2. Clean your air vent, inside and out When giving your home a good wipe down, you may be wiping the outside of your air vents to keep their surfaces shining.

It might not seem like a big issue, but it does have a knock-on effect on your indoor air quality and your home's energy efficiency, which is why it's important to clean your vents regularly.

The unit uses compressed air blow downs, at 50 pounds per square inch, to purge the filter cartridges. Tel. 800-726-5745, fax 302-337-3780, e-mail [email protected].