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Posted by dean on October 24, 2005, 9:29 am
Hello all,
Simple question here (I think), but I'm adding a second furnace (wood,
providing hot forced air) to run with my current electric (hot forced
air, similar thing). New furnace will sit next to existing one.
If both of them feed into the air ducting close to each other, do I
need to separate the one so that it doesn't blow through the other
unnecessarily? What's the typical way of doing this? I had a quick look
over the installation instructions and there is nothing about adding it
as a backup or using the existing one as a backup. They both have their
own blowers.
A few hints would be very appreciated.
Dean
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Posted by Pop on October 24, 2005, 3:33 pm
Heat activated damper to keep wood heat from going into the
electric furnace. Feed heat with Y, not a T, connection. Not
too close to each other. Get an experienced heat man in.
: Hello all,
:
: Simple question here (I think), but I'm adding a second furnace
(wood,
: providing hot forced air) to run with my current electric (hot
forced
: air, similar thing). New furnace will sit next to existing one.
:
: If both of them feed into the air ducting close to each other,
do I
: need to separate the one so that it doesn't blow through the
other
: unnecessarily? What's the typical way of doing this? I had a
quick look
: over the installation instructions and there is nothing about
adding it
: as a backup or using the existing one as a backup. They both
have their
: own blowers.
:
: A few hints would be very appreciated.
:
: Dean
:
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Posted by Chris Lewis on October 24, 2005, 3:39 pm
> Heat activated damper to keep wood heat from going into the
> electric furnace. Feed heat with Y, not a T, connection. Not
> too close to each other. Get an experienced heat man in.
I'd be _very_ leary of paralleling furnaces together, especially
if one or more of them is a combustion-based furnace (ie: wood).
The slightest malfunction, and one furnace may blow combustion
products directly into the ductwork.
Yes, you're going to need a very experienced installer. And
check local building codes/get the result inspected.
--
Chris Lewis, Una confibula non set est
It's not just anyone who gets a Starship Cruiser class named after them.
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Posted by Stormin Mormon on October 27, 2005, 9:23 am
What did the other furnace do for heat? Oil, propane, and NG would be
combustion, too......
--
Christopher A. Young
Do good work.
It's longer in the short run
but shorter in the long run.
.
..
I'd be _very_ leary of paralleling furnaces together, especially
if one or more of them is a combustion-based furnace (ie: wood).
The slightest malfunction, and one furnace may blow combustion
products directly into the ductwork.
Yes, you're going to need a very experienced installer. And
check local building codes/get the result inspected.
--
Chris Lewis, Una confibula non set est
It's not just anyone who gets a Starship Cruiser class named after them.
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Posted by dean on October 27, 2005, 9:31 am
It was electric heat. We do have a fireplace in the basement, so I am
installing a SS liner up to the roof and will exhaust the wood furnace
through that.
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> electric furnace. Feed heat with Y, not a T, connection. Not
> too close to each other. Get an experienced heat man in.