A smoke detector can be purchased at most retail stores for prices ranging from $5 to $20.

Both battery powered and house current powered (hard wired) smoke detectors will work.

It is important to understand that hard wired smoke detectors still require a battery backup in case of power outages.

The advantage of hard wired smoke detectors is that they can be interconnected so that when one sounds an alarm, all the detectors will sound an alarm.

The National Fire Protection Agency (NFPA) recommends that residents install smoke detectors in every bedroom and at the entrance (hallways) of every sleeping area in your home.

Smoke detectors should also be located on every level of your home (including basements).

Smoke detectors should be placed at the highest point in a room on either the ceiling or on a wall.

If you are going to install your detector on the ceiling, position the detector 12 inches from any wall. Smoke detectors that are installed on a wall should be positioned 12 inches below the ceiling.

To ensure that the detector stays clean and in good working condition, install the detectors away from any heater/air conditioning vent, ceiling fans or windows.

Battery operated smoke detectors can be installed virtually anywhere.

Almost every smoke detector you can purchase comes with mounting hardware.

It is recommended that you follow the manufacturer's recommendations when installing your smoke detector.

Smoke detectors that are designed to be hard wired to your home's electrical system may require the services of a licensed electrician.

In order to keep your smoke detectors in clean, operating condition, keep them free of dust buildup.

Your smoke detectors should be tested once a month and the batteries should be replaced in the spring and fall, when you reset your clocks.

The lifespan of a smoke detector is only 10 years, so consider writing the purchase date or replacement date for each detector on the battery cover with a permanent marker so you will be reminded when it is time to replace your smoke detectors.

Yes, recent studies have shown that children may sleep through the sound of a smoke detector. Companies are beginning to release smoke detectors with the ability for owners to record a message that will be played instead of the "beep" alarm.

Some smoke alarms include flashing strobe lights to help as a visual aid