Home Maintenance Questions and Answers - Recent questions tagged high efficiency furnace vent termination

Can high efficiency pvc furnace exhaust and intake be insulated?

Mon, 15 Oct 2012 12:51:53 +0000

Can high efficiency pvc furnace exhaust and intake be insulated? I would think the R-value of pvc is next to zero and that there would be a considerable amount of heat loss transfer into the house from these pipes. Offten times these pipes run fifty feet or more through a house. So I was wondering if it is possible to wrap the pipes with insulation or if there is an insulation designed to fit over the pvc as it is being istalled?

instaling pvc vent pipe in exsisting 6" bvent for new 96% high efficient furance

Wed, 07 Dec 2011 18:02:48 +0000

I'm replacing my old furnace with a new 96% efficient furnace. also my hot water tank which the new one will be electric. I would like to run the two 2" pvc pipe up my exsisting 6" b vent pipe. instead of plugging it off as i would not need it. Is this possible and if so is there a special cap for the top of the b vent to seal off the 2 pvc pipe . I live in kamloops bc canada

Distance between furnace exhaust, intake, and water heater power vent termination

Sat, 03 Dec 2011 03:48:31 +0000

John says:

March 11, 2011 at 9:31 am

How far away does the exhaust and intake on a 90 plus furnace have to be from the vent pipe on a power-vent water heater?