Commercial HVAC Service

At Barrett & Sons, we provide a wide variety of commercial and industrial heating and air conditioning solutions. We provide sales, service, maintenance contracts, and special design installations. With over 72 years of combined experience, our team is recognized as a leader in the industry, setting standards for quality service and operational expertise.

BSI maintains a staff of expert technicians that service properties across the state of Texas. Each technician has worked on a wide variety of systems from the oldest boilers to the latest microprocessor driven multipurpose controls. BSI adheres to strict internal policies to ensure the business, as well as its customers, are within the guidelines of all EPA standards.

BSI can handle all makes and types of reciprocating, scroll and screw compressors, liquid chillers, direct expansion systems, cooling towers, low-pressure boilers, recirculation pumps and conventional, solid state and pneumatic controls.

Dedicated, professional and caring staff of folks.— Rod & Jan E.

Commercial HVAC Repair & Maintenance Service

At Barrett & Sons, we understand that heating and air conditioning systems play a key role in the successful operation of your commercial building. We've been providing preventative maintenance and repair services to commercial properties throughout the Greater San Antonio Texas area for over 45 years and have become a trusted resource for all local HVAC service needs. Our licensed and certified technicians offer comprehensive on-site inspections and dedicated support in order to ensure that defects are identified and repaired before they result in system failures. Barrett & Sons' service offerings include, but are not limited to:

  • HVAC Service and Repair
  • Refrigeration Service and Repair
  • Chiller Service
  • Chiller Replacement
  • 24-hour Emergency Service 365 days/year
  • Process Piping
  • Process Controls
  • Building Automation
  • HVAC Equipment Replacements
  • Compressor Replacements

Commercial HVAC Installation

Barrett & Sons provides service for everything from complete equipment retrofits to turnkey specialty new construction projects. BSI is versed in a wide range of change-out services, including tenant finish-outs, piping, cooling tower replacements, chiller replacements, control upgrades, and IT/SWITCH installs.

Commercial/Industrial Capabilities

  • Maintenance Contracts
  • System Inspections
  • Service & Repair
  • Computer Room Maintenance
  • Cooling Tower Maintenance
  • Temperature Controls
  • Certified Air & Hydronic Balancing
  • Energy Management
  • Air Filter Service
  • Pipefitting & Welding
  • Mechanical System Sales & Installation
  • Light Construction
  • Chiller Tube Analysis
  • Tenant Finish Out


Barrett & Sons is a leading provider of commercial, industrial, and residential HVAC services for San Antonio and the surrounding tri-county area.