We often think of our homes as safe, comfortable spaces—but what many people don’t realize is that indoor air can be more ...

We asked HVAC professionals how often you should clean your air ducts. They gave us the details on cleaning frequency, ...

While recently eating dinner with my colleague Paul Wieboldt, we started talking about the common defects found in many duct systems today. As we listed the various duct system flaws typically ...

For the past 50 years, engineers have been “designing” duct systems. Quite often, they were not actually designing the systems, but were sizing duct the duct according to some rule of thumb. The rules ...

Years of hands-on HVAC system analysis across Colorado show a clear pattern: indoor air problems rarely start in living spaces—they start inside the ductwork.

Saving time and cost while delivering a superior solution – those were the qualities that earned PanelDuct the overall Irish Times Innovation Award for 2015. The company's novel ventilation ducting ...

While you may think your HVAC system is solely responsible for heating and cooling your home, the system is also used for maintaining pure indoor air quality. But, if an HVAC system is maintained ...

In the last blog, I looked at the fundamentals of mechanical ventilation and heat recovery and this week I'll be looking specifically at the system that we are installing in the Denby Dale Passivhaus.