Found this today. Furnace Back drafting everywhere, 2" reducer on 3" pipe, burnt marks on flue and and a dryer vent used for both the gas furnace and water heater flue. Gas/CO2 meter was going off as soon as I got in the basement.
tewald (Terrill Ewald, CPI, MD# 31310) #1
cevans (Chuck Evans, CMI TREC 7657) #2
But how was the curb appeal?
tewald (Terrill Ewald, CPI, MD# 31310) #3