Thursday, November 5, 2026 · Customer reviews of US businesses
The Fair Hearing score
Great
213 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Since 1946, people have trusted Koorsen to protect their businesses and homes. From our knowledgeable sales people to our highly trained technicians, we have been committed to providing complete fire protection and security solutions that don’t just protect buildings—but protect lives too.
Koorsen Fire & Security (koorsen.com) has 213 customer reviews on The Fair Hearing, with an average rating of 4.2 out of 5.
213 approved reviews, newest moderated first
I called Koorsen because I had a low battery and I had questions about my key fob. Derrick Moore arrived when he said he'd be there and replaced the battery. He was very polite, professional, and answered any questions I had. The customer service was great!
By Janet M.
James in service walked me the process to update the time on my keypad. Very patient, professional, and friendly. Thank you James!!!
By Timothy R.
Excellent service from Brandon, Josh W and Dan A. Fast, efficient and always courteous.
By J P.
Very dependable and professional service.
By Akira G.
You have always been great
By Judy R.
I would like to have a receipt of my payment
By Barbara H.
Ryan was very knowledgeable and prompt. He came to check the job out and to do an estimate, and within the week Dustin was out and he was so helpful! Great experience all the way around!!
By Asthma & Allergy C.
Bill is knowledgeable and friendly. We'd request him again if the need ever arose!
By Nick
