If you’re in London, Ontario right now, you’ve seen it.

That white fluff floating through the air… piling up around buildings… sticking to everything.

Most people ignore it.

But if you own or manage a commercial building, that “fluff” could be the first sign your HVAC system is about to struggle this summer.

In this episode, Chris and Todd break down what’s really happening behind the scenes—and why problems that show up in July often start right now in May.