Domestic Smoke Alarms

Installing smoke alarms throughout your home could help save the lives of you and your family. You may not be aware that there are various different types of smoke alarms available. We will assess your property and advise you which smoke alarms will be suitable for your home, working within your budget where required.

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There are different types of fire alarms available, each with different methods of detecting fires, and each suited to a particular areas of your home or property.

We will help you select the right type of fire alarms for the key areas of your home, helping to avoid false triggering of the sensors resulting nuisance alarms.


We recommend multi sensor systems for all our customers. While more expensive to install than single sensor systems, these alarms can detect both heat and smoke. They provide the best fire response for all types of fires - from fast flaming to slow smouldering fires. The alarms monitors the sensors intelligently and reduces the chance of triggering false alarms.

Multi-Sensor Alarms are suited to:

  • Hallways
  • Landing
  • Living Room
  • Dining Room
  • Bedrooms

Optical Sensor smoke alarms use infra-red beams to detect smoke. They are designed to detect slow, smouldering fires (such as electrical fires). Optical sensor smoke alarms are also less sensitive to being triggered by kitchen cooking fumes, making them ideal rooms adjacent to your cooking areas.

Optical Sensor Alarms are suited to:

  • Hallways
  • Landings
  • Living Rooms
  • Dining Rooms

Heat sensors work by detecting temperature changes. If a temperature above 58°C degrees is detected it will trigger the alarm. Heat sensors are suited to kitchen areas as they are not triggered by cooking fumes. You should not use heat sensors in other areas though as they will not detect the early stages of a fire – other types of smoke alarms should used instead.

Heat Alarms are suited to:

  • Kitchens
  • Garages

Ionisation Sensors use a harmless radioactive source to detect invisible smoke particles given off by clean burning fires (bedding and clothing). Ionisation Sensors are sensitive cooking fumes and might trigger shouldn't be fitted near kitchen or cooking areas.

Ionisation Sensors are suited to:

  • Bedrooms

The type of alarm you require, where they need to be placed and the number you need to install will differ depending on the size, shape and usage of your property. Choose Electrix Services and we will survey your home and produce a protection plan ensuring all areas are sufficiently protected.

For the utmost protection Smoke alarms should be interconnected throughout a property. This way each alarms will sound if one of the alarms is triggered. By using wireless technology, alarms can be interconnected using Radio Frequency signals, this reduces the needs for additional interconnecting cabling and allows additional alarms to be fitted quickly and easily if required.

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