A HEPA filter is a filter that can trap almost a hundred percent of particles from the air in your home, and HEPA stands for High Efficiency Particulate Air.
- It’s used to describe an air filter that can trap 99.97 percent of particles in the air.
Most HEPA filters are made of interlaced glass fibers. The glass fibers are twisted and turned in various directions and as particles are sucked into the air filter, they travel through this web. That means they get trapped in the web and taken out of the ductworks and ventilation ducts in your home, using a HEPA filter in your cooling system or your heater will absolutely improve the indoor air quality levels in your home, and don’t worry about the particles that make it through the HEPA filter in your heating and air conditioning system. It’s not like those particles are going to go straight into your nose and respiratory tract. There are other technologies, such as activated carbon filters, that work in air purifiers to help trap other things that a HEPA filter might miss. HEPA air filters were originally made to be used in factory settings however these days, they are being used in lots of various sites where you might find an air filter. HEPA filters are even being used in vehicle air filters and heating and cooling systems, in high quality vacuums, and in most media air cleaners. If you’re worried about the indoor air quality levels in your house and you’re thinking of trying to make some improvements, absolutely spend the extra money to buy HEPA filters for your heating and cooling system. While you’re at it, buy an air cleaner with a HEPA filter too. They are absolutely worth the extra money you have to spend up front.