First Detection Systems
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First Detection Systems is the premier full service fire alarm systems company in Illinois. We are here to help design, service, inspect and test your commercial and industrial fire alarm systems. We design, service, inspect and test your commercial & industrial fire alarm systems. Our highly trained fire alarm inspection technicians are certified in many systems such as Simplex, Silent Knight, Edwards/EST, FireLite, Notifier and Ademco to name a few.

We are proud to service Chicago and surrounding suburbs for Fire Alarm system design, installation, testing, voltage, and more for over 35 years.

Are you looking for experienced fire sprinkler inspection services? There are several choices in the Chicagoland marketplace for Fire Service & Repair, but when it comes to protecting your business or home from fire, First Detection Systems offer decades of experience in keeping homes and businesses protected from fire damage through our Fire Service

Fire alarm systems are broken into three main categories; conventional, addressable and combination panels. All three use smoke detectors, heat detector, pull stations, tamper and flow switches to monitor your building. The difference is the way these devices will communicate to the panel. Conventional fire alarm panels were the normal place in every

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