The Onvis CS2 isn't just a contact sensor. With a 120dB siren, Thread support, and climate tracking, it's a 4-in-1 security ...

Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

Ford and Lincoln are recalling 116,672 vehicles equipped with engine block heaters that may crack and cause a coolant leak, leading to a potential fire. Recall documents show that the fire risk only ...

A common sight in ‘smart homes’, door sensors allow you to detect whether a door is closed or open, enabling the triggering ...

Space heaters give a jolt of warmth to chilly corners of your home. They can even cut your heating bill during the cold season when used strategically in place of whole-house heat. However, these ...

The best patio heaters keep you toasty and cozy in your outdoor spaces during the cold months — without needing to pile on sweaters and blankets. Plus, they keep your patio furniture warm, start up ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

With over 10 years’ experience writing about consumer affairs, Sarah leads on energy content at Which?, helping customers navigate the market and exposing poor practice. Immersion heaters heat water ...

In our tests of the best space heaters, we’ve found several models that work well—and some that even add a bit of style to a room—most for less than $100. We also evaluate the factors that contribute ...

What you need to know about storage heaters, including how much they cost and if night storage heaters could save you money on your energy bills. With over 10 years’ experience writing about consumer ...