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Discussion Starter · #1 ·
I need some ideas to address the problem in the picture.



The old furnace is being power exhausted out the side. As you can see it destroying everything. I believe I can do an "L" vent since the window is sort of around the bend but then the roof will be black.

I would like to go lower into a window well or something but as you can see the footpath is there and a giant boulder.

The patio/outdoor dining are is just outside the slider so the smell is also terrible.

I considered sending the exhaust under the crawl out the other side but there is a leach field on a higher elevation. Maybe A well can be built there I dont know I have not read to deeply into the code.

Ideas anyone?
 

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Discussion Starter · #3 ·
Thats all you got Flash? I dont want a black roof or it showering down over a bigger area.

Do they make any kind of filter or arrestor for terminations that dont restrick flow? Wishful thinking Im sure.
 

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Capra Aegagrus
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The obvious question is, has the furnace been checked out for proper operation? An efficient burner shouldn't put out all that much gunk.

I do agree it should vent through the roof rather than gagging nearby pedestrians, ugly or not.
 

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I think there is something in the code specifies that any gas or oil fired vent discharge shall be directed away from the building. I think this one of the reasons why they having that issue having everything turn black.

With that said I haven't seen a vent like this discharging through a wall, they usually go up through the ceiling, unless it was a high efficiency unit and you have a few PVC pipes coming out at the bottom.
 

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I had a high efficiency furnace in my old shop that vented thru the side wall with a 3" black plastic pipe and T on the end horizontally.No problems with it but I'm no HVAC guy.
 

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That looks like it's an oil fired furnace. I'm wondering how they were able to get approval for it to be sidewall vented - even with being power assisted. It's not all that far from a big opening into the interior envelope of the house. I've got to believe there are smell and CO issues that close to a door. Maybe because the door is on a different plane, but still....

I agree with flash.... that thing should be vented into a masonry chimney, a Van-Packer flue system or replaced with a high efficiency unit that vents through PVC.
 

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That looks like it's an oil fired furnace. I'm wondering how they were able to get approval for it to be sidewall vented - even with being power assisted. It's not all that far from a big opening into the interior envelope of the house. I've got to believe there are smell and CO issues that close to a door. Maybe because the door is on a different plane, but still....

I agree with flash.... that thing should be vented into a masonry chimney, a Van-Packer flue system or replaced with a high efficiency unit that vents through PVC.
I was wondering about the same thing. When you go through the roof you have to be minimum 2' above the ridge 10' away from anything horizontally. Looking at that picture, there is a vented soffit right above it.
 

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Discussion Starter · #10 ·
I think it's actually 3ft in 10 for an L vent, will check. That window is also a concern but I think we can do it as I said in initial post.
I don't think the walk was there when installed.
 

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Discussion Starter · #12 ·
He doesnt have any in the house, neighbor probably have propane. The oil burners and accessories have been replace in recent years.

If you look at this photo, you will see a ledge for the crawlspace and foundation wall. If I didnt go with a chimney vent my only idea would be to lower it to the sill, unless there is a minimum rise needed for the connector.
 

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Discussion Starter · #13 ·
Now if we naturally vented up without the exhauster the air pollution maybe be less intense. I get the feeling the exhauster makes the unit run rich by drawing a greater flow.
 

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Tom, I would watch yourself with this job, the whole set up there just doesn't look right or safe for that matter.
 

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Discussion Starter · #15 ·
Tom, I would watch yourself with this job, the whole set up there just doesn't look right or safe for that matter.
No one is doing anything yet, looking for solutions. I think hes under contract with the oil equipment and has updated it but thats where it ends. Since I know some shady chimney liner specialists I dont trust anything they say.

What is concerning you? There is adequate clearance to combustibles. I need to look into the specs for the exhauster.

I get the feeling the closet above the furnace used to be home to a chase for that vent and when they renovated they send it out the side.
 

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Your place? Long term, why not change to propane? Get a higher efficiency model. Cooking with gas is much better than electric also.

If you want a Mickey Mouse fix, without going up, maybe trench across the walkway and terminate through the brick wall? Maybe there is some sort of code reference that will permit something. Probably not, but, it could be done, in a safe manner.

Granted, it is an unorthodox idea, but the venting would still happen. Hey, you asked for ideas. Just trying to think outside of the box.
 

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Now if we naturally vented up without the exhauster the air pollution maybe be less intense. I get the feeling the exhauster makes the unit run rich by drawing a greater flow.
I get the feeling the closet above the furnace used to be home to a chase for that vent and when they renovated they send it out the side.
I think you found your answer... Put it back the way it was designed, or move to a high efficiency boiler
 
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Discussion Starter · #18 ·
Your place? Long term, why not change to propane? Get a higher efficiency model. Cooking with gas is much better than electric also.

If you want a Mickey Mouse fix, without going up, maybe trench across the walkway and terminate through the brick wall? Maybe there is some sort of code reference that will permit something. Probably not, but, it could be done, in a safe manner.

Granted, it is an unorthodox idea, but the venting would still happen. Hey, you asked for ideas. Just trying to think outside of the box.
Appreciate the thoughts, thats why I asked. Its not my place I did the roof, siding, windows and now some kitchen crown ect... hes a close friend and I hate to see the siding work getting destroyed. The code will permit a vent termination at least 12" off the ground. 2 factors Im not sure of is if that changes to 24" because hes in snow country and the other concern is how much the riser needs inside prior to shooting out the side.
 

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Discussion Starter · #19 ·
I think you found your answer... Put it back the way it was designed, or move to a high efficiency boiler
Im just speculating. They only have a couple of closets in the whole house. If I did go natural I would build an outside chase and side it. The reason I dont like it is because the 3 in 10 rule for vent hieght on the roof may be oddly tall and then Im concerned the oil residue would be showering down over a greater area.

At least now its below your head.


Keep thinking, lowering it and making a well with sand could be the best way without a conversion.
 

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No one is doing anything yet, looking for solutions. I think hes under contract with the oil equipment and has updated it but thats where it ends. Since I know some shady chimney liner specialists I dont trust anything they say.

What is concerning you? There is adequate clearance to combustibles. I need to look into the specs for the exhauster.

I get the feeling the closet above the furnace used to be home to a chase for that vent and when they renovated they send it out the side.
My main concern would be that existing set-up... Maybe it meets all clearances but the whole set up doesn't look right at all.

Here is something to give you an idea of the set up using sidewall power vent kit for L vent.

Good luck
 

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