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Energy King
Jensen Furnaces



651 Route 165 Preston, CT 06365

Tel. 860.886.1484

Click for the BBB Business Review of this Stoves - Wood, Coal in Preston CT

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ENERGY KING Model 385EK Wood/Coal Furnace Energy King Furnaces.

Energy King makes heavy duty wood / coal warm air furnaces that meet the tough demands of cold winters!  Many people install them in a 'tandem' arrangement with their existing oil furnace!

Furnaces and Boilers:

'Solid fuel' furnaces and boilers are wood-burners, or if design permits - coal and/or wood burners.   'Multi-fuel' refers to a solid fuel unit with an oil or gas burning system integrated into it.

Some products can burn pelletized fuel but those that do are engineered for that purpose and most solid fuel appliances will not burn pellets.

Furnaces and boilers are designed to produce heat in one location, and through ducts and grills (warm air) or pipes, baseboard radiators or cast iron radiators (hot water), distribute the heat throughout the home.

For these reasons, furnace / boiler installations must be planned with care and cost of installations are usually significantly more than the cost to install 'space heaters' such as a woodstove or gas burning stove.  

Using furnaces and boilers and associated heat distribution systems is called 'central heating'.  Central heating with solid fuels became less popular when fuel oil prices dropped, in the mid to late 90's.  With the resurgence of higher fuel oil costs, interest is growing again.

Many advances and improvements have been made over the years.   Furnaces are being constructed with more serviceable parts and more stainless steel is used in some units.  Boiler designs have advanced to the point where gasification technology dominates the multi-fuel boiler category.

In gasification, the oxygen required to fire the fuel is controlled and the wood is 'baked' to convert it to burnable gas.  When heat is called for, a fan starts and pulls the heated gases off the wood and sends it through very hot ceramic tunnels.  Here the gases burn in a very high temperature environment and they burn almost completely.  Little residue (creosote) remains compared to conventional designs.  When heat is not called for, the fan shuts off, oxygen is deprived, and the unit goes 'dormant', waiting for the next cycle.  The efficiencies are much higher than conventional technologies, but so are the prices.  Given the prospects for higher fuel oil prices, the future looks brighter for gasification.

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Last modified: April 16, 2014