Air conditioners need filters to clean debris, such as dust and dirt, from the air.Without a filter, dust and dirt can travel directly to the air conditioner's evaporator coil and cause damage to the system. read more
Air conditioners need filters to clean debris, such as dust and dirt, from the air.Without a filter, dust and dirt can travel directly to the air conditioner's evaporator coil and cause damage to the system. read more
Look for the filter's minimum efficiency reporting value, or MERV, which ranges from 1 to 12 for home AC units; the higher the number, the better filtration it provides (and the more energy needed to pull air through it, so balance air-quality concerns with energy costs). read more