Mini Split Installation in Cape Girardeau, 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 Cape Girardeau County will get in touch.
Tell us about the job
It takes about a minute.
A mini-split here runs almost all year
Cape Girardeau needs heat or cooling twelve months out of the year. Seven months of that is heat, from October through April, with winter nights averaging 27°F. The other five months, May through September, the unit is cooling against afternoons that average 88°F. There is barely a season where it sits idle.
A new mini-split has to be sized to do both jobs well, not just one. Any unit manufactured now has to meet the federal minimum for a split-system heat pump, 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. Almost half the homes here heat with electricity, so how well that heating side performs on a 27°F night matters as much as how it handles a 88°F afternoon.
- 7 months
- October through April, your system heats
- 5 months
- May through September, it cools
- 27°F
- the average winter night it heats against
- 88°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
- Is a mini split worth it?
- For most homes it is, especially where a room runs hot or cold no matter what the rest of the house does. A mini split heats and cools that space directly, without ductwork. It keeps working through Cape Girardeau's swing from 27°F winter nights to 88°F summer afternoons. Whether it makes sense for your house depends on the layout and what you already have for heat and air, so a contractor can walk through that with you.
- How many rooms can a mini split cover?
- A single outdoor unit can run one indoor head or several, depending on the system. Multi-zone systems support more than one indoor head off one condenser, each one set to its own room and its own temperature. How many your house needs comes down to square footage and layout, which a contractor should measure room by room before sizing anything.
- Can a mini split heat a whole house?
- It can, if there are enough indoor heads placed to reach every room. A mini split is a heat pump, and heat pumps keep working in cold weather. That matters here, since homes need heat from October through April. Getting a whole house covered comes down to design, enough heads, sized right, placed where the heat loss actually happens. That takes a room-by-room look at the house, not a general answer.