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Dual-Fuel Systems

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hot_rod
hot_rod Member Posts: 28,263
in THE MAIN WALL
boilers would be a better choice. The fire box and engineering for a solid fueled boiler is a bit different then a high efficiency boiler. Sticking a gas, oil, or lp burner in that area is often a compromise design. probably why you don't see a lot of them out there.ialong side the wood

I'd suggest a mod con as the back up to either a pellet or cord wood boiler.

Shop around, however. pellets are not all that cheap anymore. They seem to float around the same price a LP in my area. Corn or grain is a fairly localized fuel source and not really dependable from year to year.

Cord wood is still the best low cost fuel around here. But it takes some $$ to get a nice system installed and piped correctly.

Keep in mind the basic OWF outdoor wood furnace, runs aroud mid 40% efficiency. 60% of the woods energy goes up the stack. if you have to buy firewood this is not a great conversion.

Think solar with high efficiency back up :)

hot rod
Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream

Comments

  • Dan Sedens
    Dan Sedens Member Posts: 48
    Multi-fuel boilers??

    Anyone have any experiance with installing multi-fuel forced hot water boilers. A customer is looking for a new system that can burn either oil/wood pellets or gas/wood pellets. Building is approximately 3000FT2. Don't know where to begin. Any help would be greatly appreciated.
    Thank You
    Dan
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