????️ Reliable Climate Control Experts by Lone Star Heating & Air Specialists

Here at Texas Lone Star HVAC, we service hvac cost estimate recognize what it takes to keep Harlingen residences comfortable all year round. From scorching Texas heat to unexpected cold fronts, you need HVAC built for battle.

Whether you’re dealing with AC failure, poor insulation, or inefficiency, our team delivers licensed climate restoration solutions with care.

❄️ Cooling Solutions for South Texas

AC systems are the lifeblood of any Valley home. Our expert air conditioner setups are tailored to your building's requirements. From mini-splits to central air systems, we install it cleanly.

When things break down, our AC repair team respond on time. Whether it's a frozen coil, we troubleshoot and restore comfort without delays.

To keep systems running, we offer seasonal HVAC checkups. Filter swaps, coil cleaning, refrigerant checks—fully covered.

???? Heater Installation, Repair & Care

While Texas is known for heat, winters can still chill. We install gas furnaces with proper installation standards.

If your system won't ignite, our heater repair team handles thermostats with speed. We explain the fix before we start.

With our seasonal tune-ups, your home stays ready for cold spells. We check safety and ensure your heat is efficient.

???? Airflow Upgrades for Efficiency

Ducts move the air. Our air channel setup experts design systems for optimal airflow.

When ducts are leaky, we offer structural fixes. Our goal? Reduce temperature fluctuation.

Dirty ducts waste money. With our duct cleaning service, we remove dust and restore clean breathing.

????️ Performance + Protection + Peace of Mind

Want to lower your bill? Our efficiency reports give you the data to plan.

Insulation matters. We offer attic & wall checks to make sure your system isn't overworking. Small gaps = big costs.

And if disaster strikes, our after-hours HVAC rescue has your back. We don’t rest until comfort is restored.

???? Get in Touch

Whether it’s AC installation or a full system overhaul, Texas Lone Star AC & Heating LLC is here for every Brownsville home.