Richardson is a tech hub with a dense mix of older homes and newer developments. Many homes in the area have aging HVAC systems that need upgrades to meet moder Fast response, upfront pricing, and service built on a higher standard.
Older homes in Richardson often have undersized or aging AC systems that struggle in peak summer heat. Upgrading to a properly sized system can cut energy bills significantly. We offer complete heating, cooling, and air quality services for every home in Richardson and Dallas & Collin County.
New and replacement air conditioning systems properly sized for Richardson homes. We handle everything from equipment selection to final commissioning — built to last in Texas heat.
Fast same-day AC repair in Richardson. Our trucks are fully stocked so most repairs are completed in a single visit. No waiting days for parts or a callback that never comes.
Complete heating system repair and installation in Richardson. Gas furnaces, heat pumps, and dual-fuel systems serviced by licensed technicians who know North Texas winters.
Spring and fall tune-ups keep your Richardson system running at peak efficiency. Catch small issues before they become expensive emergencies during peak season.
Ductless mini-split installation in Richardson for additions, garages, sunrooms, and any space that needs independent climate control without running new ductwork.
Duct cleaning, media filtration, UV air purifiers, and smart thermostat upgrades for healthier, cleaner air throughout your Richardson home.
We don't just pass through — we serve Richardson and Dallas & Collin County every day.
Richardson is a tech hub with a dense mix of older homes and newer developments. Many homes in the area have aging HVAC systems that need upgrades to meet modern efficiency standards.
Older homes in Richardson often have undersized or aging AC systems that struggle in peak summer heat. Upgrading to a properly sized system can cut energy bills significantly. Our technicians are familiar with the neighborhoods of Canyon Creek, Berkner, Spring Creek, and the Telecom Corridor 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 Richardson. Licensed, insured, and backed by a team that takes pride in what we do.
We offer same-day and 24/7 emergency service for Richardson and surrounding Dallas & Collin 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.
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.
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.
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.
United National HVAC serves Richardson and all surrounding communities including Plano, Garland, Allen, Dallas and the broader DFW Metroplex.
Same-day service available. Licensed and insured technicians serving Richardson, Dallas & Collin County, and the DFW Metroplex.