How Much Electricity Does a House Alarm Use?

House alarms require power to operate, so it’s important to understand how much electricity they use. This will help you to determine if you’ll be saving money with an alarm or if you should look into other options.

The energy consumption of a security system can vary greatly depending on the size and type of your home, as well as how many people are using the appliances. However, the average UK household uses around 8.5 kilowatt hours (kWh) of electricity every day for activities such as cooking, washing, and lighting.

How Much Electricity Does a House Alarm Use?

Electricity consumption by a security system is determined by the number of sensors in Burglar Alarms Essex it contains, as well as the power supply it uses. Most alarms use a 45VA (watts) power supply, but when you add additional power-hungry sensors, that can increase the consumption by as much as 100 watts.


Most alarm systems offer a monitored service that alerts operators at a central alarm receiving centre whenever something happens within the premises. This could be a burglary, fire or medical emergency. The control panel sends a signal to the monitoring centre that can then be seen and heard by operators at the station.

A monitored alarm will typically use speaker phones that enable the central station to speak to the homeowner or intruder, which can be beneficial for emergencies such as medical problems. These are also known as “Listen-in alarm monitoring” or “speaking alarm systems”. If you’re looking for a police-monitoring contract, make sure that the company/installer you choose is registered with your local police.

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