Ductless Mini-Split Systems in San Antonio, TX
Ductless mini-splits cool the spaces central ducts can't reach. Around San Antonio they're the go-to fix for hot garages, historic homes with no ductwork, and additions that never cool right.
A mini-split pairs an outdoor condenser with one or more wall or ceiling air handlers, linked by a slim refrigerant line instead of bulky ducts. That makes them ideal for the spaces local homeowners fight with most: a garage workshop that bakes past 100, a converted attic or bonus room, a Hill Country-style addition, or a backyard casita the main AC was never meant to reach.
They're also a lifesaver for our older neighborhoods. Many homes in King William, Monte Vista, and the other early-1900s inner-loop areas were built long before central ducting, and tearing ducts into plaster walls is invasive and expensive. A ductless head cools a room in one of those homes without gutting it, which is exactly why they've become so popular downtown.
The real advantage is zoning. Each indoor head runs on its own thermostat, so you cool the room you're in without blasting the whole house or leaning on your central system. For a home office, a hot upstairs primary bedroom, or a room you only use part of the day, that's genuine comfort and a lighter bill because you're not paying to cool empty space.
Installation is cleaner than most people expect, usually just a small three-inch pass-through for the line set rather than opening up walls. We size the unit to the room, place the head where the airflow actually works, and set the outdoor unit and drain properly, choosing components mindful of our hard water so you're not chasing scale and condensate problems down the road.
What we do with ductless systems
- Single-zone and multi-zone mini-split installation
- Sizing for garages, casitas, additions, and bonus rooms
- A ductless option for historic homes without ductwork
- Wall-mount and ceiling-cassette head placement
- Line-set routing, drain, and condenser setup
- Repair and service for existing ductless systems
Other services
Frequently asked questions
Can a mini-split cool my hot garage?
Yes, that is one of the most common uses we see here. A properly sized ductless unit can hold a comfortable temperature in a garage or workshop through peak summer, without extending your home's ductwork out there.
My house is old and has no ductwork, is ductless a good option?
Often it is the best option. Many of San Antonio's historic homes never had central ducts, and running new ductwork through plaster is costly and disruptive. Ductless heads cool those spaces with only a small line-set pass-through, so you keep the character of the home.
Is a ductless system more efficient than central AC?
For the right application, frequently yes. There is no duct leakage, and zoning lets you cool only the rooms you use. That is especially valuable here, where ducts in a superheated attic can lose a lot of cooling before it reaches the register.
Do mini-splits need maintenance?
Yes. The indoor filters need regular cleaning, and the coils and drain still need periodic service, more so with our hard water and dust. Upkeep is simpler than central AC but not zero.
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