My house has 2 return vents, so how much additional charge.
kwai y. asked on Apr 30, 2013
Sorry we're just getting to your question now. Due to the large volume of inquiries on this deal, your best bet to answer your question is to call directly at 1-800-765-0138. They'll be happy to help!
Andy C. from Groupon replied on May 3, 2013