I AM AN HVAC INSTRUCTOR I HAVE USED MANY TEXT BOOKS TO TEACH FROM. THIS BOOK IS, BY FAR, THE WORST I HAVE EVER SEEN. THE MISTAKES ARE VERY SERIOUS TO THE POINT WHERE THEY COULD CAUSE EQUIPMENT DAMAGE OR EVEN WORSE PERSONAL INJURY!

THE PICTURES DO NOT MATCH THE CAPTIONS IN SOME CASES. ALSO THE BOOK IS SUPPOSED TO BE AN INTRODUCTION TO HVAC, THUS THE TITLE, HOWEVER A GREAT DEAL OF THE MATERIAL IS VERY ADVANCED AND DIFFICULT TO UNDERSTAND EVEN FOR A JOURNEYMAN TECHNICIAN! THIS BOOK WOULD ONLY SERVE TO CONFUSE AN ENTRY LEVEL TECH.

I DEFINATELY DO NOT RECOMMEND THIS BOOK FOR ANYONE