The Air Pollution in Southeast Asia

The biggest cause of air pollution in Southeast Asia is that the exhaust emissions of motorcycles and cars exceed the environmental carrying capacity; the second is […]

Analysis of ground air supply and top air supply

Analysis of air supply method 1.1 First, we analyze from the principle of air. Polluted air generally has more particles, carbon dioxide, etc., which means that […]

How It Works: Heat Recovery Ventilator

A simple device that keeps heat in while moving stale air out.     Over a period of time, older homes began to sport new, tight […]

Air Filter Fan Enjoy Every Fresh Air

Everyone has the responsibility to fight the epidemic and Corona-virus. Staying at home, segregating, protecting themselves and their families is the best way, home is a […]

Can The VT200 Wall Mounted HRV Be Effective Against Viruses?

The main function of people installing the fresh air system is to ventilate, by the way, the coarse filtering of large particles such as pollen. For […]