In some cases, will vape set off fire alarm in a hotel room that doesn’t explicitly allow it could trigger a fire alarm. This is bad news because it can cause a full evacuation and waste emergency resources, which can result in you and your party getting kicked out of the property (and potentially even fined).

There are three main types of smoke detector: ionization, optical and dual-sensor. Each type works differently, and some are more sensitive to vapor than others.

The most likely to be triggered by vapor is an ionization smoke detector. These work by adding a small amount of radioactive material alongside two charged plates, which creates an electric current between them. Smoke particles break this current, which is why it’s so important to only use non-smoking E-Liquid. Unfortunately, some ionization smoke detectors can also be triggered by the vapor from certain vaping devices, such as disposables and starter kits that produce a lot of vapor.

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The next most likely to be triggered is an optical smoke detector. These are much less common, but work by detecting a change in the temperature of the air. The sensitivity of these can vary, but they tend to be more sensitive to vapor than other types of smoke, such as steam or kitchen smoke. It’s also been known for dense clouds of vapor from higher powered devices to set off optical detectors. This can be avoided by blowing vapor away from the detector, or by using a smaller device that produces a lot less vapour.