Its very important to classify ventilation systems by their functions, distribution strategies, ventilation principles - or by combinations of them all.
Classifying by Function
It is common classification to classify a ventilation systems by function:
Ventilation - Supply and evacuating of air with the main purpose to keep the atmospheric climate according the requirements
Climate - Supply and evacuating air with main purpose to keep the temperature and the atmospheric climate according requirements
Heating or cooling - Recycling system with the main purpose to supply the building with necessary heat or cooling
Combined system - The functions above more or less combined in one system
Classifying by Distribution
A ventilation systems can also be classified by distribution:
Centralized - A central plant supplies and extract air to and from the whole building
Decentralized - Each room or area of the building has it's own ventilation unit
Combined - Both centralized and decentralized systems used
Classifying by Ventilation Principle
1:-A ventilation systems can also be classified by the ventilation principle and air flow:
2:-Displacement air flow through the room
3:-Mixed air flow through the room
Examples of Ventilation Systems Classifications
Single-Zone Constant-Volume Systems
Single-Zone Constant-Volume Systems with Reheating
Multizone System
Induction Unit System
Variable-Air-Volume System
Dual-Duct System
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