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Welcome to AT4 FIRE


AT4 Fire provides prompt and professional life safety services to customers of all sizes. Founded in 2023, the team at AT4 Fire is proud to serve the Front Range and greater Denver area. We pride ourselves on 50+ years of experience and the ability to quickly take care of our customers needs.

What We Offer

  • New Installation

    Fire Alarm & Sprinkler

  • Service & Maintenance

    24/7 On call service

  • Test & Inspection

    ​Fire Alarm, Sprinkler, Backflow, Extinguishers & Kitchen Hoods

  • Monitoring

    ​Fire Alarm, Rescue Assistance & Elevators