Mini Split Installation in Southaven, MS
A new system here will heat from November through March and cool from May through September every year. Tell us about the house, and a licensed contractor who covers DeSoto County will get in touch.
Tell us about the job
It takes about a minute.
What a mini-split needs to handle in Southaven
Your mini-split will run ten months a year in Southaven. Homes here need heat from November through March and cooling from May through September, with winter nights averaging 34°F and summer afternoons averaging 90°F. There is not much of a break between the two seasons.
Any new unit has to meet the federal minimum for a split-system heat pump, 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. That rule applies to mini-splits the same as any other heat pump. DeSoto County has also seen its share of winter storms and damaging wind over the past ten years, and a good number of Mississippi households lose power for a day or more at some point. That is worth raising with whoever installs the system.
- 5 months
- November through March, your system heats
- 5 months
- May through September, it cools
- 34°F
- the average winter night it heats against
- 90°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
Mississippi requires HVAC contractors to hold a state license.
The license is issued to the contractor by the State Board of Contractors, not to any single job. That means the testing and the record behind it cover the business, and the same license is supposed to be on file whether the crew is installing a mini-split in DeSoto County or working on a furnace across the state.
For this job, that license is what stands behind the person doing the work, but installing a mini-split in most DeSoto County cities and the unincorporated county also needs a permit from the local building office, with an inspection once the work is finished. The permit is what gets the line set and electrical connections looked at by someone outside the company doing the install.
Source: Mississippi State Board of Contractors
- Is a mini split worth it?
- For the right space, yes. A mini split heats and cools without ductwork, so it works well for a room addition, a garage, or a house that relies on window units or space heaters now. Southaven sees five months of heat and five months of cooling each year, and a mini split handles both from the same unit. Whether it makes sense for your whole house or just part of it depends on how your home is set up now, which is something a contractor can walk through 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. Single-zone systems cover one room or open area. Multi-zone systems connect several indoor heads to one outdoor unit, each with its own thermostat, so you can heat or cool different rooms to different temperatures at the same time. How many zones your house needs comes down to the layout and square footage, which a contractor should measure room by room.
- Can a mini split heat a whole house?
- It can, if enough indoor units are placed to cover every room and the system is sized for the house. Mini splits are heat pumps, so they pull in outside heat rather than burn fuel, and they keep working in cold weather down to the manufacturer's rated temperature. Southaven winter nights average 34°F, which is within range for most current heat pump systems. A contractor can size the system to your square footage and tell you whether a single system covers the whole house or whether some rooms need their own zone.