Modern mechanical ventilation systems are very effective because they run 24 hours a day, constantly bringing fresh air into ...

How Clean Is the Air in Your Home? The air inside your home may not be as fresh as you think. According to the Environm ...

Whether it’s at home ... typical kinds of ventilation used in modern buildings. Some systems run in a recirculating manner, while others bring in additional fresh air from outside.

Opening a window to ventilate your home may seem harmless, but it can be a big waste of energy. We discovered how mechanical ventilation systems recover heat whilst ventilating, saving 80-90% of ...