Serving Dallas, TX  ·  75201

AC Repair & Installationin Dallas, Texas

We serve the northeastern Dallas corridors including Lake Highlands, White Rock Lake, and surrounding neighborhoods — areas with a mix of mid-century and newer Fast response, upfront pricing, and service built on a higher standard.

Licensed & InsuredTexas HVAC Certified
Same-Day ServiceAvailable 24/7
Upfront PricingNo Hidden Fees
5-Star RatedDFW Homeowners

Full HVAC Services
for Dallas Homeowners

Dallas summers are among the most extreme in the country. A well-functioning AC system isn't optional — it's essential for health and safety during peak heat months. We offer complete heating, cooling, and air quality services for every home in Dallas and Dallas County.

We Know Dallas

We don't just pass through — we serve Dallas and Dallas County every day.

We serve the northeastern Dallas corridors including Lake Highlands, White Rock Lake, and surrounding neighborhoods — areas with a mix of mid-century and newer homes.

Dallas summers are among the most extreme in the country. A well-functioning AC system isn't optional — it's essential for health and safety during peak heat months. Our technicians are familiar with the neighborhoods of Lake Highlands, White Rock, Preston Hollow, and East Dallas and the specific HVAC challenges that come with homes in this area.

Whether you're in a newer build or an established home, United National HVAC brings the same high standard of work to every job in Dallas. Licensed, insured, and backed by a team that takes pride in what we do.

FAQ — Dallas HVAC

How quickly can you respond to an AC emergency in Dallas?

We offer same-day and 24/7 emergency service for Dallas and surrounding Dallas County areas. When your AC goes down in the middle of a Texas summer, we move fast — most same-day calls are dispatched within 1-2 hours.

What brands do you service in Dallas?

We service all major HVAC brands including Carrier, Trane, Lennox, Rheem, Goodman, American Standard, York, and more. Whether it's a repair or a full system replacement, we work with what you have or help you choose the right upgrade.

How much does AC repair cost in Dallas, TX?

Repair costs vary depending on the issue. Most common repairs range from $150–$600. We always provide upfront pricing before any work begins — no surprises on the final invoice. We also offer free estimates on new system installations.

Do you offer maintenance plans for Dallas homeowners?

Yes — we offer seasonal maintenance plans that include spring AC tune-ups and fall heating inspections. Members get priority scheduling, discounts on repairs, and peace of mind knowing their system is ready before peak season hits.

More DFW Locations

United National HVAC serves Dallas and all surrounding communities including Garland, Richardson, Mesquite, Irving and the broader DFW Metroplex.

Need HVAC Service
in Dallas?

Same-day service available. Licensed and insured technicians serving Dallas, Dallas County, and the DFW Metroplex.

Schedule Online Call 214-983-0507
Our Services

ALL SERVICES IN DALLAS, TX

AC Installation & Replacement AC Repair AC Maintenance Emergency AC Repair Ductless Mini-Splits Heating Installation Heating Repair Furnaces & Heat Pumps Duct Cleaning Air Filtration Systems Thermostat Upgrades