The Oscar winner Halle Berry and the Canadian model Gabriel Aubry have dated since late 2005 and welcomed the daughter Nahla Ariela Aubry in 2008. However, after their broken up in April 2010, there's a surprisingly nasty custody battle on the 3-year-old daughter Nahla. While Halle blasted the model as a possible unfit parent, Aubry claimed that Halle never was around her daughter. One of the most common problems with hvac equipment is poor ventilation. This problem makes your hvac equipment work like inefficient outdated models which can waste plenty of your money. The two most common reasons behind poor venting: inadequate duct sizing as well as a dirty return air filter.