Enjoy this video on How to Inspect Furnace Categories and Efficiencies with InterNACHI’s Ben Gromicko.
Thanks Ben, that was a good course if one took the whole thing.
Vent Categories 2015 IFGC Table 503.4 TYPE OF VENTING SYSTEM TO BE USED
Enjoy this video on How to Inspect Furnace Categories and Efficiencies with InterNACHI’s Ben Gromicko.
Thanks Ben, that was a good course if one took the whole thing.
Vent Categories 2015 IFGC Table 503.4 TYPE OF VENTING SYSTEM TO BE USED