Good books on basic HVAC

[thfurnitureguy]

Any good books on HVAC repair and maintance I would like to do basic maintance and check on my apt units. I would be nice to have an idea of what is wrong before I get sold things I don't need. Thx. Tom

[NormChris]

Here you go. This series of short but quality books will take you to a new level of understanding.

http://www.lamabooks.com