Mini Split Installation in Anaheim, CA
A new system here will heat from December through March and cool from June through October every year. Tell us about the house, and a licensed contractor who covers Orange County will get in touch.
Tell us about the job
It takes about a minute.
Anaheim asks a mini-split to run nine months a year
Winter nights average 47°F here. Summer afternoons average 82°F. Neither one is extreme, but between the two, a mini-split works nine months out of the year, heat from December through March, cooling from June through October. That is a lot of hours on the compressor for a system many homes have never had before, since most of Anaheim heats with gas.
A new mini-split has to meet the federal minimum for a split-system heat pump. That means 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. That number is the floor, not a selling point, so it is worth knowing where any unit you are quoted actually falls against it.
- 4 months
- December through March, your system heats
- 5 months
- June through October, it cools
- 47°F
- the average winter night it heats against
- 82°F
- the average summer afternoon it cools against

NOAA nClimDiv, 1991–2020 normals
California requires HVAC contractors to hold a state license.
California licenses HVAC contractors through the Contractors State License Board. The license covers the contractor, not this particular job, so it is the business itself that holds the license, not the mini-split install.
That license is what stands behind the person doing this work. Beyond it, most cities and counties require a permit from the local building office for this kind of installation, with an inspection once the work is done.
Sources: California Legislative Counsel · Contractors State License Board
- Is a mini split worth it?
- For most Anaheim homes, yes. Winters here are mild, with lows around 47°F, and summer afternoons average 82°F, so a mini split's heat pump can handle both sides of the year without a separate furnace and AC. Homes here need heating or cooling nine months a year, so a system that does both from one outdoor unit gets used a lot. It also gives you zone control, so you're not heating or cooling rooms nobody's in.
- How many rooms can a mini split cover?
- A single outdoor condenser can run one indoor head or several, depending on the system. Single-zone systems cover one room or open area. Multi-zone systems can run up to four or five indoor heads off one outdoor unit, each with its own thermostat, so you can cover several rooms while controlling each one separately. How many zones makes sense for your house depends on the layout and the size of each room, which is something a contractor needs to look at directly.
- Can a mini split heat a whole house?
- It can, if it's sized and placed for that. A multi-zone mini split with enough indoor heads can heat every room in a house the same way central heat does, just without ducts. Anaheim's heating season is short, December through March, which is easier on a heat pump than a longer or colder winter would be. Whether a mini split can cover your whole house depends on the square footage and floor plan, so a contractor will need to size the system for your home specifically.

