Main Mechanical Heating & Cooling

When the temperature drops in Bozeman, you need a heating system you can count on. Our heating services cover everything from emergency furnace repair to full system replacement. Common issues we fix include uneven heating, strange noises, frequent cycling, and pilot light problems. We work on all major brands of furnaces, boilers, and heat pumps. Our process starts with a thorough diagnostic to pinpoint the root cause, followed by a transparent estimate with no hidden fees. If repair isn't cost...

Beat the Bozeman heat with professional air conditioning service from Main Mechanical. We provide AC repair, maintenance, and installation to keep your home cool and energy-efficient. Weak airflow, warm air blowing, frozen coils, or strange smells—we've seen it all and know exactly how to fix it fast. Our maintenance plans include coil cleaning, refrigerant check, filter replacement, and thermostat calibration to extend your unit's lifespan. If your AC is over 10 years old or constantly breaking...

HVAC emergencies don't wait for business hours, and neither do we. Main Mechanical offers 24/7 emergency repair services for both heating and cooling systems in Bozeman. If your furnace quits in the middle of a winter night or your AC fails during a heatwave, call us anytime—Saturday, Sunday, or holidays included. Our on-call technicians arrive with fully stocked vans to handle most common emergencies on the spot: no heat, no cool, system short-cycling, burning smells, or water leaks from your u...

Main Mechanical Heating & Cooling handles heating, cooling, and ventilation work for homes across Bozeman, from routine tune-ups to full system replacement. We see the job as a working relationship, not a one-time sale. Our technicians diagnose the problem accurately, explain your options in plain English, and finish the work efficiently. We do not add upsells or push equipment you do not need. Whether your system needs a quick repair or a complete replacement, we treat your home with the same c...

Our heating repair covers furnaces, boilers, and heat pumps across all major brands. Common problems we fix include uneven heating, unusual noises, a system that keeps cycling on and off, and pilot light trouble. We start with a thorough diagnostic to find the actual cause, then give you a clear estimate with no hidden fees. If a repair will not hold up, we will talk through a high-efficiency replacement that suits your budget and the size of your home. We work on gas, electric, and oil systems...

We install central air conditioners, ductless mini-splits, and heat pump systems sized and placed for the layout of your home. A good installation starts with looking at your existing ductwork, insulation, and how the rooms are used, so the system cools evenly and runs efficiently. If your current unit is more than 10 years old or keeps breaking down, we will walk you through what an upgrade would involve and what it would save you in energy use. We respect your time and property throughout the...

A furnace that quits on a cold night is more than an inconvenience, so we offer 24/7 emergency repair, including weekends and holidays. Our on-call technicians arrive with fully stocked vans and can handle most common failures on the spot, such as no heat, short cycling, burning smells, or leaks from the unit. Safety comes first, and we work quickly to restore warmth to your home. After-hours rates are stated up front, so you will know the cost before we start. Save our number now so you have it...

Regular maintenance keeps a central air system cooling well and lasting longer. Our maintenance visits include cleaning the coils, checking refrigerant levels, replacing the filter, and calibrating the thermostat. These steps catch small problems before they turn into breakdowns and help your system use less energy during the hot months. If your unit is aging or needs frequent repairs, we will tell you plainly whether maintenance will keep it going or whether an upgrade makes more sense. Call us...

We repair boilers in homes and buildings around Bozeman, working on gas, electric, and oil units across major brands. When a boiler is uneven in heat, makes knocking or gurgling sounds, or shuts down unexpectedly, we begin with a careful diagnostic to find the root cause. You receive a transparent estimate before any work begins. If the boiler is past the point of economical repair, we will help you compare replacement options that fit your home and budget. Our crews finish each job by cleaning...

Routine heating service helps your system run safely and efficiently through the cold months. Our technicians inspect the components, clean what needs cleaning, check controls and safety features, and look for early signs of wear. Catching these issues early can prevent costly failures in the middle of winter. We work on furnaces, boilers, and heat pumps and explain anything we find in plain terms so you can decide what to do next. Schedule a service visit before the first hard freeze and we wil...

Ductless mini-splits are a good fit for homes that lack ductwork, additions, and rooms that never seem to reach the right temperature. We install systems that provide both heating and cooling from a compact indoor unit, with placement chosen to suit the layout of your home. Because no ducts are needed, installation is less disruptive and the system can be zoned room by room. We will explain the options and what each would cost to run so you can choose what fits your home. Contact us to talk thro...