It could be an issue with your return air vents. Not having enough return air vents affects how hard your heating and cooling system works, and it impacts the air pressure in your home.

High-performance buildings represent the frontier of architecture and environmental/systems engineering. Their intent is to deliver superior energy efficiency, environment quality, durability and ...

The blowing into the artificial airway must be more forceful if there is air leakage. The force of blowing necessary to ventilate the patient's alveoli adequately can be determined by observation ...