Small flashing red lights and chirping sounds every 30 to 60 seconds can mean it’s time to change a smoke alarm’s battery.

Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Prices are accurate and items in stock at time of publishing.

Q: I changed the batteries in my smoke detector, but when I tested it afterward nothing happened. The batteries are new, but the smoke detector is very old. I know that it’s hard-wired into my home’s ...

Expensive repairs? Find a warranty to cover future costs. Expensive repairs? Find a warranty to cover future costs. According to the National Fire Protection Association, smoke detectors should be ...

Q: My home has hard-wired smoke detectors. How often do I need to replace them, and what kind of replacements do I need? Can I do it myself, or do I need a professional? And if I need a pro, what kind ...

When replacing batteries, opt for lithium batteries, which typically last up to 10 years, matching the lifespan of most smoke detectors. It’s essential to check the manufacturing date on the unit. If ...

The Farmington Hills Fire Department urges everyone to change their smoke alarm batteries when changing their clocks from Daylight Saving Time back on Sunday, Nov. 6. “It’s an easy, inexpensive, and ...

However, as smoke alarm companies discovered, temperature plays a big role in how batteries perform. Hotter temps create less electrical resistance and amp up battery activity, while colder temps do ...

CHECK YOUR ALARMS  When was the last time you changed your smoke alarm battery? The end of daylight saving time is a good ...

When's the last time you tested (or replaced) your smoke detector? Can't remember? Then it sounds like it's time to give it an inspection. While smoke detectors are made to last a full decade, it's ...

If your smoke alarm keeps waking you up for no reason, here's what's going on -- and the maintenance that can stop it.