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A modern bedroom with dark furnishings, a wall-mounted air conditioning unit, and a cat resting on a large bed.

Mini Split Installation in Waco, 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 McLennan County will get in touch.

Tell us about the job

It takes about a minute.

Step 1 of 3: Equipment
A white wall-mounted split-system air conditioner on a blue-grey wall, with a full moon visible through a curtained window at night.

Eleven months of work a year in Waco

A mini-split here almost never gets a break. Summer afternoons average 94°F from May through October, six months of the system holding that back. Then winter turns around and asks for heat from November through March, with nights averaging 38°F. That leaves eleven months where the unit is doing one job or the other.

Any mini-split installed new has to meet the federal minimum for split-system heat pumps, 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. That is the floor, not a target. With a season this long in both directions, what matters more is a system sized to carry the load through those summer afternoons and still hold up on a cold winter night.

5 months
November through March, your system heats
6 months
May through October, it cools
38°F
the average winter night it heats against
94°F
the average summer afternoon it cools against
Isometric cutaway illustration of a small gray house showing two rooms, one with a sofa and one with a bed, each with a wall-mounted indoor air conditioning unit connected by line sets to an outdoor condenser unit on the ground outside.
Your system heats November through March and cools May through October.

NOAA nClimDiv, 1991–2020 normals

Texas requires HVAC contractors to hold a state license.

The Texas Department of Licensing and Regulation tests and records the contractor, not each job. The license means the person or company met the state's requirements before ever setting foot in a home. It covers who is allowed to do the work, not what happens at your address.

For a mini-split installation, that part falls to the local building office. In most cities and counties, this job needs a permit and an inspection once the work is finished, and that inspection is what looks at the actual installation, the wiring, the mounting, the line set, against code.

Source: Texas Department of Licensing and Regulation

Is a mini split worth it?
For most homes it is, especially for a room or two that never feels right on the main system. It heats and cools that space directly, with no ductwork losing air along the way. Waco summer afternoons average 94°F and winter nights drop to near 38°F, and a single mini split unit handles both. It also gives you a backup source of heat or cooling for that room if the main system ever goes down.
How many rooms can a mini split cover?
A single-zone mini split covers one room or open area, sized to that space. If you need more rooms covered, a multi-zone system runs several indoor units off one outdoor unit, with each indoor unit set to its own thermostat. A contractor sizes the system and the number of zones to the rooms you actually want covered.
Can a mini split heat a whole house?
A multi-zone mini split can heat a whole house if it has enough indoor units placed to reach every room. Each zone only heats the room it is mounted in, so coverage depends on the layout matching the house. Waco winter nights average 38°F, well within what a heat pump mini split is built to handle. A contractor can look at the home's layout and say what it would take to cover it fully.
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