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Cornerstone Heating & Air

HVAC Pros · 1682 Highland Dr, Austin, TX 78723

4.4 (327 reviews) · 29 years in business
  • Licensed & Insured
  • License #TX-319394

Call now: (987) 353-9936

About Cornerstone Heating & Air

Cornerstone Heating & Air is an established well-respected hvac contractor serving homeowners across Austin, TX since 1997. Services include central AC and furnace install and repair, heat pump conversions, ductless mini-split installs, ductwork design and replacement, indoor air quality systems, and the increasingly popular spring/fall maintenance plans that keep manufacturer warranties intact. The technicians on staff carry NATE certifications and are happy to walk customers through a Manual J load calculation before quoting any system replacement, so you never end up with an oversized or undersized system.

Cornerstone Heating & Air serves homeowners across Austin, TX and surrounding ZIP codes including 78701, 78704, 78723, 78745, 78759. Pricing is up-front and quoted in writing before any work begins, with no obligation if the estimate isn't right for your project.

Services offered

  • Central AC install & repair
  • Indoor air quality systems
  • Ductless mini-split install
  • Spring & fall tune-ups
  • Smart thermostat install
  • Manufacturer warranty work

Service area

Cornerstone Heating & Air covers Austin and the surrounding metro, typically responding to addresses within 25–35 miles of 78723. Same-day appointments are commonly available for non-emergency requests booked before noon, and 24/7 emergency dispatch is offered for active leaks, electrical hazards, no-heat/no-cool calls, and lockouts when applicable.

Licensing & insurance

FixNearMe verifies that Cornerstone Heating & Air holds an active TX contractor license (#TX-319394) and carries general liability insurance covering work at residential properties. We re-verify licensing annually and remove any pro whose status lapses or whose review pattern deteriorates.

How to request a quote

Use the free quote form on this page to send your job details directly to Cornerstone Heating & Air and up to two other nearby hvac pros in Austin. You'll receive up-front written quotes — usually within an hour during business hours — so you can compare apples to apples before booking.

Recent customer reviews

★★★★★
Best contractor experience I've had as a homeowner. They sent a real written estimate, did exactly what they quoted, and the bill matched.
— Diego R., Austin
★★★★★
Got us booked the same day and finished the job in a single visit. Cleaned up everything before they left — couldn't even tell they'd been here.
— Mark T., Austin
★★★★★
Used them twice now. Always punctual, polite, and the work has held up perfectly. Saving them in my phone for next time.
— Priya S., Austin

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Pioneer HVAC Services

HVAC Pros · Austin, TX 78745

4.1 (47 reviews)
  • Licensed & Insured
  • 10+ Years
  • BBB Accredited

Pioneer HVAC Services is an established top-rated hvac contractor serving homeowners across Austin, TX since 2007. Services include central AC and furnace install and repair, heat pump conversions,…

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