How to Inspect Furnace Categories and Efficiencies

(Ben J. Gromicko) #1

Enjoy this video on How to Inspect Furnace Categories and Efficiencies with InterNACHI’s Ben Gromicko.

(Marcel R. Cyr, CMI) #2

Thanks Ben, that was a good course if one took the whole thing.

(Kenton Shepard, CMI) #3

Vent Categories 2015 IFGC Table 503.4 TYPE OF VENTING SYSTEM TO BE USED