Chimney Thougts......

kevin coppinger_4

stack temps dropping as efficiencies get higher, and direct venting of oil boilers still not 100% w/o issues & power venters have there own issues ,chimney venting still is a tried and true method. But what are your guys opinons of new constuction methods...Masonary chimneys are not the best due to the tile liner can give you long term problems. Lining with a SS liner seems almost a waste if you are going to spend $$$ on a Mason, That leaves you with an ALL-Fuel vent that some don't like the looks of but can give you a good draft and put about anywhere....what gives you the best value in your thinking...kpc


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Ken_8

Ever thought of a condensing oil boiler?

Check out the Monitor FCX!

This should do it: http://mzboiler.com/

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Bob Harper

The issue is fast becoming moot.

As houses are being built tighter with efficiencies driven up to condensing units, pretty soon you won't see atmospherically vented appliances in homes except in remote areas, esp. down South.

The masonry chimney has seen its day and is unsuitable for most heating appliances even if built to some code, which none are. If you must install atmospherically vented appliances, you should opt for either factory chimney or masonry with a listed liner.

Again, with Mn. leading the way, soon all you will be installing are condensers.

Masonry chimneys without a listed liner should be outlawed for any fuel.

kevin coppinger_4

well that sounds good....

but the days of condensing OIL as a rule here in New England are A LONG ways out....In the mean time what is the best way to go.....kpc

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Constantin

I dunno about that...

... low sulfur fuel is finally becoming widely available. Once the sulfur is out, the condensing appliances should enjoy the same long lives as the condensing gas appliances. Yes, the pH of the condensate is lower, but that in itself is not the issue, the sulfur is what kills the stainless...

I just finished reading a Brookhaven report from 2002 which stated that the average price differential between low-sulfur heating oil (50PPM) and regular heating oil (2000PPM) in Switzerland was about 2.5 cents per gallon. Furthermore, given that most heating oil in the NE is derived from Diesel and that the allowable Diesel contamination levels are dropping to 500 PPM this year, I think we can look forward to longer-lived oil appliances up here.

Thus, it could be peanuts to drop the sulfur levels to less than 300PPM where Viessmann and the other condensing boiler manufacturers (besides Monitor/Equinox) set their limits and to start seeing the same efficiency out of a oil boiler as a condensing gas boiler. The only other differentiator then is modulation, a feature that I hope to see in my lifetime.

DaveGateway

BioDiesel

Should make low sulphur levels available right now. To bad viessmann won't bring these models to US shores.

Fred Harwood

Sulphur

Can anyone add credence to the story that from satellite photos one can see the heap of sulphur accumulating around Vancouver's refineries? What will we do with it?

Constantin

I read a story in the WSJ about that problem...

There is so much sulfur being extracted, nobody knows what to do with it. Hence, the huge slag heaps around refineries. Allegedly, the world price is now so cheap that transporting the stuff by rail to the harbor costs more per pound than what the stuff can be sold for.

S Davis

All Fuel

We use all-fuel on our jobs, it is pricey but works really well and you don't have to worry about a cold outside masonary chimney not venting correctly.
It can be cleaned esier also, we install a tee for cleaning.JMHO

S Davis

Apex Radiant Heating