Heating and cooling a home use a lot of energy and are a major focus when people try to reduce utility bills. Some have suggested that closing HVAC vents in unused or little used rooms as a way to reduce energy usage and bills, and there are products coming to market that will automate vent closing.
This might seem intuitively like a good idea but is closing vents really beneficial? Are there downside?
A new post at Energy Vanguard suggests the answer may surprise some. Read more...
For any interested in this from an engineering point of view, here is a link to a laboratory study investigating this question.