There are domestic and commercial fire alarm systems available. Safety is the key here. As a result, maintenance service comes with every installation to protect your belongings and you. For a domestic setup it would be a simple smoke alarm system with wired interconnection and battery backup whereas in commercial there are fully addressable systems with simple ones for small businesses. Even HMOs or House of Multiple Occupation may get fire alarm systems installed.
The local fire authority provides helpful tips regarding the testing and how to install these alarm systems for domestic owners. Usually they recommend to test it every month. The common types of home detectors are heat and optical. Well optical smoke detector is good in terms of electrical fire smoke and slow burning fires whereas heat detectors are good in kitchens to prevent false alarms from burnt food which indicates a rise in temperature that could cause fire.