Abstract: The present disclosure provides a system and method for self-determining and verifying the operating performance of installed air ventilation systems. More particularly, the present disclosure relates to a system and method for self-determining operating parameters, such as air flow rate and/or sound levels, of an installed air ventilation system, and then verifying compliance of the determined operating parameter with operating and performance standards set by local or state authorities, or other regulatory bodies, for presentment to a user. If there is no compliance with the operating and performance standards, then the user can take remedial measures in a prompt and efficient manner. The installed air ventilation system can be a bathroom exhaust fan, or a kitchen ventilation hood installed above a cooktop or range.

Abstract: A ventilating system including a housing, a ventilating assembly and a mounting assembly coupled to the housing. The mounting assembly can include two support members, two first mounting brackets, two second mounting brackets, and two third mounting brackets. The third mounting brackets include a first and second flange, and the second mounting brackets include bendable tabs to secure the mounting assembly to a structure. The first mounting brackets each include lead in features comprising an alignment plate and a pair of guiding plates. The first mounting brackets include a portion between the lead in features that is spaced from the lead in features to provide housing clearance.

Abstract: A ventilation fan assembly suitable for installation in a ceiling or wall to provide ventilation of the adjoining space, wherein the ventilation assembly includes a fan housing and a removable flange mounting system. The flange system including at least one bracket with a receiver that removably engages an extent of the lower housing edge and a flange that extends from the receiver outward from the lower housing edge. Depending upon the positional relationship of the fan housing and the support surface(s), namely the ceiling, the flange engages an extent of a lower or upper surface of the ceiling. The bracket receiver includes at least one projection that is engages a corresponding aperture formed in the lower housing edge to removably couple the bracket to the housing. The removable flange mounting system improves the installation process and/or the sealing performance of the ventilation fan assembly.

Abstract: A damper assembly having a main body defining a continuous fluid path extending between a first opening and a second opening and a damper door rotatable within the main body to control the flow of fluid through the main body. The main body including an engagement edge extending circumferentially on an inner surface of the main body. The damper door can be rotated relative to the main body to sealingly engage an outer edge of the damper door with the engagement edge. The engagement edge of the main body can be oriented on the inner surface such that the surface area of the outer edge such that engagement of the engagement edge gradually increases as the damper door is rotated to seal the damper door to the main body.

Abstract: Embodiments of the invention provide a ventilation assembly including a scroll assembly that can include a blower assembly including a motor coupled to a blower wheel. Some embodiments include a discharge grid capable of being coupled to the scroll using a coupling pin or snap tabs. In some embodiments, the discharge grid includes a plurality of vertical and horizontal fins, and an outlet restriction. In some embodiments, at least one of the plurality of horizontal fins extends from the outlet restriction to couple with at least one vertical fin to form an aperture. In other embodiments, at least a portion of at least one of the plurality of vertical and horizontal fins includes a flared surface. Some embodiments include a scroll assembly that includes a scroll crescent. In some embodiments, a scroll including a discharge grid and scroll crescent can at least partially guide a fluid within the ventilation assembly.

Abstract: Embodiments of the invention provide a ventilation exhaust fan comprising a main housing adapted to interchangeably receive a upgrade cartridge assembly. The main housing can include a fluid inlet through which fluid is received within the main housing, and a fluid outlet through which fluid exits the main housing. The ventilation exhaust fan can be installed in a structure in place of an existing ventilation exhaust fan assembly. The main housing can provide support to a scroll and a blower wheel positioned within the scroll. A motor may be nestled within the scroll and coupled to the blower wheel. A capacitor including a motor harness and plug can be electrically coupled with the motor. Electrical power can be supplied to the capacitor and motor to cause the motor to rotate the blower wheel to generate a flow of fluid out of the fluid outlet.

Abstract: Embodiments of the invention provide a ventilation exhaust fan comprising a main housing adapted to interchangeably receive a upgrade cartridge assembly. The main housing can include a fluid inlet through which fluid is received within the main housing, and a fluid outlet through which fluid exits the main housing. The ventilation exhaust fan can be installed in a structure in place of an existing ventilation exhaust fan assembly. The main housing can provide support to a scroll and a blower wheel positioned within the scroll. A motor may be nestled within the scroll and coupled to the blower wheel. A capacitor including a motor harness and plug can be electrically coupled with the motor. Electrical power can be supplied to the capacitor and motor to cause the motor to rotate the blower wheel to generate a flow of fluid out of the fluid outlet.

Abstract: Embodiments of the invention provide a ventilation assembly comprising a main housing adapted for installation into standard 2?×4? wall or ceiling construction within a building or space. The main housing can include a fluid inlet through which fluid is received within the main housing, and a fluid outlet through which fluid exits the main housing. The ventilation assembly can be installed in place of an existing ventilation exhaust fan assembly, or can be installed in a space where no ventilation assembly has previously existed. The main housing can provide support to a blower assembly, including a scroll and a blower wheel positioned within the scroll. A motor may be nestled within the scroll and coupled to the blower wheel. Electrical power can be supplied to the motor to cause the motor to rotate the blower wheel to generate a flow of fluid out of the fluid outlet.

Abstract: Some embodiments of the invention include a ventilation apparatus including a housing assembly with at least one fluid inlet, and at least one fluid outlet, and an exhaust fan assembly coupled to the housing assembly within an inner region. The exhaust fan assembly can include a scroll positioned within and coupled to the main housing, and a blower wheel positioned within the scroll and mechanically coupled to the motor. The ventilation assembly can include a configurable mounting panel including a main panel and at least one tab, and at least one configurable flange coupled to the main panel and extending outwardly from the main panel. The configurable mounting panel can include at least one bending region with at least one aperture. The ventilation apparatus can also include a muffler including an aperture, an electrical box enclosure including a lid, and a duct connector assembly each coupled with the housing assembly.

Abstract: Embodiments of the invention provide a ventilation system comprising a housing. The housing includes an inlet through which air is received and the housing is capable of being installed within a structure. A ventilating assembly can be supported within an interior of the housing. The ventilating assembly can be operable to generate a flow of air and can be in fluid communication with the inlet. The system can include a thermal damper assembly comprising an aperture and a substantially non-metallic curtain. The damper assembly is capable of being coupled to the housing so that the aperture of the thermal damper assembly and the inlet of the housing are in fluid communication with each other. In some embodiments, the thermal damper assembly is configured and arranged to be uncoupled from the housing after the housing has been installed within the structure to provide access to the interior of the housing.

Abstract: Some embodiments of the invention include a ventilation apparatus including a housing assembly with at least one fluid inlet, and at least one fluid outlet, and an exhaust fan assembly coupled to the housing assembly within an inner region. The exhaust fan assembly can include a scroll positioned within and coupled to the main housing, and a blower wheel positioned within the scroll and mechanically coupled to the motor. The ventilation assembly can include a configurable mounting panel including a main panel and at least one tab, and at least one configurable flange coupled to the main panel and extending outwardly from the main panel. The configurable mounting panel can include at least one bending region with at least one aperture. The ventilation apparatus can also include a muffler including an aperture, an electrical box enclosure including a lid, and a duct connector assembly each coupled with the housing assembly.

Abstract: A ventilation assembly having a main housing and a removable cartridge assembly that can be positioned within the main assembly. The main housing can be mounted within an aperture in a wall or ceiling and, in certain examples, can be connected to ductwork and electrical wiring within the wall or ceiling. The cartridge assembly can include a retention feature that can be releasably engaged to the main housing to retain the cartridge assembly within the main housing. The cartridge assembly can include ventilation components such as the motor, fan wheel, capacitor, controller and various combinations thereof. The cartridge assembly can be removed from the main housing by disengaging the retention feature and replaced with a new cartridge assembly or modified elsewhere before being reinserted into the main housing, thereby permitting repairing or upgrading of the ventilation assembly without removing the main housing from the wall or ceiling.

Abstract: A damper assembly having a main body defining a continuous fluid path extending between a first opening and a second opening and a damper door rotatable within the main body to control the flow of fluid through the main body. The main body including an engagement edge extending circumferentially on an inner surface of the main body. The damper door can be rotated relative to the main body to sealingly engage an outer edge of the damper door with the engagement edge. The engagement edge of the main body can be oriented on the inner surface such that the surface area of the outer edge such that engagement of the engagement edge gradually increases as the damper door is rotated to seal the damper door to the main body.

Abstract: Embodiments of the invention provide a ventilation assembly including a scroll assembly that can include a blower assembly including a motor coupled to a blower wheel. Some embodiments include a discharge grid capable of being coupled to the scroll using a coupling pin or snap tabs. In some embodiments, the discharge grid includes a plurality of vertical and horizontal fins, and an outlet restriction. In some embodiments, at least one of the plurality of horizontal fins extends from the outlet restriction to couple with at least one vertical fin to form an aperture. In other embodiments, at least a portion of at least one of the plurality of vertical and horizontal fins includes a flared surface. Some embodiments include a scroll assembly that includes a scroll crescent. In some embodiments, a scroll including a discharge grid and scroll crescent can at least partially guide a fluid within the ventilation assembly.

Abstract: Embodiments of the invention provide a ventilation exhaust fan comprising a main housing adapted to interchangeably receive a upgrade cartridge assembly. The main housing can include a fluid inlet through which fluid is received within the main housing, and a fluid outlet through which fluid exits the main housing. The ventilation exhaust fan can be installed in a structure in place of an existing ventilation exhaust fan assembly. The main housing can provide support to a scroll and a blower wheel positioned within the scroll. A motor may be nestled within the scroll and coupled to the blower wheel. A capacitor including a motor harness and plug can be electrically coupled with the motor. Electrical power can be supplied to the capacitor and motor to cause the motor to rotate the blower wheel to generate a flow of fluid out of the fluid outlet.