I attended a mastergaurd smoke detector presentation where they told the group of us that the off the shelve smoke detectors simply do not work and was even shown a video displaying ten of the most common detectors and how when a sofa was smoldering and smoking only one went off after 55 minutes ...
This company is a scam of epic proportions! Do NOT purchase any equipment from them. They do NOT make fire alarms and the ones that they purchase from Gentex/Interstate/Costar are all available on-line for fractions less. Here is how their scam works: They purchase smoke alarms from Gentex corp. ...
Went to one of thier dinners, they brought up some points worth listening to, but it went sour in a hurry. Having worked in hi-rise residential construction for many years and working very closely with Planning Boards, electrical inspectors, and Fire Marshalls, it didn't take long to realize this ...