Mini Split Installation in Round Rock, Flat Price, No Surprises
Updated September 2026
Round Rock summers are brutal. Your AC runs from April through October, and if your home was built without ductwork, a garage workshop, a casita, an addition, or an older house that never had central air, you know the struggle of trying to cool one room with a window unit that blocks your view and leaks condensate onto the sill. Portable units are louder, less efficient, and still leave the rest of the house hot.
Old West Minisplits installs ductless mini split heat pumps in Williamson County for a flat price. One zone is $2,000. Two zones $3,700. Three zones $5,400. That includes the equipment, line set, standard electrical connection, refrigerant, testing, cleanup, and even the trip to Home Depot to match the paint you already have. No trip fees. No in-home sales pitch. You pick the wall, we handle the rest.
What the Flat Price Actually Covers
The $2,000 per zone price includes: the mini split unit (a heat pump, so it cools in summer and handles our mild winters without a furnace), the wall-mounted indoor head, a matching outdoor condenser, up to 25 feet of line set, standard electrical disconnect and wiring, refrigerant charge, system testing, and all drywall repair and paint touch-up. Most quote-based contractors charge extra for drywall work or paint; we include it. The only add-ons we ever discuss are things you would agree with anyway: a line set longer than 25 feet, a main panel upgrade your house already needed before we came, or an unusually difficult mounting situation like drilling through 18-inch limestone. We tell you up front, never on the invoice.
Typical Round Rock Jobs We Do
In Williamson County, the most common request we get is cooling a single room that a central system never reached: a bonus room over the garage, a converted garage or casita, or a home office in an older home on the north side of Round Rock. We also see a lot of townhouses built in the 1980s where the builder never ran ductwork to the second floor. The second most common job is a two-zone system for a master bedroom plus the living room in a small house where installing ductwork would require tearing open ceilings. Because our price is per zone and the same whether you live off Gattis School Road or near the Dell Diamond, we can quote a three-zone system for $5,400 without measuring your walls first.
Why Flat Pricing Matters in Central Texas
Most local HVAC contractors price mini splits by custom quote. That means a salesperson comes to your house, measures, asks questions, then sends you a number that usually lands between $3,000 and $6,000 per zone. You wait days for that number, and it often includes a trip fee or markups on materials that aren't listed. With Old West Minisplits, you see the price on our website. If you want one zone, it's $2,000. If you want three, it's $5,400. You can schedule an install online in a few minutes, and we show up on the booked day. The only reason we ever need to discuss extra cost is if your job genuinely requires it, and we tell you before we start.
How we compare
| Factor | Old West Minisplits | The usual |
|---|---|---|
| Pricing model | Flat $2,000 per zone, no trip fees, no in-home estimate | Custom quote after a sales visit, often $3,700–$6,000 per zone |
| Time to quote | See the price on our site, book online today | Schedule visit, wait days for a written quote |
| Drywall and paint repair | Included and matched to your wall color | Not included; billed as extra or you do it yourself |
| Equipment type | Heat pump (cooling + heating), no furnace needed | Often heat pump, but may push a gas furnace add-on |
| Service area | Austin I-35 corridor, north to Waco/Killeen, south to San Antonio, same flat price | Usually limited to a single city or county; may charge more for distance |
Straight answers
How much does a mini split cost in Round Rock?
With Old West Minisplits, one zone is $2,000, two zones $3,700, three zones $5,400. That includes equipment, installation, line set up to 25 feet, electrical, refrigerant, testing, cleanup, and drywall repair with paint touch-up. No hidden fees.
What if my installation requires more than 25 feet of line set?
We charge a small, fair additional per-foot fee for line sets over 25 feet. We tell you the exact cost before we start, it never shows up on the invoice after the job.
Can a mini split really heat my home in a Central Texas winter?
Yes. Mini splits are heat pumps. They reverse cycle to provide efficient heating down into freezing temperatures. For our mild Williamson County winters, they pair well with your existing furnace or can stand alone in a room without ductwork.
How do I schedule an install?
You can book directly on our website without a phone call. Pick your zone count and a date. We arrive on that day, install, and clean up. No sales pitch, no waiting for a quote.
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No walkthrough, no sales pitch. Tell us the rooms and we'll tell you the price.
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