Mini Split Installation in Peoria, IL
A new system here will heat from October through May and cool from June through September every year. Tell us about the house, and a licensed contractor who covers Peoria County will get in touch.
Tell us about the job
It takes about a minute.
Peoria asks a mini-split to run almost year round
Winter nights here average 20°F from December through February. A mini-split has to keep pulling heat from air that cold for the whole stretch from October through May. Summer afternoons average 84°F, and the same unit switches over to cooling from June through September. That's 12 months where the system is doing one job or the other, with almost no time off in between.
A unit installed today has to meet the federal minimum for a split-system heat pump, 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. In Peoria that's not a number on paper. The unit gets asked to hit both sides of that rating every year it's in the wall.
- 8 months
- October through May, your system heats
- 4 months
- June through September, it cools
- 20°F
- the average winter night it heats against
- 84°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
In Illinois, HVAC licensing for homes is left to the cities and towns.
Check whether your city requires a license.
Source: Illinois General Assembly
- Is a mini split worth it?
- For the right room or house, yes. A mini split heats and cools without ductwork, so it works well for an addition, a garage, or a house that never had ducts installed. If you want it to carry the heating load here, ask the contractor for its rated output at low outdoor temperatures, not just the number on the box, since a heat pump puts out less heat as the air outside gets colder.
- How many rooms can a mini split cover?
- One outdoor unit can run up to eight indoor heads, depending on the system. Each head handles one room or one open area, and the outdoor unit has to be sized for the total load of every room it serves. A contractor works out how many zones your house needs by measuring each room, not by guessing from square footage alone.
- Can a mini split heat a whole house?
- Yes, if it is designed as a whole house system from the start. That means enough indoor heads placed to cover every room, and an outdoor unit sized for your coldest nights, not just a mild day. A heat pump puts out less heat as the outdoor air gets colder, so the system has to be picked with that in mind. A contractor can tell you whether your house is a good fit or whether some rooms are better served another way.