http://bit.ly/IAQquestions To learn the 10 questions you should be asking click the link to access all the videos.<br /><br />00:00 [Music]<br />00:08 the tenth question that's commonly asked<br />00:11 is is a new duck system better than an<br />00:14 old duck system I would tell you that in<br />00:17 my opinion a new duct system done right<br />00:20 is better than an old duck system most<br />00:23 most old duck systems have an r-value<br />00:25 for the insulation of one point five to<br />00:29 maybe four point three today's duck<br />00:31 systems have an r-value of six and an<br />00:34 r-value of eight depending on what type<br />00:36 of ductwork you get if you can keep the<br />00:39 heat out of the duct system for longer<br />00:41 makes the system more efficient it's<br />00:43 less hot in cool drafts that you're<br />00:45 getting before the equipment comes on<br />00:47 and it's just overall better plus with<br />00:50 the newer design duct systems the flow<br />00:52 through the system is better than the<br />00:54 older design systems and that's gonna<br />00:56 make the house more comfortable so in my<br />00:58 opinion I would tell you yes that a new<br />01:00 duct system is going to be better than<br />01:02 an old duck system<br />01:03 [Music]
