Mini Split Installation in Columbus, IN
A new system here will heat from October through April and cool from June through September every year. Tell us about the house, and a licensed contractor who covers Bartholomew County will get in touch.
Tell us about the job
It takes about a minute.
Bartholomew County asks a lot of a mini-split
Your mini-split needs to run eleven months a year here. Heat from October through April, cooling from June through September, with only a few weeks off in between.
Winter nights average 24°F, cold enough that the heat pump side is doing real work, not just backup duty. Summer afternoons average 84°F, so the cooling side runs most days it's on. A new unit installed here has to be sized for both jobs, not just the mild months between them. Any mini-split manufactured now has to meet 14.3 SEER2 for cooling and 7.5 HSPF2 for heating, and in a climate that leans on both sides of the system, that efficiency floor matters more than it would somewhere milder.
- 7 months
- October through April, your system heats
- 4 months
- June through September, it cools
- 24°F
- the average winter night it heats against
- 84°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
In Indiana, HVAC licensing for homes is left to the counties and cities.
Bartholomew County sets its own rule for who can do this work, since Indiana leaves HVAC licensing to the counties and cities rather than issuing a state license. Whether a contractor needs to be licensed or registered here, and what that takes, depends on the local office that covers this address, not on any state list.
For this mini-split, that means the permit is what stands in for a license. In most cities and counties, installing a mini-split needs a permit from the local building office, with an inspection once the work is done, the same as a new furnace or air conditioner would need. That inspection is what checks the work here.
Sources: Indiana Department of Workforce Development · State of Indiana
- Is a mini split worth it?
- For the right space, yes. A mini split heats and cools one room or a few rooms without ductwork, and it runs on a heat pump, so it can handle both the 24°F winter nights and the 84°F summer afternoons here instead of you running a separate heater and window unit. It makes the most sense for an addition, a garage, or a home that does not have ducts to begin with. A contractor can look at the space and tell you whether it fits what you need.
- How many rooms can a mini split cover?
- A single indoor head covers one room or an open area well. If you need more than that, a multi-zone system lets one outdoor unit run several indoor heads at once, each with its own thermostat, so you can cover more than one room off the same system. How many heads makes sense depends on the size and layout of the rooms, which is something a contractor sizes for the house.
- Can a mini split heat a whole house?
- It can, but it takes a matching number of indoor heads to do it, one for each room or zone, since a mini split does not use ducts to move air around the house. Homes here need heat from October through April, so whatever covers the house has to hold up on the coldest nights too. A contractor can size a multi-zone system against the layout of the house and tell you what it would take to cover it all.