Mini Split Installation in Red Lodge, MT
A new system here will heat from September through June and cool from July through July every year. Tell us about the house, and a licensed contractor who covers Carbon County will get in touch.
Tell us about the job
It takes about a minute.
A mini-split here works ten months of the year
Red Lodge asks a mini-split to heat far more than it cools. September through June, the compressor runs to keep the house warm, and on winter nights that average 15°F it has to work hard to do it. July is the only month cooling carries the load, with afternoons averaging 76°F. That leaves one month a year the system gets any rest.
A heat pump built for that has to hold up on the coldest nights, not just perform on the mild days between. Any mini-split installed new has to meet 14.3 SEER2 for cooling and 7.5 HSPF2 for heating, the federal minimum for split-system heat pumps since January 2023. In a place where heat is needed ten months a year, the heating number matters as much as the cooling one, if not more.
- 10 months
- September through June, your system heats
- 1 months
- July through July, it cools
- 15°F
- the average winter night it heats against
- 76°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
Montana requires HVAC contractors to hold a state license.
Montana licenses HVAC contractors through the Department of Labor and Industry. That license covers the contractor, not each individual job. Work under $2,500 does not need a licensed contractor in Montana.
Most cities and counties also require a permit for a furnace, air conditioner, heat pump or water heater installation, along with an inspection once the work is done. That local inspection is what checks the unit was put in correctly. In Montana, that permit and inspection sit alongside the state license as part of what stands behind a mini-split installation.
Source: Montana Legislature
- Is a mini split worth it?
- For most homes here, yes, because a mini split heats and cools with the same unit and homes here need one or the other 11 months of the year. Winter nights average 15°F, so the heat pump needs to hold up on the coldest nights, not just take the edge off in spring and fall. Ask the contractor about the unit's rated output at low temperatures before deciding, since not every model performs the same at 15°F.
- How many rooms can a mini split cover?
- A single outdoor unit can run one indoor head or several, depending on the system. Single-zone systems cover one room or open area. Multi-zone systems run several indoor heads off one outdoor unit, each with its own thermostat. A contractor sizes the system to the rooms you want covered and how they're laid out, since a wall between two rooms changes what one head can reach.
- Can a mini split heat a whole house?
- It can, if the system is sized and placed for the whole house rather than one or two rooms. That usually means a multi-zone system with an indoor head in each area that needs heat, not one unit trying to push air through the whole home. Given that homes here need heat from September through June, the system also has to be rated to keep up on nights near 15°F. A contractor can work out how many zones your house needs and whether the heat pump you're considering is rated for that cold.