Air filtration systems can be lifesavers for the right homes. To find out more, House Digest spoke to HVAC expert Richie Drew for exclusive guidance.

Smart filters for your HVAC system will send a signal through an app to your phone or tablet to alert you when it’s time to swap out your filter, and in some cases, can monitor your air flow and ...

Check your current filter. The easiest way to find the size you need is to look at the filter that's already inside of your ...

Pinwheels are pretty optimized from a design standpoint, and are so cheap and easy to build that putting a pinwheel to work as an HVAC duct ... His experiments in air duct flow measurements ...