COMMERCIAL HVAC · INDUSTRIAL REFRIGERATION
Commercial HVAC &
Refrigeration for
Texas Businesses
Serving general contractors, businesses
and industrial facilities across Texas.
KEEPING TEXAS BUSINESSES RUNNING
Commercial HVAC
Design, installation and service for commercial facilities.
Refrigeration & Walk-In Coolers
Reliable temperature control for your business.
Compressed Air & Dryers
Service and repair for air compressors and refrigerated dryers.
Relative Humidity Control
Guest rooms, common areas, and indoor pools.
Our Experience. Your Project.
Our roots began with Luis Castro operating Cold Air Systems Heating and Automotive Services (CAS-HAS). As the business grew and took on larger projects, Cold Air Systems LLC was established.
Today, we bring that hands-on background to commercial HVAC and industrial refrigeration installation, maintenance, and repair across Texas.
INDUSTRIES WE SERVE
We support commercial and industrial facilities with heating, cooling, and refrigeration services tailored to their equipment and operating needs.
Built for General Contractors
A dependable partner from bid to completion.
Responsive
Bidding
Experienced
Commercial Team
Code Compliant
& Insured
Serving Texas Businesses
Request a Bid
Tell us about your project and we'll be in touch quickly.
COLD AIR SYSTEMS LLC
Commercial HVAC and industrial refrigeration installation, maintenance, and repair for businesses across Texas.
💬 Chat on WhatsAppContact Information
📍 Address: 920 Saint Tropez Avenue, Donna, TX
📞 Phones: 210-421-0109 | 956-451-0013
✉️ Management: lcastro@coldairsystems.net
✉️ Administration: rarce@coldairsystems.net
© 2026 Cold Air Systems LLC. All Rights Reserved. Professional Mechanical Solutions in Donna, Texas.