❄️ Trusted HVAC Services by Texas Lone Star HVAC Pros

Here at Texas Lone Star Heating and Air, we know what it takes to keep Harlingen residences climate-controlled all year round. From humid Valley days to unexpected cold fronts, you need HVAC built for battle.

Whether you’re dealing with rising bills, aging ductwork, or loud HVAC cycles, our team delivers licensed HVAC repair solutions with care.

❄️ Cooling Solutions for South Texas

AC systems are the lifeblood of any Valley home. Our professional 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 repair and restore comfort same day.

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 summer, winters can still bite. We upgrade electric heaters with proper installation standards.

If your system won't stay on, our furnace specialists handles pilot issues with honesty. We explain the fix before we start.

With our winter prep services, your home stays ready for cold spells. We test sensors and hvac services baltimore md ensure your heat is safe.

???? Airflow Upgrades for Efficiency

Ducts power your HVAC. Our duct installation experts retrofit systems for optimal airflow.

When ducts are misaligned, we offer structural fixes. Our goal? Reduce energy loss.

Dirty ducts hurt air quality. With our professional duct vacuuming, we remove dust and restore clean breathing.

????️ Energy Efficiency, Insulation & Emergency Services

Need better efficiency? Our home energy audits 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 24-hour emergency repair has your back. We don’t rest until comfort is restored.

???? Let’s Talk Comfort

Whether it’s duct repair or a full energy audit, Texas Lone Star HVAC is here for every South Texas home.