Indoor Air Quality Testing in Vernon & the North Okanagan

After the smoke clears

The sky goes back to blue long before the house does.

Every Okanagan summer brings a stretch of days where you keep the windows shut and the air still tastes of smoke. When the wind finally changes, the question that stays behind is a fair one: is any of that still in my house, or am I imagining it? c4u Inspections samples the air, sends it for laboratory analysis, and gives you an answer you can act on.

Smoke doesn’t leave when the smell does

Wildfire smoke gets into a building the same way everything else does — open windows, gaps in the envelope, and the fresh-air intake on your own HVAC system. Once it’s in, fine particulate settles on surfaces, into soft furnishings and into ductwork. Odour is only the part you notice. A house can smell almost fine and still be holding residue, and a house can smell terrible and turn out to be no worse than the neighbourhood outside it. Neither of those is something a nose can settle.

Where the house sits changes how much of it arrives. A property in town gets what the valley gets. A place on forested acreage — the country east of Vernon, out toward Lumby and the Cherryville direction, or anywhere the trees start at the fence line — sits in the interface, and in a bad week the smoke there is not the same smoke as downtown. Long driveways, well-treed lots and older, leakier envelopes all make it worse, and that combination is common up here.

This isn’t new ground for us. c4u has been inspecting Okanagan homes for smoke damage since the BC wildfires became an annual event, and it is one of the most common reasons the phone rings in August.

(Places are named here to describe exposure, not to state a coverage boundary. See the service areas page for where we work.)

When people book an air quality test

• After wildfire smoke — especially if the house was occupied through it, or was closed up and empty.
• After a flood, a burst line or a slow leak, once things are dry but the air still isn't right.
• A musty or sour odour you can smell but can't source.
• After a renovation, when new flooring, cabinetry, adhesives and paint are all off-gassing at once.
• Unexplained symptoms in the household that seem to ease when people are out of the house.
• Before you buy, when you want a baseline on record for a home you're about to take on.

If you’re not sure your situation belongs on that list, call and describe it. We’d rather tell you a test won’t help you than sell you one that doesn’t.

How the sampling works

Air sampling is non-invasive. Nothing gets opened up, and it’s quiet enough to run around an ordinary day at home.

1. 1

   We talk first. What happened, when, which rooms, what you're noticing. That decides where the samples come from and how many are worth taking.

2. 2

   We sample. A calibrated pump draws a measured volume of air through a collection cassette in the affected areas, plus a matching outdoor sample as a control.

3. 3

   The laboratory analyzes it. The results establish what is in the air and in what quantity — for mold, that means the kind and quantity of spores present.

4. 4

   We explain it. You get a written report with the lab findings, photographs, notes and recommendations, and a conversation where we translate the numbers into what they mean for your house.

The outdoor control matters more than people expect. Indoors is only meaningful measured against outdoors — during a smoke event the whole valley’s baseline moves.

What a test can tell you, and what it can’t

A test tells you what is in the air of your home at the time we sample it, and how that compares with the air outside. It can confirm a problem, and just as usefully it can rule one out — which is often what the report ends up doing, and which is worth knowing before you spend money on a cure.

What it can’t do is diagnose anybody. We’re building inspectors, not physicians. If someone in the house is unwell, that’s a conversation for your doctor; what we can give you is evidence about the building to take into it. And we don’t clean, remediate or restore. We test, we report, and if you need a remediation contractor we’ll tell you what to ask them for.

Also worth testing

Book an air quality test

Tell us what you're smelling, and we'll tell you what can be measured. c4u Inspections has been testing Okanagan homes since 2005, and now works from Vernon across the North Okanagan.

We look at your home with our heads so you can look at it with your heart.