????️ Local Heating & Cooling Solutions by Lone Star Heating & Air Specialists

At Texas Lone Star HVAC, we understand what it takes to keep Harlingen properties climate-controlled all year round. From humid Valley days to seasonal drops, you depend on consistent heating and cooling.

Whether you’re dealing with poor airflow, aging ductwork, or loud HVAC cycles, our team delivers affordable system installation solutions with precision.

❄️ Cooling Solutions for South Texas

Cooling units are the core of any Valley home. Our professional cooling system installations are tailored to your building's size. From mini-splits to HVAC systems, we install it for long-term performance.

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

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 heat, winters can still chill. We replace heat pumps with proper ventilation.

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

With our winter prep services, your home stays service hvac cost estimate ready for cold spells. We check safety and ensure your heat is steady.

???? Airflow Upgrades for Efficiency

Ducts power your HVAC. Our air channel setup experts build systems for peak efficiency.

When ducts are cracked, we offer sealing services. Our goal? Reduce energy loss.

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

????️ Energy Efficiency, Insulation & Emergency Services

Not sure where your system leaks? Our HVAC assessments give you the data to upgrade.

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

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

???? Let’s Talk Comfort

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