Mini Split Installation in Raymore, MO
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 Cass County will get in touch.
Tell us about the job
It takes about a minute.
What a mini-split in Raymore has to handle
Raymore needs heat or cooling every month of the year, heat from October through April and cooling from May through September. Winter nights average 24°F through the coldest months, and summer afternoons average 87°F, so a new mini-split runs hard on both ends with barely a break between.
A mini-split is a split system under the federal standard, so one built on or after January 1, 2023 has to meet 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. Those are minimums, not a guarantee of comfort at 24°F or 87°F. Cass County also sees its share of winter storms and damaging wind, and with almost a fifth of Missouri households losing power for a day or more in 2024, it's worth asking how a new system handles a restart once power comes back.
- 7 months
- October through April, your system heats
- 5 months
- May through September, it cools
- 24°F
- the average winter night it heats against
- 87°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
- Is a mini split worth it?
- For the right room, yes. A mini split heats and cools a space without ductwork, and it runs on a heat pump, so one unit handles both jobs. Raymore needs heat or cooling all twelve months, winter lows near 24°F and summer highs near 87°F, so a system that covers both without a furnace and a separate AC is worth looking at. Whether it makes sense for your whole house depends on the layout, and that's a question a contractor should walk through with you room by room.
- How many rooms can a mini split cover?
- A single outdoor unit can run one indoor head or several, depending on the system. Single-zone systems cover one room. Multi-zone systems tie one outdoor unit to multiple indoor heads, each with its own thermostat, so you can cover several rooms and control them separately. How many heads a given outdoor unit can support depends on its capacity, so a contractor will size that against the square footage and layout of your house.
- Can a mini split heat a whole house?
- It can, if enough zones are installed to reach every room. A mini split is a heat pump, and a multi-zone setup with heads placed through the house can carry the heating load the same way a furnace does. Raymore sees winter lows around 24°F, so the system has to be sized for that cold, not just for a mild day. A contractor can work out how many zones your house needs and confirm the capacity matches your coldest nights.