406 Heating & Cooling LLC

As a Mitsubishi Diamond Contractor, 406 Heating & Cooling LLC is your trusted expert for ductless mini-split installation in Missoula. Mini-splits are ideal for homes without existing ductwork, room additions, or spaces where traditional HVAC systems aren't practical. They provide zoned heating and cooling, allowing you to control temperatures room by room for maximum comfort and energy savings.Our certified technicians handle the entire process from load calculation to final startup. We assess...

When winter hits Missoula, you need a furnace you can count on. 406 Heating & Cooling LLC provides professional furnace installation for homes of all sizes. We install high-efficiency systems from American Standard and other trusted brands, ensuring reliable heat and lower utility bills.Our process starts with a thorough home evaluation. We measure your square footage, check ductwork, and calculate heat loss to recommend the correctly sized furnace—not too big, not too small. Proper sizing is cr...

Beat the Montana summer heat with a new air conditioning system from 406 Heating & Cooling LLC. We specialize in central AC installation and repair for homes in Missoula and surrounding areas. Our team installs energy-efficient units that keep your home cool without driving up electricity bills.We begin with a Manual J load calculation to determine the perfect size for your home. An oversized AC short-cycles and wastes energy; an undersized one runs constantly and fails to cool. We then handle e...

When your heating or cooling system stops working in Missoula, we diagnose the problem first and explain what we find in plain terms before any work begins. Our team handles repairs across most residential systems, from thermostat and blower problems to refrigerant leaks and electrical faults. We aim to fix the root cause rather than just the symptom, so the repair holds up through the next Montana cold snap or heat wave. You will get straight answers about what it will cost and whether a repair...

We install furnaces for Missoula homes, starting with a home evaluation that measures square footage, checks your ductwork, and calculates heat loss. Proper sizing matters, so we recommend a unit that fits your home rather than the biggest one available. We remove the old furnace, install the new one, connect gas and electrical lines, and test for safe operation. Every job includes a full system check and a walkthrough of basic maintenance so you know what to expect from your new equipment. We c...

Our crew installs central air conditioning systems for homes in Missoula and the surrounding area. We begin with a Manual J load calculation, since an oversized unit short-cycles and wastes energy while an undersized one struggles to keep up on hot afternoons. The work includes removing the old unit, setting the new condenser and evaporator coils, brazing refrigerant lines, evacuating moisture, and charging the system to specification. We can also seal ductwork and install programmable thermosta...

Heat pumps are efficient in our climate, but they need prompt attention when they stop heating or cooling as expected. We troubleshoot heat pump problems in Missoula homes, including defrost cycle issues, reversing valve faults, low refrigerant, and control board failures. We work on a wide range of models, including Mitsubishi systems. Our technicians check airflow, electrical components, and refrigerant levels, then explain the repair and the options. Quick diagnosis keeps your home comfortabl...

Ductless mini-splits are a good fit for homes without existing ductwork, for room additions, and for spaces where a traditional system is not practical. We install Mitsubishi mini-split systems as a Mitsubishi Diamond Contractor, which lets you control temperature zone by zone for comfort and energy savings. We assess your layout and insulation, size the system and choose the right number of indoor units, then handle everything from load calculation through final startup. Most installations take...

We provide complete heating, ventilation, and air conditioning service for homes in Missoula and nearby communities. Our work covers installation, repair, and maintenance for furnaces, heat pumps, air conditioners, and ductless systems. We are a veteran-owned company that values hard work and straight answers, so you will get clear explanations and honest recommendations for your home. Whether you need a new system or help with an existing one, we will walk you through your options and let you d...

A furnace that quits in the middle of a Missoula winter is more than an inconvenience, so we treat urgent heating calls with priority. Our technicians diagnose the fault quickly, whether it is ignition, a failed blower motor, a control problem, or a safety switch that has tripped. We explain what needs to be fixed, give you the cost before we start, and get your heat running again as soon as we can. If a repair is not worth the investment, we will tell you that directly and go over replacement o...

Regular air conditioning service keeps your system running efficiently through Montana summers and helps catch small problems early. Our technicians check refrigerant levels, clean and inspect coils, test electrical connections, and look over the blower and airflow. We also handle repairs when something is not cooling properly, and we can sealing ductwork or upgrade your thermostat if it would improve comfort. You will hear what we find and what we recommend, with no pressure to buy anything you...