Most Common and Hidden Air Leak Spots in a House! Weatherization Part 1 of 2

I go over the Most Common yet Hidden Air Leak Sources in a Home or Building. I go over each location and how to remedy the problem. If an Air Conditioning or Heating System is struggling to keep the desired temperature and the system is operating correctly then it may be undersized for the building. What you can do is work on and seal up the building structure so there is less of a load for the HVAC unit to have to fulfill and thus meet the required temperature and reduce energy consumption. This is Part 1 of a 2 Part series.