- Posts 2
Last Activity:11-02-2009 6:38 PM
Posted in thread: Fresh-air intake question on 11-02-2009 at 06:38 PM
Question...why do builders still use this type of system? High efficiency furnaces have been
around for what, 25 years? Combustion air comes in via PVC, and is exhausted via a matching
vent pipe. No n...
Posted in thread: Fresh-air intake question on 10-30-2009 at 10:53 PM
Ryan, our home in Edmonton, AB Canada was built in 2003/2004 and has a near identical setup to
yours - two 6" fresh air intakes, one to the cold air return portion and another to a
combustion pot that...