Enjoy this video on How to Inspect Furnace Categories and Efficiencies with InterNACHI’s Ben Gromicko.
bgromicko (Ben J. Gromicko) #1
mcyr (Marcel R. Cyr, CMI) #2
Thanks Ben, that was a good course if one took the whole thing.
kshepard (Kenton Shepard, CMI) #3
Vent Categories 2015 IFGC Table 503.4 TYPE OF VENTING SYSTEM TO BE USED