Sound attenuator for ventilation: existing types and principle of operation, device dimensions and sound absorption. Features of use and selection rules, manual installation and manufacturing do-it-yourself.

How often should exhaust dust grilles be cleaned from dust: the design and purpose of the system, the areas of dirt formation and the frequency of the procedure. Importance of care and removal methods, cleaning equipment.

Replacing a gas tap in an apartment: varieties and selection rules, common causes and installation patterns. Solving the problem with the help of specialists and with their own hands, safety rules during work.

How the hood works: device and principle of operation, varieties, appearance and design. The main selection criteria and installation rules, advantages and disadvantages of the hood.

Chimney ceiling passage: tasks, varieties, regulatory requirements and fire safety rules. Do-it-yourself preparation and installation process.

Carbon monoxide sensor: the formation of the combustion product and its sources, the general structure and principle of operation. Classification, varieties of models and installation features, advantages and service.

Humidifier with ionizer - definition of a concept, principle of operation, varieties and characteristics. Rules for using the device, the benefits and harm of the humidifier.

How to reduce fan speed: control element, its purpose and variety. Features of the use of devices and the rules for connecting, reducing the speed of rotation and assembly by yourself.

Aspiration is a description of the process, the main types of construction, purpose and principle of operation of the installation in production. Applications, advantages and disadvantages of aspiration.

Water heater: types and specifications, operating principle and design features. Installation instructions, scope and pros and cons of use.

High-temperature fan - description of the device, purpose and tasks, operating principle, pros and cons, varieties, scope and popular models.