100 how-to guides
Step-by-step how-to guides, explainers and repair tips for tools, repairs and home safety — in plain English.
A carbon monoxide detector can look perfectly fine long after its sensor has reached the end of its useful life. That’s why replacing one isn’t just a matter of swapping batteries: you need the…
A carbon monoxide detector can look perfectly fine while its batteries are weak, its sensor has expired, or…
Carbon monoxide can build up in your home without a smell, a color, or any warning you can…
Carbon monoxide can build up in your home without a smell, color, or warning you can see. A…
Carbon monoxide can build up in a home without a smell, color, or warning you can feel right…
A smoke alarm can look perfectly fine while its sensor is getting too old to respond reliably. That’s…
A smoke detector can look perfectly fine while its sensor has quietly aged, its battery has failed, or…
A smoke detector can look perfectly fine and still fail when you need it most. Testing takes only…
A smoke detector can spot danger while a fire is still small enough to escape from—but it doesn’t…
A smoke detector can give you the few extra minutes that make the difference between getting out safely…