How is your building ventilation system? Typically, as long as the HVAC system is working, this isn't a question most building operators dwell on. ...

How typical for Calgary to ring in the new year with -25 temperatures. I’ve been carefully watching my back fence the past few weeks. Why you a...

Once again, a household carbon monox...

In 2020, I measured the indoor air quality in Calgary parkades. In the 100 parkades I examined in Southern Alberta, I found worryingly frequent s...

We love it when people ask us: is solar worth it in Alberta? Clean air is our mission, so we are big fans of solar energy and we love telling people...

This week, a new study came out showing COVID-19 is getting better at spreading through the air. This should be on the radar of anyone who operates ...