A construction thermoacoustic partition to isolate areas from external or internal environments, refrigeration, and vehicles. The partition consists of a frame with airtightly glued insulating panels, transparent or not. If glass pane, frame, and panels are glued, they create an airtight chamber where pressure, light and solar tracking sensors are located. In its internal perimeter it has photovoltaic cells and a blind whose sheets are photovoltaic cells that make it self-sufficient in energy. The profile of the frame has channels to circulate air, where electric resistance is located, which in winter raises the temperature of the panel edges, in another, fans, temperature sensors, micro-pump, wires and reinforcements are located. The horizontal planes that create these channels have coextruded thermoacoustic bridges. It has a microprocessor with automatic or digitally modified instructions, with voice and remotely, so that components act in real time, depending to changes in the environment, which can be with Artificial Intelligence.

A protective window system for non-military heavy equipment including: at least two window panes with at least one air gap therebetween wherein the thickness of each window pane and the size of the air gap is determined such that the window system meets or exceeds UL/ANSI 752 level 1 testing. In particular, the panes may be of polycarbonate, formed with a curved shape and between 5 and 30 mm thick. The air gap may be between at least two of the at least two window panes that is between 5 and 50 mm thick. The window system may include a channel for transporting conditioned air and a vent for allowing the conditioned air to enter the air gap; and a hinge mechanism for allowing at least one of the at least two window panes to move in relation to another of the at least two window panes.

A ventilator door brings fresh outside air into a structure through an outside opening and a fan or blower pulls outside air into a duct in the door. The air flows through the duct and into the structure through an inside grill remote from the outside opening. Heat is transferred from the flow of air to a heat sink disposed in the duct to cool the fresh air flowing into the duct. A regenerative heat sink may be used to capture heat from a flow of air from inside the structure and transfer the captured heat to a flow of outside air flowing into the structure. An inside opening in the door generally opposite to the outside opening. The air flow through the openings is controlled by movable panels by aligning or by misaligning openings in the movable panels with the openings in the outside and inside panels. A microprocessor controls the movable panels and the fan or blower in response to sensors inside and outside of the door.

A window system for an enclosure subjected to a change in air pressure, the enclosure having a window having an air-filled cavity, the system including a first path configured to allow air within the cavity of the window to vent out of the cavity, a second path configured to allow air to flow into the cavity, and a drying agent disposed within the second path, where moisture in the air entering the window cavity through the second path is reduced by the drying agent.

A hollow core door for preventing pressure build up in a room having a forced air system includes an outer stile and rail frame, an inside skin having an opening secured to the outer frame, an outer skin having an opening secured to the outer frame, and a core assembly, which may be prefabricated, including a core assembly frame, a center panel disposed within the core assembly frame, openings extending through the center panel adjacent to the core assembly frame, spacers adjacent to the core frame to space the core assembly apart from the inside and outside skins, and the core assembly is disposed within the outer frame, whereby air flows through the opening in the inside skin, along the center panel, through the openings in the center panel, along the center panel and outwardly through the opening in the outside skin in a non-linear manner to prevent pressure build up in a room in which the door is installed to comply with the Department of Energy maximum recommended pressure of three pascals or less. Different types of spacers are disclosed. A method for making the hollow core door is disclosed.

A ventilation device for ventilating a room in a building, the building having a window with at least two essentially parallel panes of glass, the at least two panes of glass being arranged in a common frame, casement or sash, thus forming the window, e.g., a double window, where the at least two panes of glass are arranged with a distance, and thus appear with an air space between the panes of glass, the window further having an intake opening communicating with the air space and with either the interior or the exterior of the building, where the ventilation device further has a preheating unit with a first chassis and a first throttle, where the first chassis has a first opening communicating with the interior of the building, a second opening communicating with the exterior of the building and a third opening communicating with the air space.

Provided is an intake-exhaust unit that easily controls the flow of air in an intermediate cavity of a double skin structure window glass, and a double skin system using the same. The intake-exhaust unit is comprised of: a first distribution port of passage of the air; a second distribution port of passage of the air, the second distribution port being separated from the first distribution port; a third distribution port of passage of the air, the third distribution port being separated from the first distribution port and the second distribution port; a fan for sending out the sucked air; a negative-pressure passage provided on the air-sucking side of the fan, the negative-pressure passage having intake holes that communicates with the first, the second, and the third distribution ports; and a positive-pressure passage provided on the air exhausting side of the fan, the positive-pressure passage having an exhaust hole that communicates with the first, the second, and the third distribution ports, wherein the air is sucked from any of the first, the second, and the third distribution ports; and the air is exhausted from any of the distribution port other than the port in use for sucking the air among the first, the second, and the third distribution ports.

Various embodiments herein relate to methods, structures, tools, installation systems, etc. for retrofitting a new electrochromic window in a pre-existing window recess. In many cases, the new electrochromic window is installed parallel to a lite of a pre-existing window, with the resulting structure including the new electrochromic window, the pre-existing window, and a pocket that forms between them. Installation of a new electrochromic window in tandem with a pre-existing window results in many benefits including improved insulation (e.g., due to the presence of the additional air pocket(s) and lite(s)), improved climate control (e.g., due to the ability to control the amount of sunlight entering the building via the electrochromic window), and enhanced aesthetics.

A main support frame is formed from sections of a plastic extrusion and has opposite side portions with peripheral recesses receiving an inner sash unit and outer sash unit each having a frame formed from sections of a plastic extrusion and supporting an insulated glass unit. Hinges support the dual sash units for pivotal movement between open and closed positions, and gear connected telescopic link members connect the main frame to the sash frames for simultaneous movement. A lock system includes a handle on the inner sash unit for moving straps with studs on the sash frames through a connector mechanism mounted on the main frame for simultaneously locking and releasing both sash units and for releasing only the inner sash unit. A screen and/or mini-blind can be supported between the sash units, and the window system with dual sash units may be constructed in various forms.

A hollow core door apparatus for preventing the build up of pressure in a room includes an inside door skin and an outside door skin, and the door skins include openings through which air flows. A center panel is disposed between and spaced apart from the skins. The center panel has an outer perimeter defined by notches through which air flows. Tabs between the notches are used to secure the center panel to the inside and outside door skins. Air flow from the room is through the opening in the inside skin, around the outer perimeter of the panel, and outwardly from the door and room through the outside skin in a non-linear manner. Air flow is controlled by a plurality of movable panels disposed adjacent to the outer perimeter of the center panel. Sensor elements for sensing desired information and for providing output signals, including signals for actuating the movable panels, are included.