This series includes the top 12 Woodburning technical classes from the HE@RTH Online Training catalog. A total of 22.5 Technical CEUs are available if you take them all. Classes include the NFI Wood Series as presented at Expo 2015, the three NFI Wood classes that walk through the wood reference manual and the 3 best Tools & Tips for Service Calls classes from Expo 2012, 2013 & 2014. You can take any specific class or you can take them all! This series is sponsored by Mason-Lite by Masonry Fireplace Products. Check out their web site at