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My vent doesn't seem to work well. How can I test it?

Here's how to test your vent:

  • Turn the stove burners off.
  • Cut an eight-inch x eight-inch (approximately 20-cm x 20 cm) square of newspaper.
  • Turn on the vent fan and hold the newspaper square over the vent filter.
  • If the vent holds the newspaper in place, your vent hood is most likely working properly. If the paper falls, the hood filter may be clogged – or the ductwork to the outside may be too long, which can cause poor venting performance.