Mini Split Installation in Oklahoma City, OK
A new system here will heat from October through April and cool from May through September every year. Tell us about the house, and a licensed contractor who covers Oklahoma County will get in touch.
Tell us about the job
It takes about a minute.
Your mini-split works almost every month here
Oklahoma City asks for heat from October through April and cooling from May through September. That is 12 months of the year with barely a break between seasons. A mini-split installed here needs to handle winter nights that average 30°F and summer afternoons that hit 92°F, without much rest in between.
Any mini-split installed new has to clear the federal minimum of 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. That is the baseline for the unit itself. Whether it keeps up on a 30°F night or a 92°F afternoon comes down to sizing it right for the room and the house it's going into.
- 7 months
- October 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 issues that license after the contractor is tested, and it keeps a record of who holds one. The license belongs to the contractor, not to any single job, so the same license that covers a furnace or water heater install also covers a mini-split.
For a mini-split installed in Oklahoma County, that license is what stands behind the work, but most cities and counties still require a permit from the local building office and an inspection once the installation is finished. The permit is a separate check on the work itself, done by someone other than the contractor who installed it.
Source: Oklahoma State Legislature
- Is a mini split worth it?
- For the right setup, yes. A mini split heats and cools without ducts, so it works well in a room addition, a garage, or a house that never had duct work run to it. It also handles both jobs here, since Oklahoma City homes need heat from October through April and cooling from May through September. Whether it makes sense for your house depends on what you have now and what you're trying to fix, and a contractor can walk through that with you.
- How many rooms can a mini split cover?
- A single-zone system heats and cools one room or open area. If you need more than one room covered, a multi-zone system runs several indoor units off one outdoor unit, and each indoor unit handles its own space with its own thermostat. The number of zones a given outdoor unit can support depends on the equipment, so a contractor can size that to your house.
- Can a mini split heat a whole house?
- It can, if enough zones are installed to reach every room. Each indoor unit only heats the space it's mounted in, so a house needs one in every room or area you want warm, not just a unit or two in the main living space. Winter nights here average 30°F, so the system has to be sized to keep up with that, and a contractor can work out how many zones your house needs.