Missoula, Montana
Mini-Split Installation in Missoula, MT
Heat and cool the rooms you actually use, without adding a foot of ductwork.
Rebates
Two local rebates on a heat pump
You are on one electric utility or the other, so one of these applies to your house, not both.
Read this first. The Missoula Electric Cooperative rebate is for homes that heat with electricity today. If your house heats with gas, that one does not apply to you. We would rather say so here than at your kitchen table.
Up to $920
Missoula Electric Cooperative
Ductless heat pump, professionally installed, in a home that currently uses electric heat.
- Your home has to be heating with electricity today.
- Not available for new construction or homes with gas heat.
- One per home.
$450
NorthWestern Energy E+
Central heat pump, ductless or ducted.
- Requires ENERGY STAR rating, or SEER2 of 15.2 or higher and HSPF2 of 8.5 or higher.
- Existing homes only.
- Current program cycle runs through June 30, 2027.
We handle the rebate paperwork.
Both are utility programs, not our discounts. The utility pays them and the utility makes the final call on eligibility. We will tell you which one your house looks like it qualifies for before any work starts.
- Veteran-owned, Montana-built
- The two owners do the work
- Free estimates, no pressure
“As an Electrical Contractor there are multiple things that I look for when hiring out subs or recommending them to my clients. The boys at 406 Heating and Cooling are absolutely hands down the best HVAC contractor that I recommend whenever anyone asks for it. They have time and time again, come in within or below customers budget and done amazing work. They are knowledgeable ,craftsmen and most importantly take pride in what they do. Their communication is top notch.”
How it works
What actually happens, start to finish
Free estimate
We come out and look at the actual house. You get a clear scope and a number, at no charge, with nothing attached to it.
Load calculation and sizing
The equipment gets sized off a real load calculation for your house, not a square-footage chart. Insulation, windows, air sealing and which way the place faces all move the answer. This is the step that decides whether the system carries a February inversion or hands the job to backup heat.
Installation
Equipment set, refrigerant lines run and concealed properly, the outdoor unit placed above the snow line and clear of drifting, condensate handled so it drains where it should, and the electrical coordinated with the disconnect set.
Startup and walkthrough
The system is evacuated, charged and commissioned with the charge verified rather than estimated. Then we walk you through running it before we leave, and the rebate paperwork goes in.
What is a ductless mini-split?
A ductless mini-split is an outdoor unit connected to one or more indoor heads by a small refrigerant line, so it heats and cools a room without any ductwork at all. It is the fix for the addition that never got heat, the above-garage apartment, the shop, the finished basement, and the older Missoula house that was never built for forced air. Mini-splits are what we install more of than anything else.
What is included
What the job actually involves
- Single-zone and multi-zone Mitsubishi Electric systems
- Wall-mounted, ceiling cassette, floor-mounted and short-run ducted heads
- Load calculation before anything gets quoted
- Line sets run and concealed properly, inside or out
- Outdoor unit set on a pad or wall bracket, above the snow line
- Condensate handled so it drains where it should
- Electrical rough-in coordinated and the disconnect set
- System evacuated, charged and commissioned before we leave
The part that matters
Cold-climate units, sized for the house
A cold-climate mini-split keeps producing usable heat well below zero. Whether yours actually does comes down to two things nobody sees from the driveway: whether the equipment was sized off a real load calculation, and whether it was evacuated and charged properly at commissioning. That is the part we do not rush.
Unit types
Four ways a mini-split gets into a room
They all run off the same outdoor unit. The difference is where the indoor head goes and what the room will tolerate.
Wall mounted
The default, and usually the right answer. It mounts high on the wall where it moves air well and stays out of the way of furniture. Wall units are the most cost-effective style to install and the quickest to retrofit, which is why most of our jobs end up here.
Best for
Bedrooms, living rooms, additions, garages, retrofitsCeiling cassette
Sits recessed in the ceiling and throws air in four directions, so it evens out the hot and cold spots a single wall head can leave behind in a wide room. Only the grille shows, which matters when wall space is spoken for or the room needs to look finished.
Best for
Larger rooms, open floor plans, offices, light commercialFloor mounted
Sits low against the wall like a radiator. It is the answer when there is no usable high wall space, when the ceiling is vaulted or sloped, or under a big window where a wall unit will not fit. Heat coming in at floor level also suits an older house that feels cold underfoot.
Best for
Vaulted ceilings, under windows, tight wall space, older homesDucted (short-run)
A slim air handler hidden in a soffit, closet or attic that feeds two or three rooms through a short duct run. You get the efficiency and zone control of a mini-split with nothing visible in the room but a grille. More work to install, and worth it when the finish matters.
Best for
Multiple small rooms, bedroom wings, anywhere nothing should show
Why so many Missoula homes end up ductless
A lot of the housing stock through the older parts of Missoula was built without ductwork, or had it added later in whatever path the framing allowed. Retrofitting proper ducts into that kind of house means opening walls and ceilings, losing closet space, and paying for the drywall work afterwards.
A mini-split skips all of it. The line set between the outdoor unit and the indoor head is roughly three inches across, so it needs one small penetration instead of a chase. The room gets heat and air conditioning, and the house does not get taken apart to do it.
The other half of the argument is zoning. A furnace heats the whole house to one setpoint whether you are using the rooms or not. A multi-zone mini-split lets each head run at its own temperature, so you are not paying to condition a spare bedroom nobody is in.
Do mini-splits actually work in a Montana winter?
Yes, with the right equipment. This is the question we get more than any other, and the honest answer has a condition attached to it.
Cold-climate heat pumps use variable-speed compressors that keep pulling heat out of outdoor air far below freezing, and they keep producing usable heat well below zero. That is a genuinely different machine from the heat pumps that gave the technology a bad name in the 1990s.
What decides whether yours performs is sizing and commissioning. A unit sized off a square-footage chart rather than a load calculation will struggle at the bottom of the temperature range, which is exactly when you need it. So will one that was never properly evacuated before it was charged. Neither of those is visible once the covers are on, which is why installation quality matters more than the badge on the box.
One zone or several
A single-zone system is one outdoor unit and one indoor head. It is the least expensive way in, and it is the right call when you are solving one specific problem: a cold back bedroom, a shop, an apartment over the garage.
A multi-zone runs several indoor heads off one outdoor unit, each controlled on its own. It costs more up front and it is the better answer when you are conditioning most of a house, because you are not paying for several outdoor units and several sets of line work.
There is a point where a multi-zone stops making sense and a ducted system is the less expensive answer. We will tell you when you have crossed it rather than selling you eight heads.
Equipment
We install Mitsubishi Electric and American Standard equipment.
Mitsubishi Electric is what we reach for on the ductless and cold-climate side, because their cold-climate line is built for the temperatures this valley actually sees. American Standard covers the gas furnace and ducted work.
You will see both on the units in our own job photos rather than in a brochure.
Warranty
What is covered, and by whom
Equipment we install carries the manufacturer's standard warranty. The term and what falls under it depend on the manufacturer and on the specific system, and manufacturer coverage generally depends on the equipment being registered after it goes in.
We will put the actual terms for your equipment in writing with your estimate. We would rather do that than print a number on a web page that does not hold on every job.
Our own work sits alongside that. If something we installed was not installed right, we come back and put it right. Both owners are on the job, so there is nobody to hand that to.
Free estimate
Ask us about mini-split installation
Tell us about the house and what you are trying to solve. We will come out, look at it properly and give you a free estimate.
- You send this or callName and a number is genuinely all we need.
- We come out and lookAt the actual house. It is the only honest way to size anything.
- You get a free estimateA clear scope, no charge, and nothing attached to it.
Questions
Mini-Split Installation questions
Do mini-splits work in Montana winters?
Do I need ductwork for a mini-split?
Should I get a mini-split?
How long does a mini-split installation take?
What brands of mini-split do you install?
Do you charge for an estimate?
Where we work
Mini-Split Installation near you
Rather just talk to someone?
Call the shop weekdays, 8am to 5pm. You will get one of the owners.