Quote:
	
	
		| 
					Originally Posted by chedder  Is closing all basement registers recommended?  My basement gets ridiculously cold as well but thought you weren't supposed to close them for some reason. | 
	
 
I close all mine and it makes a huge difference to the overall comfort of the house. I don't think there is any drawback to doing that aside from having to open them all again whenever you switch back to furnace mode.