❄️ Affordable Heating & Cooling Solutions by Texas Lone Star HVAC Pros

Here at Texas Lone Star AC & Heating LLC, we recognize what it takes to keep Harlingen homes comfortable all year round. From triple-digit summers to unexpected cold fronts, you depend on consistent heating and cooling.

Whether you’re dealing with rising bills, poor insulation, or loud HVAC cycles, our team delivers fast system installation solutions with professionalism.

❄️ AC Installation, Repair & Maintenance

Air conditioning are the core of any Valley home. Our professional AC installation services 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 cooling repair experts respond on time. Whether it's a frozen coil, we repair and restore comfort same day.

To maximize performance, we offer seasonal HVAC checkups. Filter swaps, coil cleaning, refrigerant checks—all included.

???? Heat Services for Cold Snaps

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

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

With our heating maintenance, your home stays ready for cold spells. We test sensors and ensure your heat is efficient.

???? Ductwork Solutions: Install, Repair & Clean

Ducts power your HVAC. Our duct installation experts build systems for peak efficiency.

When ducts are cracked, we offer duct repair. Our goal? Reduce energy loss.

Dirty ducts hurt air quality. With our airway flush-out, we remove debris and restore clean breathing.

????️ Performance + Protection + Peace of Mind

Need better efficiency? Our home energy audits 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 comfort is restored.

???? Let’s Talk Comfort

Whether it’s AC installation or a full service your hvac system overhaul, Texas Lone Star AC & Heating LLC is here for every Brownsville home.