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Corn Burning Boiler | Corn Burning Furnace
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In this article we'll be looking at the PB-150 Traeger/Pinnacle Pellet/Corn Boiler
and the
A-Maize-Ing LDJ series corn furnace and LDJ series corn boiler.

Heat output
The Treager multi-fuel corn/pellet boiler offers variable BTU input from 85,000
to 130,000 BTU/hour.

The LDJ series furnace offers two models, one with a maximum 100,000 BTU
rate, and one with a variable rate from 80,000 to 165,000 BTU. Obviously, the
ability to control the BTU rate is an important tool for managing heating costs.

The LDJ series corn boiler is also available in two sizes, each with BTU rates
identical to the furnace models.

Hopper capacity
Hopper capacities vary according to manufacturer. The Traeger PB-150 boiler
comes equipped with a 160 pound hopper. The hoppers for the  LDJ series
boilers and furnaces have a capacity of 784 pounds, or 14 bushels of corn.
Winter time consumption of corn is around 2 bushels per day.

Corn Boilers
When you’re shopping for a corn boiler, make sure it’s a closed system. A
closed system has many advantages over an open system.  

An open system is vented to the atmosphere and needs a constant source of
water to replace the amount lost to steam and evaporation. The oxygen in the
water of an open system facilitates the formation of rust and will cause
problems with the water jacket.

A closed system is filled one time with about 18 gallons of water and then
sealed. No oxygen means no rusty water jacket. Boilers operate at 12-15 psi
with the safety relief valve opening at 30 psi.  

The boiler normally maintains temperature between 160 and 180 degrees. This
is too hot for an in-floor hydronic system which normally operates at 90-110
degrees. But the addition of a mixing valve will bring the water temperature
down to the recommended level.

Standard features on the Traeger boiler includes a domestic hot water coil and
a hydronic water pump for in floor/under floor radiant heat.

The LDJ ASME Certified closed loop boiler can be installed in a different building
other than the one being heated.  The boiler system can be connected directly
with an existing hot water boiler or radiant floor system. The boiler may also
connect to a forced air furnace using a water to air heat exchanger.

Corn Furnaces
Corn furnaces, like conventional furnaces, are available as updraft or downdraft
units. Updraft units are used when the furnace is installed in the basement,
below the heated floors. Downdraft units are used when the furnace is installed
on the same floor as the one being heated.

Horizontal, or lowboy installations, where the furnace is laid on its side, are also
possible with corn furnaces.

Corn Furnace or Boiler Venting
Proper venting is very important to the health and safety of your family. Keep
the distance from furnace to vertical flue as short as possible. The rule of
thumb is 15 feet max.

You can use inexpensive black flue pipe between the boiler/furnace and
chimney, but in damp basements it corrodes quickly and will probably have to
be replaced every 3-4 years. A permanent but more expensive solution is
double wall stainless steel black stove pipe.

Your chimney will need a stainless steel or crack-free clay lining. Galvanized
steel or aluminum won’t work because the condensation from burning corn is
more corrosive than from gas or oil. The prices for stainless steel chimney liners
start at $450 for a 25 foot kit.

The furnace or boiler you consider should be UL listed. The boiler tank should
also be certified by the American Society of Mechanical Engineers (ASME). A UL
listed boiler or furnace should have no effect on your home owner’s insurance
policy, but check with your agent to be sure.

How Much Does A Corn Furnace Or Corn Boiler Cost?
The price of a corn furnace or boiler depends on its size measured in BTUs. The
current cost of the Traeger PB-150 corn/pellet boiler is $6,900 which includes
shipping in the continental United States.

The current prices for the LDJ boilers and furnaces are as follows:
LDJ Boiler 100,000 BTU $4,800
LDJ Boiler 80,000-165,00 BTU $6,000

LDJ Furnace 100,000 BTU $4,100
LDJ Furnace 80,000-165,00- BTU $4,900

Once you’ve decided which brand of boiler or furnace to buy, make sure it’s the
latest model available. Don't buy last year's model and pay extra for optional
equipment that might come standard with this year's model.
Alternative-Heating-Info.com
The corn burning boiler and furnace are becoming extremely popular,
especially if you live near a grain elevator where you can buy corn in bulk.

The difference between a corn furnace and corn boiler is exactly what their
names imply. The furnace provides forced air heating and the boiler is used for
radiators, baseboard heaters or hydronic (liquid) radiant in floor/under floor
heat.

Both types of systems have fuel efficiency ratings of 80-85% and can be
installed either as an add on to an existing system or as a stand alone unit.
PB-150 Traeger/Pinnacle Pellet
or Corn Boiler w/160 lb Hopper
A-Maize-Ing LDJ Corn Boiler
w/784 lb Hopper
A-Maize-Ing LDJ Corn Furnace
w/784 lb Hopper