Make sure you call the fire station or Grand Alarms right away to avoid any unnecessary emergency dispatches. Otherwise, they are pretty careful in terms of following up with you.
Considering that the work is not difficult and fast, everything is OK. The job was done quickly, as promised. They know their business. I recommend them for cooperation to my colleagues and friends.
Security of my family is a priority number 1 for me and for that reason I was trying to find the most reliable security company and I must say that these guys do their job really professional!