1. Clean Energy
Energy Efficient Building
Embracing Energy Audit
New
Challenges
Energy Conservation

2. Present IAQ Objectives
8-hour average on 4 samples
Parameter Unit
1 Excellent Class Good Class
Room Temperature oC 20 to 25.5 < 25.5
FACTORS
COMFORT
Relative Humidity % 40 to 70 < 70
Air Movement m/s < 0.2 < 0.3
2
POLLUTANTS
AVOIDABLE
Respirable Suspended
μg/m3 < 20 < 180
Particulates (PM10)
Radon (Rn) Bq/m3 < 150 < 200
Airborne Bacteria cfu/m3 < 500 < 1,000

3. Proposed IAQ Objectives
1-hour TWA based on
Parameter Unit IAQ Profile
1 Excellent Class Good Class
Room Temperature oC 22 to 25 20 to 25
FACTORS
COMFORT
Relative Humidity % 40 to 65 < 70
Air Movement m/s < 0.2 < 0.3
2 Respirable Suspended
counts To be decided
Particulates (PM2.5/PM1)
POLLUTANTS
AVOIDABLE
Radon (Rn) Bq/m3 < 200
Microbial To be decided

7. PM size
45th Floor 26th Floor
Without e-filter With e-filter
Remark: RSP measurement was taken September 2, 2008.

10. Present IAQ Objectives
8-hour average on 4 samples
Parameter Unit
Excellent Class Good Class
3 Carbon Dioxide (CO2) ppmv < 800 < 1,000
μg/m3 < 2,000 < 10,000
GASEOUS POLLUTANTS
Carbon Monoxide (CO)
ppmv < 1.7 < 8.7
μg/m3 < 40 < 150
Nitrogen Dioxide (NO2)
ppbv < 21 < 80
μg/m3 < 50 < 120
Ozone (O3)
ppbv < 25 < 61
μg/m3 < 30 < 100
Formaldehyde (HCHO)
ppbv < 24 < 81
Total Volatile (TVOC) μg/m3 < 200 < 600
Organic Compounds ppbv < 87 < 261

11. Proposed IAQ Objectives
1-hour TWA based on
Parameter Unit IAQ Profile
3 Excellent Class Good Class
GASEOUS POLLUTANTS
Carbon Dioxide (CO2) ppm(v/v) < 800 < 1,000
Carbon Monoxide (CO) ppm(v/v) < 2.0 < 10
Nitrogen Dioxide (NO2) ppb(v/v) < 20 < 80
Ozone (O3) ppb(v/v) < 25 < 60
Formaldehyde (HCHO) ppb(v/v) < 30 < 100
Total Volatile (TVOC)
ppb(v/v) < 100 <250&500
Organic Compounds

12. Case study 1: A General Office
B
Size: 10,000 ft 2
Occupancy: >100

13. Comparison of two IAQ(5P, 48H) Profiles taken at Sampling Points A & B

14. Comparison of two IAQ(5P, 48H) Profiles taken at Sampling Points A & B

15. Comparison of two IAQ(5P, 48H) Profiles taken at Sampling Points A & B

16. 4/F
3/F
2/F

24. 大 學 之 道 - The moral of learning is
在 明 明 德 - in differentiating the rights from the
wrongs,
- in making progress - simplification
- standardization
- implementation
- integration
- globalization
and
在止於至善 - in the pursuit of excellence.