Centralized and decentralized ventilation systems both have their advantages and are chosen depending on the building's size, usage, and energy efficiency.
Centralized mechanical ventilation with heat recovery (MVHR)
In centrally placed ventilation system one air handling unit serves supply and extract air for multiple apartments via a duct network. The heat recovery exchanger transfers energy from exhaust air to incoming fresh air. System can consist of one air handling unit covering all the apartments in a building or several units each serving several apartments in the same floor/corridor.
Advantages
To consider
Read more:
CENTRAL SYSTEMS
In apartment placed ventilation system each apartment has it's own individual air handling unit.
Centrally placed apartment specific ventilation
Disadvantages
Wall placed ventilation without ducts
Wall mounted heat recovery ventilation without incoming air ducts is ideal for renovation.
Exhaust only
A complete system for ventilation, heating and cooling
in multiapartment buildings
