Mini Split Installation in Valley City, ND
A new system here will heat from September through May and cool from July through August every year. Tell us about the house, and a licensed contractor who covers Barnes County will get in touch.
Tell us about the job
It takes about a minute.
What a mini-split has to handle here
Valley City asks a mini-split to run nine months of the year, from September through May. Winter nights average 3°F, cold enough that the unit needs to be a cold-climate heat pump built to keep pulling heat from air that cold. Summer only calls on it for July and August, with afternoons around 79°F, so the cooling side gets the lighter workload.
Any mini-split installed new has to meet the federal minimum for a split-system heat pump. That is 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. With winter the long season here, the heating side of that rating is the one that matters most.
- 9 months
- September through May, your system heats
- 2 months
- July through August, it cools
- 3°F
- the average winter night it heats against
- 79°F
- the average summer afternoon it cools against

NOAA nClimDiv, 1991–2020 normals
North Dakota requires HVAC contractors to hold a state license.
The license is held by the contractor, not issued for each job. It comes from the Secretary of State, who keeps that record on file. Work under $4,000 in North Dakota does not need a licensed contractor at all, so on a small job that line matters as much as the license does.
Most cities and counties also require a permit for a mini-split installation, with an inspection once the work is done. That inspection checks the installation itself, separate from whatever the license already covers on the contractor's end.
Sources: North Dakota Legislative Branch · North Dakota Secretary of State
- Is a mini split worth it?
- For a lot of homes, yes, especially a room or addition that never gets even heat now. A mini split puts heat right where the indoor unit is, so a cold room or a garage conversion can hold a steady temperature without touching ductwork. Here winters run cold enough, average lows around 3°F in December through February, that a mini split usually works alongside a home's main heat rather than replacing it. A contractor can look at the space and tell you whether one or two indoor units make sense.
- How many rooms can a mini split cover?
- One outdoor unit can run one indoor head, or several. A single-zone system heats and cools one room or open area. A multi-zone system ties one outdoor unit to two, three, or more indoor heads, each with its own thermostat, so you can heat a bedroom and a living room at different temperatures at the same time. How many zones one outdoor unit can carry depends on the unit's capacity and the size of the rooms, so a contractor will size it to the specific house.
- Can a mini split heat a whole house?
- It can, if enough zones are installed to reach every room. Some homes run a multi-zone mini split as their only heat source, with an indoor head in each main room. Homes here need heat nine months a year, September through May, with winter nights averaging 3°F, so whole-house heating with a mini split means sizing every zone for real cold, not just mild days. A contractor can work out how many indoor units the house needs and whether the outdoor unit can keep up on the coldest nights.

