???? Reliable HVAC Services by Texas Lone Star AC & Heating LLC

Here at Texas Lone Star AC & Heating LLC, we understand what it takes to keep Harlingen homes comfortable all year round. From humid Valley days to sudden winter dips, you need HVAC built for battle.

Whether you’re dealing with rising bills, aging ductwork, or inefficiency, our team delivers fast climate restoration solutions with precision.

❄️ Cooling Solutions for South Texas

Air conditioning are the backbone of any South hvac service union Texas home. Our expert cooling system installations are tailored to your home's size. From heat pumps to central air systems, we install it cleanly.

When things break down, our technicians respond reliably. Whether it's a frozen coil, we diagnose 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 heat, winters can still chill. We replace gas furnaces with proper sizing.

If your system won't warm, our furnace specialists handles thermostats with honesty. We explain the fix before we start.

With our winter prep services, your home stays ready for cold spells. We clean units and ensure your heat is steady.

???? Airflow Upgrades for Efficiency

Ducts connect every room. Our air channel setup experts design systems for balanced temps.

When ducts are leaky, we offer sealing services. Our goal? Reduce system strain.

Dirty ducts reduce airflow. With our airway flush-out, we remove debris and restore clean breathing.

????️ Energy Efficiency, Insulation & Emergency Services

Want to lower your bill? Our home energy audits give you the data to upgrade.

Insulation matters. We offer insulation inspection 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.

???? Get in Touch

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