Professional AC Services

LaCoste, TX & Surrounding Areas

Free, Same-Business-Day Quotes

Emergency Heating & Air Repairs

Price Matching Available

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Professional Air Conditioning Services for South Texas

HillCo A/C delivers reliable air conditioning solutions backed by more than three decades of hands-on experience. Our family-owned business serves residential and commercial clients throughout South Texas with honest, affordable service and rapid response times.


We offer same-business-day quotes at no charge, and we'll work directly with most insurance providers to simplify your service experience. Our licensed and insured technicians prioritize repairs over replacements whenever possible, and we provide price matching to ensure competitive rates. For assistance with your cooling needs, contact us today.

Hillco A/C

Why Choose Us

Free, Same-Business-Day Quotes

Emergency Heating & Air Repairs

Price Matching Available

Maintenance Plans Available

We Work With Most Insurance Companies

Over 30 Years of Experience

AC Installation

AC Installation

Our technicians handle complete air conditioning installations for new construction projects, system upgrades, and full replacements. We assess your property's specific cooling requirements, recommend appropriately sized equipment, and ensure proper ductwork connections for optimal airflow. Every installation includes thorough testing and calibration to verify system performance before we complete the job.
AC Maintenance

AC Maintenance

Regular maintenance extends equipment lifespan and prevents costly breakdowns during peak cooling seasons. HillCo A/C offers comprehensive maintenance plans that include filter changes, coil cleaning, refrigerant level checks, and electrical component inspections. Scheduled maintenance appointments help identify minor issues before they become major repairs, saving you money and maintaining consistent comfort in your space.
AC Repair

AC Repair

When your air conditioning system fails, our repair-focused approach means we diagnose the problem accurately and restore function efficiently. We handle refrigerant leaks, compressor failures, thermostat malfunctions, and airflow problems with precision. Emergency heating and air repair services are available when you need immediate assistance, and our technicians arrive prepared with common parts to complete most repairs in a single visit.
AC Tune-Up

AC Tune-Up

A professional tune-up optimizes system efficiency and reduces energy consumption throughout the cooling season. Our tune-up service includes cleaning critical components, lubricating moving parts, tightening electrical connections, and verifying proper thermostat operation. We measure system performance metrics and make necessary adjustments to ensure your air conditioner operates at peak capacity.
Mobile Home AC Repair

Mobile Home AC Repair

Mobile homes present unique cooling challenges that require specialized knowledge and experience. HillCo A/C understands the specific requirements of manufactured home HVAC systems, including space constraints, ductwork configurations, and equipment compatibility. We service all major brands of mobile home air conditioning units and provide repair solutions tailored to your manufactured home's design.

Hillco A/C

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Hillco A/C

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CP #1 CTA Lead-in

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

Hillco A/C

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Here's what our satisfied customers are saying...

At HillCo A/C, we take pride in providing exceptional heating and air services to our customers. We would be grateful if you could share your thoughts about our company with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of HillCo A/C and let others know what you think.