???? Affordable Climate Control Experts by Texas Lone Star AC & Heating LLC

Here at Texas Lone Star HVAC, we understand what it takes to keep Harlingen residences energy-efficient all year round. From triple-digit summers to seasonal drops, you need HVAC built for battle.

Whether you’re dealing with AC failure, an outdated furnace, or constant repairs, our team delivers licensed HVAC repair solutions with precision.

❄️ AC Installation, Repair & Maintenance

Cooling units are the core of any South Texas home. Our local cooling system installations are tailored to your home's requirements. From mini-splits to central air systems, we install it cleanly.

When things break down, our AC repair team respond reliably. Whether it's a thermostat issue, we diagnose and restore comfort quickly.

To prevent issues, we offer preventative care services. Filter swaps, coil cleaning, refrigerant checks—fully covered.

???? Heater Installation, Repair & Care

While Texas is known for summer, winters can still chill. We install gas furnaces with proper sizing.

If your system won't stay on, our heater repair team handles pilot issues with speed. We explain the fix before we start.

With our heating maintenance, your home stays ready for cold spells. We clean units and ensure your heat is safe.

???? Airflow Upgrades for Efficiency

Ducts move the air. Our duct installation experts design systems for peak efficiency.

When ducts are cracked, we offer sealing services. Our goal? Reduce temperature fluctuation.

Dirty ducts waste money. With our professional duct vacuuming, we remove debris and restore clean breathing.

????️ Energy Efficiency, Insulation & Emergency Services

Want to lower your bill? Our HVAC assessments give you the data to plan.

Insulation matters. We hvac service companies near me offer attic & wall checks to make sure your system isn't bleeding temperature. Small gaps = big costs.

And if disaster strikes, our 24-hour emergency repair has your back. We don’t rest until air is restored.

???? Call Today

Whether it’s emergency service or a full energy audit, Texas Lone Star HVAC is here for every Valley home.