???? Reliable Heating & Cooling Solutions by Texas Lone Star AC & Heating LLC

At Texas Lone Star AC & Heating LLC, we know what it takes to keep Harlingen residences climate-controlled all year round. From humid Valley days to sudden winter dips, your HVAC system must stay ready.

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

❄️ AC Installation, Repair & Maintenance

Cooling units are the core of any South Texas home. Our professional cooling system installations are tailored to your property's size. From heat pumps to HVAC systems, we install it right.

When things break down, our technicians respond reliably. Whether it's a compressor failure, we diagnose and restore comfort quickly.

To prevent issues, we offer AC maintenance plans. Filter swaps, coil cleaning, refrigerant checks—fully covered.

???? Heater Installation, Repair & Care

While Texas is known for heat, winters can still chill. We upgrade heat pumps with proper ventilation.

If your system won't stay on, our heater repair team handles blowers 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 safe.

???? Airflow Upgrades for Efficiency

Ducts move the air. Our air channel setup experts retrofit systems for balanced temps.

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

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

????️ Performance + Protection + Peace of Mind

Not sure where your system leaks? Our efficiency reports give you the data to save.

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 after-hours HVAC rescue has your back. We don’t rest until comfort is restored.

???? Let’s Talk Comfort

Whether it’s AC installation or a full energy audit, Texas Lone Star AC & Heating LLC is here for every South Texas home.