Tag - hepa filters

Debate over whether should schools use air purifiers

With the repeat occurrence of smog in China, many parents call for installation of air purifiers in classrooms. Some parents even offered to pay for the purifiers. However it is refused by school authorities. It has caused hot debate over whether air purifiers should enter schools. Experts say air purifiers on the market are mostly designed for homes or offices. It still needs evaluation to know if it is useful in classrooms. Education authorities in Shanghai said they will coordinate [...]

Home air purifier told you what is HVAC?

It is a common misconception to consider the air filter inside a home’s heating, ventilation and air conditioning system (also known as an HVAC) to be the most affordable and effective way of filtering your air. HVAC filters provide minimal filtration of airbone particles and deliver the air in a dispersed manner at a relatively slow rate. For maximum performance of your home HVAC system and to maintain energy efficiency levels, you should replace your filter at least every [...]