You could win a $25 gift card just for taking our all-new Monthly Plumbing Quiz! Choose a card from Amazon, iTunes or Cabelas.

This month the topic is green plumbing and heating systems, including low-flow, high-efficiency, solar, geothermal and more. Just click below to get started:

And congratulations go out to the winner of last month's Health and Safety plumbing quiz, Wayne Stoa of Stoa Plumbing & Heating in Fergus Falls, Minn. Wayne, your Amazon gift card is on the way.