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

At Texas Lone Star HVAC, we recognize what it takes to keep McAllen homes energy-efficient all year round. From humid Valley days to sudden winter dips, you depend on consistent heating and cooling.

Whether you’re dealing with AC failure, an outdated furnace, or inefficiency, our team delivers affordable system installation solutions with professionalism.

❄️ Cooling Solutions for South Texas

AC systems are the core of any South Texas home. Our local air conditioner setups are tailored to your home's size. From heat pumps to HVAC systems, we install it right.

When things break down, our AC repair team respond on time. Whether it's a frozen coil, we diagnose and restore comfort quickly.

To maximize performance, we offer AC maintenance plans. Filter swaps, coil cleaning, refrigerant checks—professionally managed.

???? Heater Installation, Repair & Care

While Texas is known for summer, winters can still surprise. We replace electric heaters with proper installation standards.

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

With our seasonal tune-ups, your home stays ready for cold spells. We clean units and hvac service justin tx ensure your heat is efficient.

???? Airflow Upgrades for Efficiency

Ducts power your HVAC. Our duct installation experts build systems for balanced temps.

When ducts are leaky, we offer structural fixes. Our goal? Reduce temperature fluctuation.

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

????️ Energy Efficiency, Insulation & Emergency Services

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

Insulation matters. We offer insulation inspection to make sure your system isn't bleeding temperature. Small gaps = big costs.

And if disaster strikes, our night-and-weekend support has your back. We don’t rest until comfort is restored.

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