1. Natural ventilation
GROUP MEMBERS :
Muhammad Syarifuddin Abd Ghafar
Mohd Fakhru ‘Izzat b. Azit
Kamarul Aiman b. Abdullah
Nurafida bt Mohd Ali
Sharifah Rashidah bt Syed Salim
Siti Masyitah bt Mohd Kassim
Nur Aqilah bt Ibrahim

2. Ventilation

3. What is natural
ventilation?
s
roces
the p
of two
g
su pplyin types:
and wind d
g riven
re movin h ventila
g tion
air throu and st
r
ndoo
ack
an i y
ventila
tion
sp ace b
l
natura
m eans

4. Wind driven

7. Stack effect

11. Advantages

12. Disadvantages

13. Comparison
MECHANICAL NATURAL
Use fan Not use any fan
Need to be install Ready fix to building
Allow warmer air escape faster Depend on weather
High cost More economic
High maintenance No maintenance
Create air all time Same in temperature
Noise Silent
High electricity bill No electricity bill

15. Conclusion