Mini Split Installation in Bartlesville, 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 Washington County will get in touch.
Tell us about the job
It takes about a minute.
What Bartlesville asks of a mini-split
Your mini-split works in both directions here. Winter nights average 27°F from December through February, and the heat pump has to keep pulling warmth out of that cold air. Summer afternoons average 90°F, and the same unit has to catch up on the other end. Between the two, homes here need heat or cooling every month of the year, seven months of heating and five of cooling.
A new unit installed now has to meet the federal minimum for split-system heat pumps, 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. That rule applies to a ductless mini-split the same as any other split system, since the standard does not treat ductless as its own category.
- 7 months
- October through April, your system heats
- 5 months
- May through September, it cools
- 27°F
- the average winter night it heats against
- 90°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
Oklahoma requires HVAC contractors to hold a state license.
The license is issued to the contractor as a business, after testing by the Construction Industries Board, and it stays on file with the state. It does not cover this job specifically. It means the person or company doing your mini-split install has met the state's standard and can be checked against that record, but nobody from the state signs off on this particular installation.
That sign-off comes from your local building office. A mini-split install needs a permit in most cities and counties, and an inspector checks the work once it is done. That inspection is what confirms this specific job was done right, separate from whatever the contractor's license already tells you about them.
Source: Oklahoma State Legislature
- Is a mini split worth it?
- For the right space, yes. A mini split heats and cools without ducts, so it works well for a room addition, a garage, or a home that relies on window units. Bartlesville winters average 27°F on winter nights and summers reach 90°F, and a mini split rated for this climate can handle both ends of that. A contractor can look at the space you want covered and tell you whether it fits better than a ducted system.
- How many rooms can a mini split cover?
- A single-zone system heats and cools one room or open area. If you need coverage in several rooms, a multi-zone system runs more than one indoor unit off a single outdoor unit. Each zone has its own thermostat, so rooms can run at different temperatures at the same time. How many zones a house needs depends on the layout, which is something a contractor sizes room by room.
- Can a mini split heat a whole house?
- It can, with enough indoor units placed where the house needs heat. A multi-zone mini split puts one head in each main room, and together they cover the whole home instead of just one space. Bartlesville homes need heat from October through April, seven months of the year, so the system has to be sized for winter nights that average 27°F, not just mild days. A contractor can size the outdoor unit and the number of zones to the square footage and layout of the house.