Fire protection system supplier

We're here for you when it matters the most.

Professional Fire protection system supplier in Harlingen TX

Castles Mechanical Contractors has been proudly providing service for our customers in Harlingen, TX for more than 20 years. Our hand-selected team of trained and certified fire protection engineers, NICET-certified designers, experienced installers, and thorough inspectors are dedicated to the safety of your employees, customers, assets, and your business.
Our hard work has helped build a strong reputation for excellent service in the fire protection industry throughout Harlingen, TX. No matter what type of business you own, the team at Castles Mechanical Contractors has the experience to provide the fire protection services and effective solutions your company deserves.

Fire protection Services

Sprinkler Systems

Installing a fire sprinkler system is one of the best forms of protection for your business. Castles Mechanical Contractors will design and install a sprinkler system that is tailored to fit your business needs and the specifications of your property. Whether it's new construction or improvement projects, we install a wide range of sprinkler systems that are certified in the highest working order. Our expert team of fire safety engineers will help determine the needs of your facility to keep your business safe 24 hours a day.

*Design Services
*New Installations
*Retro Fits

Inspection Services

At Castles Mechanical Contractors we offer fire sprinkler system inspections. Our inspector's are NICET Certified and have a Texas State License to perform inspections. Our team is ready to serve the Rio Grande Valley area for your fire sprinkler system inspection needs. We also offer backflow inspections.


Fire Sprinkler systems will experience wear and tear on the fire sprinkler heads, gauges, valves, pipe and other components. Our team of technicians can provide prompt service and repairs to your fire sprinkler systems. Castles Mechanical Contractors have fully licensed experts in installation and service of dry pipe, wet pipe, fire hydrants, backflows and fire pumps. Properly installed and maintained fire sprinkler systems help save lives and react so quickly, they can dramatically reduce the heat, flames and smoke produced in a fire. We are ready to provide prompt service.

Responsive Fire Systems That Make Compliance Easy

Protecting lives and personal property in Harlingen, TX, and surrounding areas.

  • Affordable Pricing
  • Estimates
  • Quick, Reliable, High-Quality Service
  • Friendly Staff
  • Licensed & Insured Company
  • Servicing Throughout the Rio Grande Valley Texas area

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Need Fire Protection?

We would love to hear about your fire protection needs and how we can help.

2110 North 77 Sunshine Strip Harlingen , Texas, 78550