Mini Split Installation in La Crosse, WI
A new system here will heat from October through May and cool from June through August every year. Tell us about the house, and a licensed contractor who covers La Crosse County will get in touch.
Tell us about the job
It takes about a minute.
What a mini-split in La Crosse has to handle
Your mini-split will run nearly all year here. Homes in La Crosse County need heat from October through May, cooling from June through August. That's 11 months of the year the system is doing one job or the other.
Winter nights average 12°F, so the heat pump has to pull warmth out of very cold air, night after night. A mini-split built for this has to hold up at that temperature and still keep the house warm. Any new unit installed today also has to meet the federal minimum for split-system heat pumps, 14.3 SEER2 for cooling and 7.5 HSPF2 for heating, so that baseline is covered no matter which model goes in. What matters more here is how it performs once the temperature drops well below freezing, since that's where it will spend a lot of its time.
- 8 months
- October through May, your system heats
- 3 months
- June through August, it cools
- 12°F
- the average winter night it heats against
- 80°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
Wisconsin requires contractors to register with the state.
That registration puts the business on file with the state. It does not mean anyone tested the contractor's work or checked their skill with a mini-split install. Wisconsin also keeps counties and cities from layering on their own HVAC license, so this registration is the same wherever the job sits in La Crosse County.
What actually stands behind this job is the permit. Most cities and counties require one for a mini-split installation, along with an inspection once the work is done, and that inspection is what catches a bad line set connection or a unit set up wrong. That local permit and inspection are the checks that apply here, not the state registration.
Sources: Wisconsin Legislative Reference Bureau · Wisconsin Department of Safety and Professional Services
- Is a mini split worth it?
- For the right space, yes. A mini split heats and cools without ductwork, so it works well for an addition, a garage, or a house that relies on baseboard or space heaters now. La Crosse winters get down to 12°F on average at night, and cold climate mini splits are built to keep producing heat at those temperatures, which is not true of every heat pump on the market. Whether it makes sense for your house depends on what you are heating and cooling now, so a contractor should walk through the space before you decide.
- How many rooms can a mini split cover?
- A single outdoor unit can run one indoor head or several, depending on the system. A single-zone system covers one room or one open area well. A multi-zone system can run up to eight indoor heads off one outdoor unit, each with its own thermostat, so you can heat or cool a bedroom and leave another room off. How many zones a house needs depends on its layout, and a contractor can size that out room by room.
- Can a mini split heat a whole house?
- It can, if enough indoor heads are placed to cover every room and the system is sized for the coldest days here. A multi-zone mini split can run heads throughout a house the way a furnace serves every room through ducts. Homes here need heat from October through May, eight months a year, so the system has to be sized for nights near 12°F, not just for a mild fall day. A contractor can size a whole-house system based on the layout and how the house holds heat.