You should change the batteries in your smoke detectors at least once per year. Mark it on your calendar or make it a holiday or birthday tradition so that you always remember it. You should also be testing your smoke alarms monthly to ensure they’re working properly and can alert you in case of an emergency.

According to the National Fire Prevention Association (NFPA), the leading cause of house fires is cooking accidents, followed by fires started by heating equipment. Electrical issues are the third most common cause of house fires. The best way to keep your home protected is to use caution when cooking and never leave a stove or oven unattended while in use. You can also keep up with chimney cleaning and avoid using space heaters to reduce the risk.

A smoke alarm that beeps periodically, often every 30 to 60 seconds, usually indicates a low battery. The first step is to replace the battery. If this doesn't solve the problem, try resetting the alarm. However, beeping can also signal other issues, such as dust buildup in the sensors or the unit reaching the end of its life. Different beep patterns can mean different things; for example, multiple beeps might indicate an issue with a combination carbon monoxide detector, while a continuous, loud alarm means smoke has been detected. If a new battery doesn't stop the beeping, it's best to consult your alarm's manual, call a professional, or replace the unit.

If your oven is new, then it’s likely that the oven smoking is due to it being a new unit. In this case, you don’t need to worry about the oven smoking. However, if your oven is old, you can’t identify any burnt food or grease that could be behind the smoking, or you have concerns about the heating element, then you should hire an oven technician to inspect your unit.