Mike's Home Inspector Blog

The 12 Days of (Home Inspection) Xmas: Part 3

12/17/2023

Nine Ladies Dancing Around Carbon Monoxide Detectors
Carbon Monoxide (CO) is a silent killer as it binds to hemoglobin in the blood, cutting off the ability of the blood to carry oxygen. This byproduct of incomplete combustion is undetectable by our senses—it's odorless, tasteless, and invisible. Every home that utilizes a combustion system faces the risk of CO leaking into living areas. However, merely installing a CO detector isn't enough. These detectors lose their accuracy over time and typically function effectively for only 5 to 7 years. Sadly, many CO (and smoke) detectors I encounter are near the end of their lifespan. Therefore, it's imperative to check and replace them before it's too late.

Ten Lords-a-Leaping to Window and Door Checks
When it comes to home energy efficiency, windows play a crucial role. Upgrading them can indeed save energy and money, but the substantial cost of new windows might not always be cost-effective in the long run. During inspections, we pay attention to signs like difficult-to-open windows and uneven doors. While these issues can signal structural concerns, more often, they result from normal settling and can be rectified by re-shimming. Foggy windows are another common issue, signaling failed seals that require prompt attention. Remember that window issues aren't restricted to older installations: this one was approximately 5 years old!

This is an example of a failed seal.

Eleven Pipers Piping Pest Prevention
Pest problems are common in many homes, with mice and rats being frequent issues in our city and province. Preventing their entry is key. By sealing holes, managing nearby vegetation, and removing potential food sources, homeowners can significantly reduce the likelihood of infestations.

Twelve Drummers Drumming Up Home Safety

Check smoke/carbon monoxide detectors every 6 months.
Ensure secure handrails and clear stairways.
Verify the functionality of all lighting, especially in stairway areas.
Avoid overloading electrical systems and refrain from DIY electrical alterations.
Keep Christmas trees well-watered.
Practice a home evacuation plan regularly.
Maintain a well-stocked first aid kit.
Safely store flammable items.
Regularly inspect and maintain fire extinguishers.
Implement safety measures like gates and locks around young children.
Keep an updated list of emergency contacts.

And, of course, never underestimate the value of a professional home inspector! On behalf of the entire Inside Edge family, we wish you the very best this holiday season. Have a safe and Merry Christmas, Happy New Year and we look forward to seeing you in 2024!

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Smoke & CO Detectors

11/7/2021

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I had an incident at home a couple of years ago: it was about 6am one morning, my son was just a baby and as any of you parents know sleep was at a premium at that time. We all were in a much-needed deep sleep when I realized there was a BEEP BEEP sound in the house. I immediately jumped up and went to investigate. Turns out it was an older (and quieter) smoke detector downstairs that was defective and needed to be replaced but it occurred to me that the sound was muffled, and it wasn’t immediately obvious it was the smoke detector. As soon as the store opened, I purchased and installed a brand-new, much louder unit before heading off to work and made sure to carefully inspect my entire system that evening, including checking to see if I could still hear the basement detectors from the bedrooms with the doors closed.

One of the most worrying trends I see as a home inspector is the lack of proper smoke and carbon monoxide detection. My concerns include poor placement and outdated units right up to a complete lack of units in the home.

Smoke & Carbon Monoxide (CO) detectors should be located:

In each bedroom, either on the ceiling or on a wall within 12 inches of the ceiling.
In the basement, preferably near the stairs on the ceiling.
At least one on each story, ideally near the top of the stairs.
Just outside the garage.

Conversely, they should not be located:

In the bathroom.
In the kitchen.
In an unfinished attic.

There are various models available that are hardwired, run on batteries, or a hybrid of the two, where batteries are used as a backup. I always recommend the hybrid model, which provides the stability of being attached to the home’s electrical system but with the backup in case of power failure given the frequent power outages we have in Nova Scotia. Ideally, all detectors should be linked together so that all sound when one goes off, although that can be difficult to retrofit into older homes.

CO detectors serve a similar potentially lifesaving purpose. While dangerous levels of CO in a home is relatively rare, the simple fact is that CO is odorless, tasteless, and toxic to humans even in small quantities. While not all homes have to worry about CO (such as all-electric homes without garages), in most cases is it is necessary to have CO detectors in the same locations as smoke detectors.

It is not enough to just install and forget about these units: not only should they be regularly inspected and tested, but they need to be replaced regularly. Smoke detectors usually have a life expectancy of about 10 years and CO detectors should be replaced every 5 years. Combined, these two types of detectors could save your life (smoke in particular only takes minutes to become fatal) and need to be treated as critical components to a safe and healthy home.

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