Why you should stay away from DIY electric works The first reason is quite obvious: Electrical shocks! If you are not properly trained and aware of safety procedures, chances to be electrocuted are very high. Electrical wiring is a safety hazard, but not if it's done right the first time around, and
Air passes through dust filters prior to being cooled at the cooling coil and blown out from the air conditioner. Dust filters are usually intended to remove larger particles that would foul the cooling coil and aren't effective at removing small airborne particles.