Mini Split Installation in Yuma, AZ
A new system here will heat from December through February and cool from April through October every year. Tell us about the house, and a licensed contractor who covers Yuma County will get in touch.
Tell us about the job
It takes about a minute.
Ten months of work a year, in heat that doesn't let up
A mini-split in Yuma works most of the year. Cooling runs April through October, seven months of afternoons that average 105°F. Heating is short by comparison, just December through February, and mild, with nights averaging 43°F. A new system here has to be sized for that split, long and hard on cooling, brief and light on heat.
Any unit installed new has to meet the federal minimum for split-system heat pumps. That is 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. With cooling carrying most of the year here, the cooling efficiency of the unit you choose is what will matter most.
- 3 months
- December through February, your system heats
- 7 months
- April through October, it cools
- 43°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.
The license is held by the contractor, not issued job by job, so it is the company's record with the Registrar of Contractors that stands behind the work, not a separate approval for your mini-split.
Because this is an installation, the local building office is what checks the actual work. In most cities and counties, putting in a mini-split needs a permit and an inspection once the job is done, and that inspection is what confirms the wiring and refrigerant lines were done right, separate from whatever the state license already tells you about the contractor.
Sources: Arizona State Legislature · Arizona Registrar of Contractors
- Is a mini split worth it?
- For most homes in Yuma, yes. Summer afternoons here average 105°F, and a mini split runs on a heat pump built to handle that kind of heat without ductwork to install or maintain. Winters are mild too, average lows around 43°F, so the same unit covers heating, and you run one system for the 10 months a year this climate asks for it.
- How many rooms can a mini split cover?
- A single outdoor unit can run one indoor head or several, depending on which system a contractor installs. A single-zone system heats and cools one room or open area. A multi-zone system connects several indoor heads to one outdoor unit, each with its own thermostat, so a contractor can size it to cover as many rooms as the house needs.
- Can a mini split heat a whole house?
- It can, if enough indoor units are placed to reach every room. A multi-zone mini split with a head in each living space works as a whole-house heating system, and because it is a heat pump it handles Yuma's mild winters, down to that 43°F average low, without trouble. Whether one outdoor unit covers the whole house or a second one is needed depends on the size and layout of the house, which a contractor has to look at directly.