Are you thinking to install the home alarm by yourself? If so, then you should go with Ademco Alarm Systems immediately. Here is some information that you may need when you install it.
First of all, you need to know that the infrared sensor has passive thermostats that can detect the presence of human intruder. This sensor works with 98.6 degree body temperature and the room temperature stay between 55 degrees to 75 degrees. Therefore, the pets, rodents, air or breezes, are not set on the infrared alarm. You see, this is the best one that can avoid the false alarm.
One more thing, you should be sure that you have the garret access coverage. Moreover, it is very needed for the full or semi exposed one. Thus, I can say that you need to cover your garage too. You can install one or more panic buttons in the fixed locations.