It's Autumn, and by this point, many of us have turned the furnace on -- especially at night. But before we run that furnace on high, it's a good idea to do an annual check to make sure the system is running as it should be -- so we called in someone "in the know" -- Dylan Neufeld, who works in sales at Polar Plumbing and Heating in Winkler, to tell us what furnace checks are, and why it's important that we do them annually...