Embodiments are described for a portable range hood system. The portable range hood system can include a replaceable filter and is not connected to a duct. Alternatively, the portable range hood system can be coupled to a duct. The range hood system includes a support frame structure with wheels to make the system portable and capable of being moved to any desired spot. The range hood system includes an exhaust fan and range hood, as well as a filter container housing a filter to filter out any steam, heat, odors, and smoke, including cigarette smoke. The portable range hood system can include a lighting system and plantar box for planting plants, herbs, flowers, or anything that can grow. The portable range hood system can be moved to any location in one's home or business to filter out contaminants and cleanse the surrounding air.

Embodiments are described for a portable range hood system. The portable range hood system can include a replaceable filter and is not connected to a duct. Alternatively, the portable range hood system can be coupled to a duct. The range hood system includes a support frame structure with wheels to make the system portable and capable of being moved to any desired spot. The range hood system includes an exhaust fan and range hood, as well as a filter container housing a filter to filter out any steam, heat, odors, and smoke, including cigarette smoke. The portable range hood system can include a lighting system and plantar box for planting plants, herbs, flowers, or anything that can grow. The portable range hood system can be moved to any location in one's home or business to filter out contaminants and cleanse the surrounding air.

Embodiments are described for a portable range hood system. The portable range hood system can include a replaceable filter and is not connected to a duct. Alternatively, the portable range hood system can be coupled to a duct. The range hood system includes a support frame structure with wheels to make the system portable and capable of being moved to any desired spot. The range hood system includes an exhaust fan and range hood, as well as a filter container housing a filter to filter out any steam, heat, odors, and smoke, including cigarette smoke. The portable range hood system can include a lighting system and plantar box for planting plants, herbs, flowers, or anything that can grow. The portable range hood system can be moved to any location in one's home or business to filter out contaminants and cleanse the surrounding air.

An example mobile kiln system includes a mobile platform. A frame is mounted to the mobile platform. At least one kiln is rotatably mounted to the frame. The kiln is movable between a first operational position for loading a feed material into the at least one kiln, and a second operational position for unloading a biochar product from the at least one kiln following processing of the feed material. In an example, the mobile kiln system includes at least one stack assembly for the kiln. The stack assembly has a lid to cover the kiln to retain heat and a chimney to release emissions from the kiln during processing of the feed material.

An example mobile kiln system includes a mobile platform. A frame is mounted to the mobile platform. At least one kiln is rotatably mounted to the frame. The kiln is movable between a first operational position for loading a feed material into the at least one kiln, and a second operational position for unloading a biochar product from the at least one kiln following processing of the feed material. In an example, the mobile kiln system includes at least one stack assembly for the kiln. The stack assembly has a lid to cover the kiln to retain heat and a chimney to release emissions from the kiln during processing of the feed material.

An apparatus includes a heat exchange member at least partially defining a passageway, and structure defining a first plurality of holes and a second plurality of holes. The first and second pluralities of holes provide fluid communication from the passageway to the exterior of the apparatus, i.e., to the atmosphere. A blower is operatively connected to the heat exchange member and configured to blow air into the passageway. The apparatus is configured such that, when the heat exchange member is sufficiently positioned with respect to a campfire, air exiting the first plurality of holes is directed downward and away from the campfire and air exiting the second plurality of holes has an upward velocity component.

An apparatus includes a heat exchange member at least partially defining a passageway, and structure defining a first plurality of holes and a second plurality of holes. The first and second pluralities of holes provide fluid communication from the passageway to the exterior of the apparatus, i.e., to the atmosphere. A blower is operatively connected to the heat exchange member and configured to blow air into the passageway. The apparatus is configured such that, when the heat exchange member is sufficiently positioned with respect to a campfire, air exiting the first plurality of holes is directed downward and away from the campfire and air exiting the second plurality of holes has an upward velocity component.

Technologies are described for vent extension systems. The systems may comprise a first extension attached to an intake vent, a second extension attached to an exhaust vent, and a third extension attached to an alternator vent of a generator housing. The first and second extensions may include a first upper section including a first and second end and a bend; and a first lower section including a first and second end and a bend. The first end of the first lower section may be configured to connect to the second end of the first upper section. The third extension may include a second upper section including a first and second end and a bend; and a second lower section including a first and second end and a bend. The first end of the second lower section may be configured to connect to the second end of the second upper section.

Technologies are described for vent extension systems. The systems may comprise a first extension attached to an intake vent, a second extension attached to an exhaust vent, and a third extension attached to an alternator vent of a generator housing. The first and second extensions may include a first upper section including a first and second end and a bend; and a first lower section including a first and second end and a bend. The first end of the first lower section may be configured to connect to the second end of the first upper section. The third extension may include a second upper section including a first and second end and a bend; and a second lower section including a first and second end and a bend. The first end of the second lower section may be configured to connect to the second end of the second upper section.

A portable chimney system includes a trailer having an opening extending into an interior of the trailer. A door is hingedly coupled to the trailer and the door is positionable in a closed position. An awning is removably coupled to the trailer. The awning is selectively positioned on the rear side such that the awning surrounds the opening. The door abuts the awning when the door is positioned in the closed position. A chimney is removably coupled to the awning. The chimney may be fluidly coupled to a stove is positioned within the trailer thereby facilitating the chimney to direct combustion gases outwardly from the trailer.