Mini Split Installation in Tyler, TX
A new system here will heat from November through March and cool from May through October every year. Tell us about the house, and a licensed contractor who covers Smith County will get in touch.
Tell us about the job
It takes about a minute.
Eleven months of work for a Smith County mini-split
Your mini-split works almost year round here. Winters average 38°F and homes need heat November through March, then summers average 93°F and cooling runs May through October. That is 11 months of the year the system is doing something, with only a short break between seasons.
Any new unit installed today has to meet the federal minimum for a split-system heat pump, 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. Smith County has also seen 9 winter storms and 148 damaging wind events over the past ten years, and across Texas a third of households lost power for at least 24 hours in 2024. Most electric heat here means a storm that cuts power cuts the heat too, so it's worth talking to your installer about how the system handles an outage.
- 5 months
- November through March, your system heats
- 6 months
- May through October, it cools
- 38°F
- the average winter night it heats against
- 93°F
- the average summer afternoon it cools against

NOAA nClimDiv, 1991–2020 normals
Texas requires HVAC contractors to hold a state license.
The Texas Department of Licensing and Regulation tests contractors before they can hold this license, and it keeps a record of who holds one. That license belongs to the contractor, not to any single job, so it covers the person you hire rather than this particular installation.
For a mini-split installation, the license tells you the person doing the work has met the state's bar. In most cities and counties here, this kind of installation also needs a permit from the local building office and an inspection once the work is done, which is what catches a bad connection or a wiring mistake before it becomes a problem.
Source: Texas Department of Licensing and Regulation
- Is a mini split worth it?
- For most Tyler homes, yes. You get eleven months a year where the house needs either heat or cooling, and a mini split handles both from the same outdoor unit. It works well for additions, garages converted to living space, or any room that never gets enough from the main system. A contractor can look at what you're trying to heat or cool and tell you if it fits your house.
- 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 run several indoor heads off one outdoor unit, each with its own thermostat, so different rooms can sit at different temperatures at the same time. How many zones your house needs comes down to the layout, and that's worth walking through with a contractor before you decide.
- Can a mini split heat a whole house?
- It can, if enough zones are placed to reach every room. A mini split is a heat pump, so it moves heat rather than burning fuel to make it, and that works fine down to Tyler's winter lows. Whole-house coverage usually means a multi-zone setup sized to the square footage and layout of the house, not one indoor unit trying to heat rooms it isn't in. A contractor can size the system to your house so no room gets left out.

