Mini Split Installation in Show Low, AZ
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 Navajo County will get in touch.
Tell us about the job
It takes about a minute.
Show Low asks a mini-split to work most of the year
Homes here need heat or cooling 11 months a year. Winter nights average 21°F from December through February, and a heat pump has to pull heat out of that cold air night after night. Summer afternoons average 88°F, a much easier job for the cooling side.
Almost a third of homes here still heat with wood, but any mini-split installed now still has to meet the federal minimum. A unit built since the start of 2023 has to hit at least 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. With heating season running October through May here, that heating rating carries more weight than the cooling one does.
- 8 months
- October through May, your system heats
- 3 months
- June through August, it cools
- 21°F
- the average winter night it heats against
- 88°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
Arizona requires HVAC contractors to hold a state license.
That license is issued through the Registrar of Contractors, and it covers the contractor as a business, not the specific job at your house. Getting it means the state tested the contractor and keeps a record of them. It doesn't mean someone from the state checks the mini-split once it's on your wall.
That check comes from the local building office. In most Arizona cities and counties, installing a mini-split needs a permit before the work starts and an inspection once it's done, and that inspection is what confirms the lines, wiring and mounting on this particular job were done right. The state license tells you the contractor was tested and is on record. The permit and inspection tell you this installation was checked.
Sources: Arizona State Legislature · Arizona Registrar of Contractors
- Is a mini split worth it?
- For the right room or house, yes. A mini split heats and cools without ductwork, so one system covers both jobs instead of two separate ones. Homes in Show Low need heat or cooling 11 months of the year, so a system that does both earns its keep here. Whether it makes sense for your house depends on how it's laid out and what's heating it now, so a contractor should walk through it with you.
- How many rooms can a mini split cover?
- A single outdoor unit can run several indoor heads, with the exact number depending on the model. Each indoor head handles one room or open area on its own thermostat, so a small addition might need just one head while a larger house needs more. The right number comes down to square footage and how the rooms are laid out, which is something a contractor sizes room by room, not by a rule of thumb.
- Can a mini split heat a whole house?
- Yes, with enough indoor heads placed in the right rooms. A multi-zone system needs to be sized for real winter conditions, and that matters here since winter nights average 21°F from December through February. What it takes is the right number of heads and the right size outdoor unit for the square footage, and that's a room-by-room calculation a contractor needs to make for your house specifically.