U.S. Department of Energy Energy Efficiency & Renewable Energy U.S. Department of Energy Energy Efficiency & Renewable Energy

Pressure Imbalances

Question: 

Negative pressure in a warm, humid climate can _________________.

  1. Pull water vapor into the home and create moisture problems through condensation in walls.
  2. Be caused by leaks in the return plenum, and leads to hidden moisture problems.
  3. Be solved by closing doors throughout the home to balance out the pressure