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Posted by daytona on August 4, 2006, 5:50 pm
1. My customers 30 - 50 %
2 not 92%....94.6%
3 It has been proven to use outside air to combust fuels, because you are
not using inside air that has already been heated. Thus causing a vacuum to
the point you are drawing outside from some place to equal the air being
drafted up the chimney. Where do you think the O comes from to combust
fuels?????
4. if you wonder so much....you can design a more efficient hot water
heating boiler then
>
> 1. Any one have a High efficiency boiler, has your fuel consumption
> gone down, if so how much % wise?
>
>
> 2. It takes more energy for a furnace in a home to heat 70F air instead
> of 100F air. Likewise a high efficiency boiler's Air Vent Intake with
> air of -10F in winter cannot possibly be 92% efficient????????
> (Those AFUE values are probably done in spring like weather?)
>
>
> 3. Actually I'm a little suspicious why high efficiency boilers need an
> air intake but not regular cast iron boilers, my point of vue is they
> need cold air from the air intake to promote condensation which defeats
> the purpose and any $ savings???
>
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