We study the types and purpose of air control devices: check valves and smoke exhaust valves, as well as various filters for ventilation.

We consider ventilation grilles: views at the installation site, manufacturing materials and the difference between them, tips on how to choose the grille.

We make recuperators for supply and exhaust ventilation with our own hands: plate, tubular, efficiency, manufacturing tips with photos and videos.

We install the ventilation valve on a plastic window with our own hands: the principle of operation, system efficiency, valve-handle, description of installation, video.

We study the check valve for ventilation: purpose, types, design, selection tips and how to make a check valve with your own hands from improvised materials.

We select round ventilation elements: plastic ducts, flexible ducts, grilles, umbrellas, bends and transitions.

We study ventilation valves to improve air exchange: installation, management, operation in winter.

We select and install ventilation outlets to avoid moisture accumulation under the roof. We consider various roofing material: metal, corrugated board.

We analyze the layout and design of automatic ventilation control cabinets: purpose, standard and advanced functions, placement rules.

We analyze the types and functions of the ventilation tape for the roof: ridge, perforated. And also manufacturing materials: aluminum, steel, PVC.

We study ventilation plugs and silencers: purpose, types, manufacture and installation. We consider solutions for baths and saunas.