Your heating and air conditioning unit is the single most expensive system in your home. This book will simplify the different heating and air conditioning systems. It provides elementary text on the relationships and operation of every component of indoor comfort equipment. The subject will be thorough yet, written using, non-technical language which anyone will understand, regardless of their technical aptitude. Anyone will be able to diagnose and correct some problems with their Heating and Air conditioning systems. You will find troubleshooting procedures, maintenance tips and details, which will extend the life and energy efficiency of your heating and air conditioning system. It includes all technical terms with illustrations and definitions of heating and cooling systems from oil furnaces to heat pumps. The book also includes a section on domestic refrigerator repairs and information on controlling Radon Gases in your home.