Get guidelines on recognizing warning symptoms which includes unexpected noises or smells coming from an air conditioner; early detection

https://www.mediafire.com/file/c8wehwwo6i8dbf8/pdf-30719-14418.pdf/file

Get guidance on spotting warning signs and symptoms including extraordinary noises or smells coming from an air conditioner; early detection ends up in well timed interventions combating extra damage down the street!