Air handling Units

Charles Nehme is an HVAC Consultant with 30 years of international expertise and has accomplished and implemented many projects on different applications. Charles is a European National and US Educated from Widener University, Chester Pa. Contact:info@cfn-hvac.com I have written many other books in The HVAC industry under my name found on Amazon, Ibooks, google play, B&N and Payhip My main website https://www.cfn-hvac.com