An HVAC unit is not complete without a good HEPA air filter. An air filter is essential for protecting your family and condo from harmful air pollutants and contaminants. A dirty air filter will decrease the efficiency of your HVAC system, making it harder to heat or cool your home. In addition, an air filter can help to protect your family from respiratory illnesses. There are a few different types of air filters, and each has its own benefits and setbacks. The most regular type of air filter is the activated carbon air filter. This type of air filter is made from activated carbon, which is a type of carbon that has been treated with a chemical or heat to make it harshly porous. This makes it able to absorb a wide variety of pollutants and contaminants. The negative of the activated carbon air filter is that it can become clogged over time. The most common type of air filter is the pleated paper air filter, which is also quite inexpensive to buy. This type of air filter is made from paper that has been folded and pleated. This creates a tight seal between the air filter and the air inside the filter, which helps to reduce the amount of air pollution that is allowed into your home. The negative of the pleated paper air filter is that it can also become clogged over time. The final type of air filter is the foam air filter. This type of air filter is made from foam, which is a type of plastic that is specially designed to absorb pollutants and contaminants. The negative of the foam air filter is that, take a guess, it can become clogged over time as well. The best way to protect your family and condo from harmful air pollutants and contaminants is to install an air filter. Air filters are available in a variety of different types and sizes, and each has its own benefits and setbacks. Choose the air filter that is best suited for your needs and install it into your HVAC system as soon as possible.