Yes. It’s okay to leave a pellet stove on overnight, and these stoves can provide 24 to 48 hours of warmth from one ignition. However, you should practice proper pellet stove maintenance, like cleaning the burn pot before each use, deep cleaning the unit at least once per year, and running the fan when the stove is lit.

You can’t gauge the lifetime of a fire door like you could, say, an engine. Fire doors should be checked at least once every six months to ensure there are no signs of degradation like leaks, holes, water damage, termite damage, or anything else that might compromise the functionality of the door’s fire resistance. Check your smoke detectors while you’re at it.

Ensure you have a safe environment for them to work on, and there aren’t items such as logs, build-up of yard materials, missing or damaged shingles, and weak areas on the roof. Communicate any known electrical issues with contractors at the beginning of the project, and consider hiring an electrician to fix those. Finally, if you are attempting the project yourself, do so when there isn’t any rain, and you can safely get your footing on the roof using proper equipment, such as an extension ladder. Don’t attempt this alone, and have a helper nearby to assist.

No, a chirping smoke alarm is usually a sign of an issue with the power supply of the unit. This is easily solved by replacing the battery to stop the smoke alarm from beeping. If the chirp continues, review the owner’s manual to determine the cause. These chirps are short and not as loud as the beeping of the alarm itself. If you can’t tell the difference, it’s best to treat it like an activated alarm until you find the cause.