A gray tabby cat sleeps curled up on a dark gray bed in a dimly lit modern bedroom with warm ceiling cove lighting and a wall-mounted air conditioning unit.

Mini Split Installation in Lexington, NE

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 Dawson County will get in touch.

Tell us about the job

It takes about a minute.

Step 1 of 3: Equipment

What kind of equipment?*

A tabby cat rests on a made bed in a dark modern bedroom equipped with a wall-mounted split air conditioner.

Eleven months of work for one system in Lexington

Your mini-split gets almost no season off here. Heat runs October through May. Cooling picks up June through August. Only one month sits idle. Winter nights average 16°F, and at that temperature the heat pump side is doing real work, not just helping out a furnace on the coldest nights.

A unit installed now has to meet 14.3 SEER2 for cooling and 7.5 HSPF2 for heating, the federal minimum for split-system heat pumps built since January 2023. It still needs power to run. A quarter of Nebraska households went at least 24 hours without power in 2024, and Dawson County has seen 17 winter storms and 121 damaging wind events over the past ten years.

8 months: October through May, your system heats
3 months: June through August, it cools
16°F: the average winter night it heats against
85°F: the average summer afternoon it cools against

Isometric illustration of a cutaway gray house with a dark shingled roof, showing two wall-mounted indoor air handlers connected by line sets to an outdoor condenser unit on a pad outside.

Your system heats October through May and cools June through August.

Jan

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May

Jun

Jul

Aug

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Oct

Nov

Dec

NOAA nClimDiv, 1991–2020 normals

Nebraska requires contractors to register with the state.

That registration puts the business on file with the Department of Labor and nothing more. There is no trade exam behind it and no license number tied to one. It means the business exists on paper, not that the state tested its work or stands behind this installation.

For a mini-split, the protection comes from somewhere other than that registration. In most cities and counties here, installing one needs a permit from the local building office and an inspection once the work is done. That inspection is what checks the installation. The registration does not.

Source: Nebraska Legislature

Is a mini split worth it?: For the right room or house, yes. A mini split heats and cools without ducts, and it holds its rated efficiency because the compressor sits right outside the space it serves. Here, where homes need heat or cooling 11 months of the year, a system that handles both jobs well is worth looking at closely. A contractor can walk the house and tell you where it makes sense and where it does not.
How many rooms can a mini split cover?: A single outdoor unit can run up to eight indoor heads, depending on the system. Each indoor head is sized to the room it serves, so the outdoor unit has to be matched to the total load of every room combined, not just the count of rooms. A contractor sizes this from the square footage and layout of the actual house.
Can a mini split heat a whole house?: It can, if it is sized and placed to cover every room. Winter nights here average 16°F, and a mini split rated for cold climates keeps producing heat at those temperatures without dropping into backup mode. What decides whether one system can carry the whole house is the layout, the number of rooms needing their own head, and how the house holds heat. That is a room-by-room calculation a contractor works out on site.

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