Sep 8, 2026
How Much Does HVAC Replacement Cost? (2026 Cost Guide)
Reading Time About 16 Min
Commercial HVAC
Cornerstone AC Refrigeration
VerifiedEstablished · 22 yrs
5.0(2 reviews)•Residential & Commercial•Serving Brownsville, TX
EPALicense #TACLB23970C
Expert HVAC services including repairs, maintenance, and installations for residential and commercial properties in Brownsville and South Texas.
Cornerstone AC Refrigeration is a commercial HVAC contractor based in Brownsville, TX. Services listed include AC repair, AC maintenance, 24/7 emergency services and HVAC system installation. 22 years in business, emergency service available and licence #TACLB23970C.
22
Years in Business
Yes
Emergency Service
Brownsville, TX
Service Area
Services Offered
AC repairAC maintenance24/7 emergency services
HVAC system installation
refrigeration repairrefrigeration maintenanceheating services
Customer Sentiment Summary
Strengths
- Technical depth stands out: 2 reviewers credit the crew with a correct diagnosis and a clean repair.
- Crews carry themselves professionally — 2 reviewers single out polite, respectful technicians.
Areas to Watch
- Only 2 reviews carried enough detail to analyse — too thin to call out a weak point with confidence.
Reviews from Best HVAC visitors
No Best HVAC reviews yet
Been a customer of Cornerstone AC Refrigeration? Be the first to rate them.
Get Your HVAC Business Listed
Want to put your heating and cooling company in front of local homeowners and businesses actively searching for reliable HVAC services? Claim your spot and connect with high-intent customers in your area.
Get Featured
Blog / News
View all articles HVAC Tips, Guides & Industry News
Sep 7, 2026
Why Does My Thermostat Screen Go Blank?
Reading Time About 6 Min
Sep 6, 2026
How to Clean AC Condenser Coils Safely
Reading Time About 7 Min
Sep 3, 2026
AC Blowing Warm Air? Common Causes and Fixes
Reading Time About 6 Min
FAQ
Contact Our TeamFrequently Asked Questions
Have another question? Our team is here to help.
Cornerstone AC Refrigeration lists AC repair, AC maintenance, 24/7 emergency services, HVAC system installation, refrigeration repair and refrigeration maintenance. Contact them to confirm they handle your specific job.
Cornerstone AC Refrigeration is based in Brownsville, TX.
Yes, Cornerstone AC Refrigeration lists emergency service. Call them directly for urgent heating or cooling repairs.
Cornerstone AC Refrigeration lists licence number TACLB23970C. You can confirm it is current with the Texas contractor licensing board.
Use the call button, website link or contact details on this page to reach the company directly.
Get in touch and we will keep your listing details accurate and add photos.