http://ohgizmo.disqus.com/enMon, 21 Mar 2011 05:42:42 -0000http://www.ohgizmo.com/2008/12/29/vent-miser-programmable-energy-saving-vents/#comment-168931742<p>Great article as always. </p>Air Duct Cleaning KendallMon, 21 Mar 2011 05:42:42 -0000http://www.ohgizmo.com/2008/12/29/vent-miser-programmable-energy-saving-vents/#comment-4739491<p>If the guest room is unoccupied for most of the year, why not just manually close it yourself? Cost: Free.</p>MattTue, 30 Dec 2008 00:42:57 -0000