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The fireplace insert was invented in 1742 by Benjamin Franklin, which he called 'The Pennsylvania Fireplace' (also known as the Franklin Stove), in the United States.He came upon the idea as a means of using coke (a smokeless fuel made by the destructive distillation of certain types of coal) and incorporated the use of an electric blower to improve efficiency.
Ventless fireplaces (duct free/room-venting fireplaces) are fueled by either gel, liquid propane, bottled gas or natural gas. [clarification needed] In the United States, some states and local counties have laws restricting these types of fireplaces. They must be properly sized to the area to be heated. [4]
Lennox Hearth Products, which was established in 1994 by Lennox International, acquired Whitfield Hearth Products, Superior Fireplace Company and Marco Manufacturing in 1998; Earth Stove and Security Chimneys in 1999; then Country Stoves in 2006.
The flue system is composed of two flues, the inner flue and the outer flue. The outer flue draws air into the bottom of the sealed firebox to allow for combustion. The inner flue draws hot exhaust gasses from the top of the sealed firebox and vents them directly to the outside of the structure through either an adjacent wall or roof.
A Franklin stove. The Franklin stove is a metal-lined fireplace named after Benjamin Franklin, who invented it in 1742. [1] It had a hollow baffle near the rear (to transfer more heat from the fire to a room's air) and relied on an "inverted siphon" to draw the fire's hot fumes around the baffle. [2]
An electric fireplace. An electric fireplace is an electric heater that mimics a fireplace burning coal, wood, or natural gas.Electric fireplaces are often placed in conventional fireplaces, which can then no longer be used for conventional fires. [1]
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