Multiplicity of air exchange - definition of a concept, calculation methods and value, tables for household, industrial and with a significant volume, rules for creating indoors.

The requirements for ventilation in a private house with a wall-mounted gas boiler are the need, types, principle of operation, offers for the hood, installation and installation, organization of the outflow and air flow.

Ventilation in the bathroom and in the toilet is a necessity, basic standards and requirements, types and classification, basic criteria for the selection of equipment, subtleties of installation, operating rules.

How long an air humidifier should work in a room - the need for the device, factors affecting the operating time, dependence on the time of year, features of operation in the nursery.

Humidifier on the battery - the purpose and principle of operation of the device, varieties, positive and negative sides, making the device with your own hands.

Ventilation in an apartment with plastic windows - the advantages and disadvantages of the material, the negative consequences of the lack of normal air exchange, solution options, operation in winter.

Ventilation in a private house with access to the wall - typical problems, methods of installation, a variety of equipment and calculation of indicators, installation work in different rooms, pros and cons.

How to choose an exhaust fan for the bathroom - the need, variety, rules for choosing equipment, installation features, popular models.

Ventilation in a private house with access to the roof - design accounting, materials and tools, advantages, pipe specifications, installation and protection methods.

Duct disinfection: frequency and necessity of action, types of pollution. Common mistakes and consequences, checking for the need for cleaning. Description of work in a medical institution.

Air duct for the hood in the kitchen - features and selection rules, types and characteristics, the specifics of the arrangement, the determination of the diameter and design, especially the installation and assembly of your own hands.