Customer service has gone downhill. Been with them for over 20 years. After hours guy is rude and not very knowledgeable and totally unhelpful. May just do my own monitoring system with Simplysafe......dont need to be treated this way.

We've been with Dehart for 14 years. In the beginning they were a very good company, but over the years they've descended into total incompetence and horrendous customer service. We're looking for a different alarm company.

I changed the review from 5 stars. I have been a customer for more than 10 years, and they used to provide excellent customer service and were local. Now, they don't return phone calls or emails, or messages on the app. Took over a week to...

Used to be a good company. Had them for 14 years. They are absolutely incompetent now. I tried to make a service appointment to replace back up battery 10 days prior to Thanksgiving and none available. Whole system locked up shortly after I...

Have these guys at my store and my warehouse location.... Sensors at the warehouse were faulty... Finally got fixed after a few tries.... )-: Store back door sensor just went off AGAIN as I'm laying in bed @ 10:30 at night !! Time for another...

We have been using Dehart for many years the alarm service has been consistently great. We had to redo a ton of cameras & sensors after a remodel recently. Matt came out and did everything better than anyone else we have had dealing with alarm...

Dehart Alarm Systems Inc has received a review with 1 star rating from L'Oriel Williams

Dehart Alarm Systems Inc has received a review with 5 star rating from Teresa Parsons

Brandon is a great technician I can always trust him to do a thorough check of our alarm system Thank you from the Vinson family

Brandon was thorough and took his time getting our home secure with the proper set up. He explained everything and helped us understand all of the facets of our system.