When it senses smoke, it delivers several verbal warnings before activating the 85dB alarm, giving you just enough time to deactivate the alarm through the app or by waving at the built-in motion detector before you get an earful. Find Fireangel wireless smoke alarms or devices that plug into your mains power with a back-up battery to ensure you're always protected, even during a power cut. With power inputs to suit all installations, including sealed, tamper proof, batteries or mains powered options with back-up batteries, you can be confident your FireAngel device will protect you for years to come.

Having completed this functional test, we take a careful look at any controls, screens or indicators to see how clear and effective they are. Even smoke alarms can be integrated into your smart home setup now, thanks to Fireangel Pro Connected smoke alarm.In the first, a tiny amount of a radioactive isotope (far too small to cause any harm) causes ionisation in the air within the smoke alarm. Traditional optical alarms aren't as good at detecting the black smoke from fast flaming fires but as a secondary product of a fast‑flaming fire is heat, Thermoptek Fireangel smoke alarms detect both elements for a quicker response time.

In 2022, Scotland added further legal requirements that smoke alarms fitted in a home be interlinked, so that if one goes off, they all go off. If it does go off inadvertently, the large, central test/mute button makes it easy to silence, saving your ears from a thrashing. The 10Y29 responded quickly to simulated smoke in testing and, at full tilt, the alarm is loud enough to wake heavy sleepers, if not the dead. As a rule of thumb, it’s best to use optical alarms in living rooms, bedrooms or downstairs hallways where you either have a lot of upholstered furniture and soft furnishings or the alarm is likely to be set off by cooking fumes. This Twin pack contains 2x FireAngel smoke alarms which use Thermoptek multi-sensor technology which pairs the very latest in optical sensing with thermal enhancement, and when compared to single sensor alarms reacts to fire in under half of the time.Different makes and models will be slower or faster to detect smoke coming through and have different alarms working at different volumes. The reason for having smoke alarms is, of course, to save the house occupants if a fire should break out. Thermoptek technology combines the very latest in optical sensing with a thermal enhancement, constantly monitors for temperature change and if a sudden rate of temperature rise is detected, the sensitivity of the alarm is increased. Of course, it’s entirely possible to get connected smoke alarms that hook up directly to your home network via Wi-Fi, or through a proprietary connection or a Zigbee or Z-Wave hub.

We then look at any instructions and fittings provided, to see how easy it would be to fit the alarm to a wall or ceiling. Where your alarm is installed can trigger nuisance alarms if not correctly placed, for example too close to doors or windows.The ST-622 alarm cannot be interlinked to other alarms in your home, but still offers a high protection against fire. Unfortunately I decided to use the sticky back foam only and did not use the screw fitting supplied. Finance is provided by PayPal Credit (a trading name of PayPal UK Ltd, Whittaker House, Whittaker Avenue, Richmond-Upon-Thames, Surrey, United Kingdom, TW9 1EH). They incorporate the latest technology to provid e the most reliable and efficient safety alarms for your home. Use the large central button to easily test and silence your alarm using a sweeping brush from below - no need for a step-ladder!

Using the sensing technology of choice for the UK's Fire and Rescue Service, the FireAngel ST-622 is a sealed 10 year battery powered Thermoptek smoke alarm with improved detection of slow-smouldering fires.Little touches such as this elevate the ST-622Q above your run-of-the-mill smoke alarms, making it one of the best options for most households. They won’t go off when you’re grilling sausages or burning toast, but they still provide ample warning if something catches fire in your kitchen. That means you can enjoy breakfast without having to stand underneath the alarm, flapping at it to stop it screeching every morning when the toaster pops!