install both indoor and outdoor units and help you determine how many indoor units your space needs and where they should go. Our installation process is tidy and fairly quick, with minimal disruption to your home. We also service mini splits that are already in place. If you are considering a mini split for your Southwest Montana property, give us a call a...

Dust, allergens, odors, and dry winter air can all make a home uncomfortable. At Mountain Air Systems, we offer indoor air quality solutions including high-efficiency filtration, UV lights for ductwork, whole-home humidifiers, and duct cleaning and sealing. We start by looking at your current air and your household's needs, then recommend equipment that fits. Many of our products are Energy Star rated where available, and we offer maintenance plans to keep them working well. If you are dealing w...

Mountain Air Systems provides heating, cooling, and ventilation services for commercial properties in Southwest Montana, including commercial kitchen HVAC systems. We understand that businesses cannot afford long downtime, so we work to diagnose problems quickly and schedule service around your operating hours. Our technicians handle installation, repair, and preventive maintenance for systems of many sizes. We will review your equipment, explain what needs attention, and provide clear options....

For homes across Southwest Montana, we provide complete heating and cooling service, from furnaces and heat pumps to central air and ductless systems. Winters here are hard and summers can be hot, so we focus on systems that keep your home comfortable year-round. Our work includes installation, repairs, annual tune-ups, and replacements when an older system is no longer worth fixing. We take time to explain your options so you know what you are paying for. Contact us to set up an inspection for...