Coal Boiler Buffer Tank, Any Success or Failure Stories ?

Stoker Coal Boilers automatically feed the coal and have controls and pumps just like any conventions boiler. They are intended to be used as a primary heat and often have domestic hot water coils as an added bonus. They can be set up independently or in dual sytem with your existing oil/gas boiler. They can accommodate both hot water base board or steam plumbing.
Kenbod
Member
Posts: 133
Joined: Sat. Sep. 06, 2008 10:07 pm
Stove/Furnace Make: Van Wert Simplex Multitherm
Stove/Furnace Model: Keystoker Kaa-2

Post Mon. Feb. 28, 2011 9:29 pm

I can prove that a boiler tank with a Kaa-2 (which only holds about 24 gals) will improve efficiency. There is no doubt.

But most folks burn coal for reasons of economics. What I cannot prove is that such improvements in efficiency would ever save the owner any money.

My Kaa-2 system would save around 5% in overall efficiency with such a unit. If one is considering the Ergomax at around $1200+ installed, I would advise caution. $1200 buys me (in CNY) almost 5 tons. The return on investment would be longer than the anticipated lifespan of the Ergomax. An older electric water heater or galvanized well tank from Tractor Supply fro $200 would pay back much faster.

Remember, you can heat with electricity at about 100% efficiency. But you don't. You heat with coal at about 80% efficiency because it costs 75% less.

Visit Alternate Heating Sytems

User avatar
lsayre
Member
Posts: 12232
Joined: Wed. Nov. 23, 2005 9:17 pm
Stoker Coal Boiler: AHS S130 Coal Gun
Coal Size/Type: Blaschak Anthracite Pea
Other Heating: Resistance Boiler (13.5 KW)
Location: N/E Ohio, between Medina and Wadsworth

Post Mon. Feb. 28, 2011 9:38 pm

As Indirect Hot Water tanks go the Ergomax E23 is priced right in there tit-for-tat with nearly all of them, so if you are buying it as an Indirect Hot Water tank, you are getting its boiler buffering feature essentially for free.
-Larry

Democracy rests upon the principle that collective wisdom arises from a pool of individual ignorance. A Republic rests squarely upon objective law, and fundamentally upon those laws which restrict the scope and actions of government.

Post Reply

Return to “Stoker Coal Boilers Using Anthracite (Hydronic and Steam)”