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HVAC System - Coggle Diagram
HVAC System
SYSTEM SELECTION
Depends on
The owner desire
The building configuration
The climate conditions
Essential criterias to be considered
Spatial requirements
Climate change (temperature, humidity, etc)
Building capacity
Cost
Life cycle analysis
Reliability and flexibility
Life span
IAQ
Cooling and heating
Temperature and relative humidity control
Energy efficiency
Ability to zoning
Aesthetics
Constraints
The available capacity according to standards
Building configuration
Available space
Construction budget
The available utility source
Heating and cooling loads of the building
Requirements
Primary Equipment
Heating equipment
Cooling equipment
Air delivery equipment
Space Requirements
Equipment rooms
HVAC facilities
Fan rooms
Vertical shift
Equipment access
Air Distribution
Terminal units
Ductwork
Piping
System piping
Delivery piping
Central HVAC System
Local HVAC System
local heating system
local cooling system
local ventilation system
local air-conditioning (AC) system
window AC
unitary AC
packaged rooftop AC
split system
FUNDAMENTAL
Designing Process
Equipment Selection
AHU
VAV Boxes
Fans
Chilled Beams
Diffusers
Pump
Heat Exchangers
System and Equipment Layout and Preliminary Spatial Coordination
Mechanical Room Sizes
Roof Equipment
Layout
Shaft Layout
Ductwork Distribution System
Pipe Routing
System Selection
Centralized vs. Decentralized
Mechanical Cooling vs. Natural Ventilation
VAV vs. Constant Air Volume
Air Cooled vs. Water Cooled
Detailed Design
Detailed product Coordination
Control System Design
Support Details
Perform Cooling/Heating Load Calculation
Why is it Important to understand HVAC Systems as a Building Construction Professional?
can cost from 10% to 25% of the total construction budget
take up more space than other products
essential requirements for certain type of buildings (laboratories, Hospital, Data Centers, etc.)
will impact the long term operating cost of a building
essential Element of Rating systems (LEED & BREEAM)
Definition
an Environmental Controls System (control of temperature, humidity, and air flow & distribution of a space)
Consideration
Energy efficiency
Indoor environmental quality
Building systems operations and maintenance