my website units, mild a stick of incense and maintain it exactly where the unit along with the window body meet up with; for central AC, maintain the adhere near duct connections.This applies to central AC system condenser units, considering the fact that window-mounted air conditioners aren’t on the bottom.Call a AC professional cleaner—or your landlord—should you observe h2o pooling around the foundation of the evaporator unit, website link or see h2o-harmed flooring nearby.Get rid of front plate and vacuum the coils with a tender brush attachment. In case you go ahead and take unit exterior, you'll be able to hose them off if you are taking care not to get the motor or electronics wet.