Gillette AC Co.

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About Gillette AC Co.
Gillette Air Conditioning Company is a design-build mechanical contractor based in San Antonio, Texas, serving commercial, industrial, and residential clients across the region. With 38 verified customer reviews yielding a 4.5-star average rating, the company has operated for six decades specializing in new construction, renovation, and retrofit projects. Their service divisions encompass construction, controls, estimating, fabrication, government work, and general service maintenance for properties of all sizes.
What distinguishes Gillette is their in-house sheet metal fabrication capability paired with KMC building control products that scale from small retail spaces to multi-story commercial networks. The company operates as a design-build specialty contractor handling everything from tenant improvements to large-scale commercial ventilation systems. Their service division offers routine maintenance and replacement plans with an emphasis on preventive care, and they provide sheet metal work ranging from light commercial tenant finishes to industrial-grade ductwork fabrication.
Customer reviews highlight specific team members including Junior Garcia, who earned a direct mention for completing work on a tight timeline during a residential AC replacement. One reviewer described how Gillette provided a second opinion that saved thousands in unnecessary compressor replacement, exposing another contractor's misleading diagnosis. Another reviewer detailed a church facility project where Gillette navigated a decades-long deferred maintenance backlog while securing rebates to offset costs, implementing both legacy pressure valves and modern web-based controls within a limited budget.
What Customers Say
Thirty-eight customer reviews yield a 4.5-star average with consistent praise for diagnostic honesty, thorough cleanup, and team members who go beyond standard scope. Multiple reviewers specifically name Junior Garcia and highlight same-day arrival during urgent situations.
Working Hours
| Sunday | 9 AM–10 PM |
| MondayToday | 8 AM–10 PM |
| Tuesday | 8 AM–10 PM |
| Wednesday | 8 AM–10 PM |
| Thursday | 8 AM–10 PM |
| Friday | 8 AM–10 PM |
| Saturday | 8 AM–10 PM |
Services
AC Repair & Maintenance
Diagnostic services, tune-ups, and emergency repairs for residential and commercial cooling systems.
New Construction HVAC
Design-build installation of mechanical systems for new commercial and industrial buildings.
Renovation & Retrofit
Upgrading existing HVAC systems including replacements, retrofits, and modernization projects.
Building Controls
Installation and programming of KMC building control products for scalable temperature and automation management.
Sheet Metal Fabrication
Custom ductwork and ventilation system fabrication for projects ranging from tenant improvements to industrial facilities.
Tenant Improvement
Interior HVAC modifications for commercial spaces to accommodate changing tenant needs.
Preventive Maintenance Plans
Ongoing service agreements designed to extend equipment life and prevent costly failures.