HVAC Bible for BeginnersComplete Diy Guide + VIDEO COURSE to Master Any Type of Heating, Ventilation and Air Conditioning System. Ideal for Aspiring HVAC Pros Without Any Prior Knowledge
Ultimate Guide: PlumbingBeginner-Friendly Step-by-Step Projects, Comprehensive How-To Information, Code-Compliant Techniques for DIY, and Over 800 Photos
American Electricians' HandbookThe definitive industry reference for information on designing, installing, operating, and maintaining electrical systems and equipment.