The answer for this really depends on the alarm system. With the new Honeywell Lyric Home Controller, an install can be done within 2 hours, because of the wireless sensors and accessories. For a hardwired system, the installation time can take longer if the wiring has to be run through walls etc. When we provide you with a quote for the system we will include all the necessary information for how long it will take to get the system installed. It is usually much quicker to install a system if another system is already present. Call us at 1-844-230-2730 to find out exactly how long it will take to get your system installed.