Mini Split Installation in Chickasha, OK
A new system here will heat from November through April and cool from May through September every year. Tell us about the house, and a licensed contractor who covers Grady County will get in touch.
Tell us about the job
It takes about a minute.
What a mini-split in Chickasha has to handle
Your mini-split will run most of the year here. Homes need heat from November through April, then cooling from May through September, six months of one and five of the other with barely a break between. Winter nights average 30°F, cold enough that the heat pump has to keep pulling warmth out of the air night after night. Summer afternoons average 92°F, and the same unit has to switch over and hold the house cool through the months that follow.
A unit built on or after January 1, 2023 has to meet 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. A ductless heat pump falls under the same federal minimum as any other split system, so there is no lower bar for going ductless.
- 6 months
- November through April, your system heats
- 5 months
- May through September, it cools
- 30°F
- the average winter night it heats against
- 92°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
Oklahoma requires HVAC contractors to hold a state license.
The Construction Industries Board tests and licenses the contractor, not the job itself, so the same license covers this installation and the next one they do. That license is tied to the person or business, and it stays on record with the state whether or not you ever check it.
For a mini-split installation, that license is what stands behind the work. In most cities and counties, the job also needs a permit from the local building office, with an inspection once it's done, and that inspection is what catches a bad connection or a mistake in the setup separate from anything the license covers.
Source: Oklahoma State Legislature
- Is a mini split worth it?
- For a lot of homes here, yes. A mini split handles both sides of the year, the cold nights from November through April and the 92 degree afternoons in summer, without ductwork. Almost half the homes in this area already heat with electricity, so a heat pump system like this fits how the power is already set up. It also gives you a way to heat or cool key rooms if a storm knocks out your main system, and this area sees its share of winter storms and damaging wind.
- How many rooms can a mini split cover?
- A single outdoor unit can run one room or several, depending on how many indoor heads are connected to it. Single-zone systems cover one room or one open area. Multi-zone systems connect several indoor heads to one outdoor unit, each with its own thermostat, so different rooms can run at different temperatures at the same time. A contractor will look at the layout of the house and size the system to the rooms you want covered.
- Can a mini split heat a whole house?
- It can, if enough indoor heads are placed to reach every room. A mini split is a heat pump, and heat pumps are built to heat as well as cool. Winter lows here average 30°F, so the system needs to be sized and chosen to keep up on the coldest nights, not just the mild ones. A contractor can work out how many zones a specific house needs to heat it all the way through.