Q: We have a high-efficiency condensing furnace that vents out a side wall. Should I be concerned about the icicles I see built up on the plastic pipe outside the house? -M.C. Kalamazoo. A: No.

Snow and ice buildup had blocked the exhaust flow on their high-efficiency furnace, causing it to shut off automatically. That's a safety feature on some newer models - to prevent poisonous carbon ...

Newer high efficiency furnaces have plastic pipes which vent exhaust directly through the side of your home. Most newer furnaces are designed to shut off automatically if the pipe becomes blocked ...

The Department of Commerce is encouraging Minnesotans to keep furnace exhaust vents, air intake hoods and chimneys clear of snow and ice to keep the heat on and prevent carbon monoxide poisoning.

It’s also possible to damage your furnace by closing too many air vents. Newer, high-efficiency models are designed to operate with your specific square footage in mind and with fans running at ...

The concept of the “high-efficiency furnace” in popular consciousness dates back to the 1980s. That’s when the National Appliance Energy Conservation Act of 1987 required all new furnaces be ...

The temperature of the exhaust air from a high efficiency system is around 95 degrees – an improvement that saves on utility bills and natural resources. Homes are more energy efficient than ever.

Ludwig: High-efficiency furnace costs more, saves money Jerry Ludwig Last week I began a reply to J. McC.’s questions about replacing his 1920s gravity warm air furnace (the “octopus”) with ...