Clean face air circulating fireplace

A fireplace for a room to be heated comprising:

• a combustion chamber whereat fuel is combusted and products of combustion are created, said combustion chamber comprising an opening through which combustion air is introduced, said combustion chamber further comprising a floor;
• a flue positioned for exhausting the products of combustion from said combustion chamber;
• a housing comprising a front panel including a frontal surface facing toward the room, said front panel having a combustion chamber access opening;
• a transparent door positioned within said front panel access opening, and openable to access said combustion chamber;
• a duct manifold including a plurality of horizontally aligned openings through which room air passes during heat exchanging circulation, said plurality of duct manifold openings including a first room air intake opening and a second room air discharge opening, said duct manifold openings disposed in said front panel access opening, said first air intake opening being generally centrally disposed along the length of said duct manifold, said second air discharge opening being laterally disposed of said first opening;
• a heat exchanger positioned beneath said combustion chamber floor, said heat exchanger including at least one fan for circulating air therethrough;
• a first duct providing flow communication between the inlet of said heat exchanger and said duct manifold first opening for the introduction of air from the room being heated, said first duct comprising an interior chamber of said duct manifold rearwardly of said first opening, said first duct being downwardly bounded by a divider flange laterally extending below said first opening;
• and
• a second duct providing flow communication between an outlet of said heat exchanger and said duct manifold second opening to exhaust warmed room air to the room being heated, said second duct being disposed generally beneath said first duct and being upwardly bounded by said divider flange, rearwardly bounded by a rear flange, and laterally bounded by a side flange spaced from a lateral edge of said divider flange, said second duct further comprising an interior chamber of said duct manifold rearwardly of said second opening, said heat exchanger comprising an interior compartment positioned rearwardly of said second duct and in communication with said second duct through apertures in said rear flange;
• whereby during fireplace operation said fan circulates room air in a flow path from the room being heated into said duct manifold first opening, through said first duct, through said heat exchanger, through said second duct, and out through said duct manifold second opening.

A fireplace for a room to be heated comprising:

• a combustion chamber whereat fuel is combusted and products of combustion are created, said combustion chamber comprising an opening through which combustion air is introduced, said combustion chamber further comprising a floor, said combustion chamber floor comprising a hearth pan and a raiseable hearth overlaying said hearth pan;
• a flue positioned for exhausting the products of combustion from said combustion chamber;
• a housing comprising a front panel including a front surface facing toward the room, said front panel having a combustion chamber access opening;
• a transparent door positioned within said front panel access opening and openable to access a combustion chamber;
• a duct manifold including a plurality of horizontally aligned openings through which warm air passes during heat exchanging circulation, said plurality of duct manifold openings including a first room air intake opening and a second room air discharge opening, said duct manifold openings disposed in said front panel access opening;
• a heat exchanger positioned beneath said combustion chamber floor, said heat exchanger including at least one fan for circulating air therethrough, said hearth pan comprising a service opening located over said heat exchanger allowing access to said fan;
• a first duct providing flow communication between an inlet of said heat exchanger and said duct manifold first opening for the introduction of air from the room being heated;
• and
• a second duct providing flow communication between an outlet of said heat exchanger and said duct manifold second opening to exhaust warmed room air to the room being heated;
• whereby during fireplace operation said fan circulates room air in a flow path from the room being heated into said duct manifold first opening, through said first duct, through said heat exchanger, through said second duct, and out through said duct manifold second opening.

A fireplace for a room to be heated comprising:

• a combustion chamber whereat fuel is combusted and products of combustion are created, said combustion chamber comprising an opening through which combustion air is introduced, said combustion chamber further comprising a floor;
• a flue positioned for exhausting the products of combustion from said combustion chamber;
• a housing comprising a front panel including a frontal surface facing toward the room, said front panel having a combustion chamber access opening, said housing comprising a bottom wall disposed in spaced apart relationship with said combustion chamber floor to form a lower plenum therebetween;
• a transparent door positioned within said front panel access opening and openable to access said combustion chamber;
• a duct manifold including a plurality of horizontally aligned openings through which air passes during heat exchanging circulation, said plurality of duct manifold openings including a first room air intake opening and a second room air discharge opening, said duct manifold openings disposed in said front panel access opening;
• a heat exchanger positioned beneath said combustion chamber floor, said heat exchanger including at least one fan for circulating air therethrough;
• a first duct providing flow communication between an inlet of said heat exchanger and said duct manifold first opening for the introduction of room air from the room being heated;
• a second duct providing flow communication between an outlet of said heat exchanger and said duct manifold second opening to exhaust warmed room air to the room being heated;
• and
• means for exhausting air within said lower plenum externally of said fireplace, said plurality of duct manifold openings including a third opening in communication with said lower plenum to permit introduction of room air to said lower plenum;
• whereby during fireplace operation said fan circulates room air in a flow path from the room being heated into said duct manifold first opening, through said first duct, through said heat exchanger, through said second duct, and out through said duct manifold second opening.

A fireplace for a room to be heated comprising:

• a combustion chamber whereat fuel is combusted and products of combustion are created, said combustion chamber comprising an opening through which combustion air is introduced, said combustion chamber further comprising a floor;
• a flue positioned for exhausting the products of combustion from said combustion chamber;
• a housing comprising a front panel including a frontal surface facing toward the room, said front panel having a combustion chamber access opening;
• a transparent door positioned within said front panel access opening and openable to access said combustion chamber;
• a heat exchanger positioned beneath said combustion chamber floor, said heat exchanger including at least one fan for circulating air therethrough;
• duct means for introducing room air into said heat exchanger, said room air introducing duct means comprising at least one inlet opening;
• duct means for exhausting warmed room air from said heat exchanger into the room, said warmed room air exhausting duct means comprising at least one outlet opening;
• wherein said at least one inlet opening and said at least one outlet opening are horizontally aligned and positioned above a bottom edge of said front panel opening.

A fireplace for a room to be heated comprising:

• a combustion chamber whereat fuel is combusted and products of combustion are created, said combustion chamber comprising an opening through which combustion air is introduced, said combustion chamber further comprising a floor;
• a flue positioned for exhausting the products of combustion from said combustion chamber;
• a housing comprising a front panel including a frontal surface facing toward the room, said front panel having a combustion chamber access opening, said housing comprising a bottom wall disposed in spaced apart relationship with said combustion chamber floor to form a lower plenum therebetween;
• a transparent door positioned in said front panel access door and openable to access said combustion chamber;
• a heat exchanger positioned beneath said combustion chamber floor, said heat exchanger including at least one fan for circulating air therethrough;
• duct means for introducing room air into said heat exchanger, said room air introducing duct means comprising at least one inlet opening;
• duct means for exhausting warmed room air from said heat exchanger into the room, said warmed air exhausting duct means comprising at least one outlet opening;
• and
• means for exhausting air within said lower plenum externally of said fireplace, a room air inlet opening for said lower plenum being horizontally aligned with said at least one inlet opening and said at least one outlet opening and positioned above a bottom edge of said front panel opening;
• wherein said at least one inlet opening and said at least one outlet opening are horizontally aligned and positioned above a bottom edge of said front panel opening.

A fireplace for combusting fuel comprising:

• a combustion chamber whereat the fuel is combusted and products of combustion are created, said combustion chamber comprising an opening through which combustion air is introduced, said combustion chamber further comprising a floor, wherein at least a portion of said floor is raiseable;
• a flue positioned for exhausting the products of combustion from said combustion chamber;
• a grate for supporting the fuel;
• and
• at least one connector connecting said grate and said raiseable floor portion such that application of an upward force to said grate raises said raiseable floor portion.