SIOUX CITY -- Sioux City Fire Rescue is reminding homeowners with high-efficiency furnaces to check their fresh air intake and exhaust pipes to ensure they are free of snow. These pipes ...

CBC North's Mark Hadlari inspects his chimney exhaust on his roof. Hadlari's high-efficiency furnace iced up his exhaust during a recent cold snap, because it emits steam with very little smoke ...

“The furnace vent pipes, the exhaust and intake can get plugged up with ... of people seeing ice build up on the exhaust of their high efficiency furnaces,” he said. Tweet This Click to ...

Question: I was wondering if you could give me some advice on the proper way to resolve snow buildup over my high-efficiency furnace exhaust and intake vents. The vents come out of the foundation ...

That new high ... exhaust but small enough to stay warm, creating a draft. Chimneys in most homes are sized for a furnace and a water heater. But when an old furnace is replaced by a high ...

Bob and Tim were doing a routine seasonal service call on a high-efficiency ... out of the exhaust, but in cool weather it appears as a fog, much like a clothes dryer vent. The condensing of the ...