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Intruder Alarm Maintenance in Chesterfield & Derbyshire

Keep your alarm system performing at its best. Regular servicing from our local engineers ensures your system stays reliable, up to date, and covered โ€” with no nasty surprises.

Alarm maintenance by NOX Fire & Security Chesterfield

What's Included

Our alarm maintenance plan covers everything needed to keep your intruder alarm running perfectly across Chesterfield, Dronfield, Eckington, Clay Cross, Bolsover, and all of Derbyshire.

  • Annual system inspection and functional test
  • Battery health check and replacement if needed
  • Sensor sensitivity adjustment and calibration
  • Control panel firmware updates
  • App and user code review
  • 4G/SIM connectivity check
  • Priority response to faults
  • Written service record
  • Manufacturer warranty support

Benefits

  • Keeps your insurance valid โ€” insurers often require annual servicing
  • Extends the life of your equipment
  • Catches issues before they become failures
  • Priority callout support for plan customers
  • Peace of mind that your system works when it matters
  • Works with existing Ajax, Texecom, Pyronix, and other systems

What Our Customers Say

"Absolutely superb service. The Ajax alarm installation was carried out to an excellent standard. Neat, tidy, and they explained everything on the app."

James H. โ€” Chesterfield

"Clear quote, no hidden extras. Engineers arrived on time and left no mess. Total peace of mind."

Sarah W. โ€” Derbyshire

Ready to Protect What Matters?

Get a free security survey โ€” no pressure, no obligation. Our local team responds within 2 hours.

Available Mon-Fri 8am-6pm, Sat 9am-4pm โ€ข Emergency callouts 24/7