Smoke & Carbon Monoxide Detectors: What to Look For & When to Replace

How to tell if your detection systems need to be replaced:

1. Pay close attention to the colour & physical condition of the alarm:

• If you noticed that it has a yellow hue or is showing visible/physical signs of aging or deterioration, then it needs be replaced.

2. Even if the unit appears to be in good physical condition:

• You should always make sure that the unit has fresh batteries.
• Most alarms will begin to “chirp” when the batteries are running low. As a general rule of thumb, you should replace them with fresh batteries at least once per year.
• After installing the new batteries, be sure to hit the test button located on the unit to make sure it is in working order.
• Additionally, you can also purchase an aerosol smoke detector test spray to further inspect your unit. These test canisters/sprays are widely available at most hardware stores.

3. Even with fresh batteries:

• If your detection system appears to malfunction or sound at random times on a frequent or infrequent basis. We recommend that you replace it.

4. Smoke & Carbon Monoxide Detectors should be replaced every 10 years or sooner (regardless of appearance or functionality).

• If you’re unsure how old your detection units are or when they were installed, then we recommend you have them replaced.
• When it comes to the safety of your home and family, this is an area of home maintenance that should be a top priority. And for your peace of mind, it’s better to be safe and confident knowing that these systems are in working order.