A mini-split is a heat pump that skips the ductwork entirely — an outdoor unit, a small refrigerant line through the wall, and one or more indoor heads. It is the right answer for the room in your house that has never been comfortable.
Where They Make Sense
- Additions and bonus rooms the original ductwork never reached
- Finished attics and above-garage rooms that bake in summer and freeze in winter
- Garages and workshops you want to actually use in January
- Older homes with boilers and radiators that have no ducts for air conditioning
- Three-season porches you want to make four-season
- Any room where running new duct means tearing open finished ceilings
Heating And Cooling In One
A mini-split is not just air conditioning. The same unit heats, and cold-climate models are rated to keep producing heat well below zero — which makes them a genuine primary heat source for a space, not just a summer fix. For a garage or a converted attic, that is usually the whole solution in one piece of equipment.
Doing It Right
- Sizing per zone — oversized heads short cycle and leave the room humid
- Head placement chosen for the room’s actual airflow, not for whatever wall is easiest to drill
- Line-set routing planned before we cut, and exterior runs covered properly rather than left as bare insulated tube
- Deep vacuum and verified charge, same as any refrigerant system
- Condensate routed somewhere sensible instead of dripping down your siding
Rebate Eligible
Ductless heat pumps qualify for the same categories of incentive money as ducted heat pumps. Worth checking before you buy — see what applies →
Service Area
We cover Green Bay, De Pere, Ashwaubenon, Howard, Suamico, Bellevue and Allouez, plus Brown County and eight surrounding counties across Northeast Wisconsin. See the full service area →
Why It Matters
The usual alternatives for a problem room are a window unit and a space heater — loud, inefficient, and in the space heater’s case a genuine fire risk. A mini-split solves both seasons at once, runs quietly, and does not have to be hauled in and out twice a year.
Frequently Asked Questions
How many indoor heads can one outdoor unit run?
Commonly up to four or five depending on the equipment. Whether that is the right design is a separate question — sometimes two smaller outdoor units beat one large multi-zone.
Are they loud?
Indoor heads are very quiet, generally quieter than a refrigerator. The outdoor unit is comparable to a standard AC condenser.
Can a mini-split heat my whole house?
Sometimes, in a smaller or well-insulated home with a good layout. More often it is the right tool for specific zones alongside your main system. We will tell you which situation you are in.
Prefer to talk? Call (920) 304-9377