How does opening and closing your house doors affect your HVAC system?
To save energy, some people may choose to close interior doors to their homes so that the target room may still cool for longer. But this practice doesn’t necessarily mean that your system will work efficiently. An HVAC system to work efficiently will need to balance the air it takes in and the air it pushes out. Closing interior doors when operating your HVAC system does more harm than good because the pressure will build up and escape through crevices in walls and other openings. This air will then be replaced by air from outside. This means the process will be counterproductive as the unit will work extra hard to process the air from outside. Modern air conditioners are balanced as a whole. When you disrupt the balance by closing interior doors, your indoor air quality will suffer as you will be forced to compensate for sudden air imbalance. The air that is pulled from outside will have allergens, molds, and outdoor pollutants. This will mean that your indoor air will be significantly compromised. When you close interior doors in the summer, you will find that your home will have increased humidity, and there won’t be any significant improvement in your energy bill. When you keep your interior doors open, air will flow freely in every room; thus, no pressure build-up. Your AC will also cool your home evenly while using less energy. You can install and use fans to increase air circulation in your home as they are considerably cheap to run compared to an air conditioning unit.