????️ Reliable HVAC Services by Texas Lone Star HVAC Pros

At Texas Lone Star Heating and Air, we know what it takes to keep Harlingen residences comfortable all year round. From scorching Texas heat to unexpected cold fronts, your HVAC system must stay ready.

Whether you’re dealing with poor airflow, an outdated furnace, or inefficiency, our team delivers licensed system installation solutions with care.

❄️ AC Installation, Repair & Maintenance

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

When things break down, our AC repair team respond fast. Whether it's a thermostat issue, we troubleshoot and restore comfort without delays.

To maximize performance, we offer preventative care services. Filter swaps, coil cleaning, hvac service oshawa refrigerant checks—professionally managed.

???? Heat Services for Cold Snaps

While Texas is known for summer, winters can still bite. We replace electric heaters with proper ventilation.

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

With our winter prep services, your home stays ready for cold spells. We test sensors and ensure your heat is efficient.

???? Airflow Upgrades for Efficiency

Ducts power your HVAC. Our duct installation experts design systems for optimal airflow.

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

Dirty ducts hurt air quality. With our duct cleaning service, we remove debris and restore clean breathing.

????️ Performance + Protection + Peace of Mind

Need better efficiency? Our HVAC assessments 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 night-and-weekend support has your back. We don’t rest until comfort is restored.

???? Get in Touch

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