Mini Split Installation in Parker, AZ
A new system here will heat from November through February and cool from April through October every year. Tell us about the house, and a licensed contractor who covers La Paz County will get in touch.
Tell us about the job
It takes about a minute.
Parker asks a mini-split to run almost all year
Cooling runs April through October here, seven months where afternoons average 105°F. Heat only comes on November through February, and even then winter nights average 42°F. Eleven months a year the system is doing one job or the other, which puts the compressor to work far more than it would in a milder place.
A mini-split installed now has to meet the federal minimum for split-system heat pumps, 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. In a place where summer is the long season and the harder one, that cooling rating matters more than it would somewhere heat-dominated.
- 4 months
- November through February, your system heats
- 7 months
- April through October, it cools
- 42°F
- the average winter night it heats against
- 105°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
Arizona requires HVAC contractors to hold a state license.
Arizona's license sits with the contractor, not the job. The Registrar of Contractors tests and records the business itself, so once a contractor holds that license, it covers the work they do across the state, not a separate approval for this particular installation.
For this mini-split, that license is what stands behind the work. Most cities and counties in Arizona also require a permit for an installation like this, with an inspection from the local building office once the work is finished.
Sources: Arizona State Legislature · Arizona Registrar of Contractors
- Is a mini split worth it?
- For most homes here, yes, because a mini split handles both jobs, cooling from April through October and heat from November through February. Summer afternoons average 105°F here, and a mini split sends cooling straight to the room instead of losing it through ducts. Winter nights average 42°F, mild enough that a heat pump mini split can carry the heat without a backup furnace in most homes. It also gives you a way to close off rooms you're not using, which a central system can't do.
- How many rooms can a mini split cover?
- One outdoor unit can run several indoor heads, so the number of rooms depends on the system a contractor puts in. A single-zone system heats and cools one room. A multi-zone system splits the output across several indoor heads, each with its own thermostat, so you can run one room warmer or cooler than the next. A contractor sizes the outdoor unit and picks the number of heads based on the square footage and layout of the house.
- Can a mini split heat a whole house?
- It can, if enough indoor heads are placed to reach every room. A multi-zone mini split with a head in each main living space and bedroom heats the whole house the same way a furnace does, just room by room instead of through ducts. Winter nights here average 42°F, well within what a heat pump mini split is built to handle. A contractor will look at the layout and square footage of the house to decide how many heads and how much output it takes to cover it.