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ECO Living Programme
Tra ining for Energy Aud it
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ECO Living Programme
Why?
Save on Utilities b ill
Save the EarthHow?
Energy aud it
Water audit Waste aud it
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Is this Energy Aud iting?
3
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What is Energy Auditing?
U = Unhapp iness with c urrentsituation
V = Vision of what is possible
C = Conc rete steps towards vision
R = Resistanc e to c hange
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Crea ting the c ond itions for c ha
nge:
U * V * C > R
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U *V *C >R
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Energy Audit Overview
1. Understand the c lient
2. Crea te the vision
3. Conc rete steps4. Overc oming resistance
5. Commit to c hange
6. Fina l reminders
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2 waycommunication
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Step 1: Understand the c lient
Utilities b ill
Rec ord energy (& wa ter) consump tion forpast 6 months & c a lc ula te a verage
Prelim. assess. usage leve l
1. Air-c on
2. Fans
3. Refrigera tor
7ECO Living Prog ram me Energy Aud it www.eco-singapore.org
Big 2.5
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Average Monthly Elec tric ityConsumption of 4-Room Flat
Air-conditioner
30%
Refrigerator17%
Video Equipment 11%(Computer, TV & VCR players)
WaterHeater 9%
Washing 6%
(Washing machine& Iron)
KitchenAppliances 8%
Others 8%
Fans 2%Lighting 9%
Taken from SP services
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Assess usage of Air-c on
1kW
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Assess usage of Air-c on
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1kW * hours used per day = a kWh
1kW * hours used per day = b kWh
1kW * hours used per day = c kWh
Tota l da ily energy usage = a+b+c kWh
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Assess usage of Air-c on
Fac tor in lower effic ienc y if model >10 years Tota l da ily energy usage *1.3
Estimate monthly expend iture: Tota l da ily energy usage * 30 * $0.25
Note: Ac tua l energy consumption
depends on fac tors suc h as roomtempera ture, thermosta t setting , frequenc yof ma intena nc e, etc . (c an be ~40% more)
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Practise!
Unc le Tans daughter uses a ir-c on everynight about 8 hours. Son is in NS, so usesit only on weekends for about 5 hours/
day. Air-c on wa s bought in 2000
Estimate monthly expend iture
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SUM(no. hrs per unit/ day)*30*[1.3(if >10 years)]*$0.25
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Assess usage: Fans
Estima ted power offa n: 0.05kW
Tota l monthly usage:
0.05*No. fans*hoursused per day *30
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Assess usage of Refrigerator
Estimate sto rage vo lume:
Small (1.75m
high)
Estimated monthly energyconsumption:
40/ 50/ 60kWh
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Assess usage of Refrigerator
Fac tor in lower effic ienc y for o ld models
>10: Monthly energy consump tion*1.5
>15: Monthly energy consump tion*2
Estimate monthly expend iture
Monthly energy c onsump tion*$0.25
Note: Style of usage c an inc rease energyc onsumption by 40%
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Practise!
Fridge is average persons height
Bought in 1990
Estimate monthly expend iture
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ECO Living Prog ram me Energy Aud it www.eco-singapore.org
Type Estimated monthly usage (kWh)
Air-c on SUM(no. hrs per unit/
day)*30*[1.3(if older tha n 10years)
Fans 0.05*No. fans * hours/ day *30
Refrigera tor 50[*1.5 (if >10 yea rs) or *2(if >15years)]
Assess usage of Big 2.5
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Energy Audit Overview
1. Understand the c lient
2. Crea te the vision
3. Conc rete steps
4. Overc ome resistance
5. Commit to c hange
6. Fina l reminders
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Step 2. Create vision
Point out potentia l savings
100% in the c ase of Air-c on & Fan
40% in the c ase of Refrigera to r
ELP: 10% reduc tion goa l over 6 months
Free pa int-job
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& WATER
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Energy Audit Overview
1. Understand the c lient
2. Crea te the vision
3. Conc rete steps
4. Overc ome resistance
5. Commit to c hange
6. Fina l reminders
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Step 3. Conc rete steps: Airc on/ Fans
How is the wea ther in Singapore?
How to keep c oo l?
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Step 3. Conc rete steps: Airc on/ Fans
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Heat Avoidance
Passive Cooling
MechanicalCooling
(fan)
Energyusage
MechanicalCooling(air-con)
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Step 3. Conc rete steps: Airc on/ Fans
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Heat avoidancetechniques
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Step 3. Conc rete steps: Airc on/ Fans
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Passive coolingtechniques
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Step 3. Conc rete steps: Airc on/ Fans
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Use fans instead of air-con
Switch on air-con forawhile (eg. use timer),
then switch to using fans
Note: Fans cannotcool empty rooms!
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Step 3. Conc rete steps: Airc on/ Fans
If a ir-c on >10 yea rs old Buy newer, more effic ient a ir-c on
inverter right size (c onsult tec hnic ian)
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Still want to use air-con?
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Step 3. Conc rete steps: Airc on/ Fans
Set a ir-c on tempera ture to 25oC
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Still want to use air-con?
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Step 3. Conc rete steps: Airc on/ Fans
Clean filter monthly & servic e a ir-c on onc eevery 2 yea rs or if it d oesn t feel c old
Keep window s/ doors of a ir-c on roomclosed
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Still want to use air-con?
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Step 3. Conc rete steps: Fridge
Is fridge > 10 years old?
Change fridge to 4 tic ks model
without auto ic e-ma ker
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Step 3. Conc rete steps: Fridge
Ad just thermosta t in fridge (4oC)freezer(-18oC)
Ma inta in 5 c m of spac e a round
the fridge & away from d irec tsunlight
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Step 3. Conc rete steps: Fridge
Allow hot food to cool(up to 2 hours a fterpreparation)
Cover food & liquids
Minimise op eningfridge d oor
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Energy Audit Overview
1. Understand the c lient
2. Crea te the vision
3. Conc rete steps
4. Overc ome resistance
5. Commit to c hange
6. Fina l reminders
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Step 4. Overc ome resistance
Q: I a lready have saved a lot! How tosave some more?
Q: I want to save b ut my wife a lways
wants the a ir-c onQ: Save only a few dolla rs, is it worth it?
Q: Last time when I use less a ir-c on the b ill
d idn t dec rea seQ: It w ill be very expensive to buy a newfridge
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Energy Audit Overview
1. Understand the c lient
2. Crea te the vision
3. Conc rete steps
4. Overc ome resistance
5. Commit to c hange
6. Fina l reminders
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Step 5. Commit to change
Write d own 6-month target for red uc tionin energy usage
Write d own ac tion pledge on c a rd
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Buy new 4-tick air conReduce frequency &duration of opening fridge
Reduce energy usage by10% to ___kWh by October &November 2011
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Energy Audit Overview
1. Understand the c lient
2. Crea te the vision
3. Conc rete steps
4. Overc ome resistance
5. Commit to c hange
6. Final reminders
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Step 6. Fina l reminders
Remind resident read ing is done every 2 months
Utilities b ill a lso fluc tua tes from month to
month Next visit on 21st May water
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QUICK RECAP
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Approach
Greet
Introd uce yourself (with the RC)
Req uest a bout 15-20mins of the ir time
Run thru what is go ing to happen
Start ac tual audit Look at ut ility b ills & fill out resident info
Assess usage & c rea te the vision
Conc rete steps
Commit to change Fina l rem inders
Give starbuc ks vouc her & reminder med a l
Thank them
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Role p lay!
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Other things to take note
Don t enter homes
Language issues c a ll Yi Han(91700320)
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Map
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CommunityHall
Serangoon MRT
exit D
9.15amSaturday
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More info
http://www.e2singapore.gov.sg/energy-saving-tips.html
http://www.daikin.com/global_ac/prod
ucts/residential/dcinv/outline.html
http:/ / mic haelb luejay.c om/ elec tric ity/
http://www.e2singapore.gov.sg/energy-saving-tips.htmlhttp://www.e2singapore.gov.sg/energy-saving-tips.htmlhttp://www.daikin.com/global_ac/products/residential/dcinv/outline.htmlhttp://www.daikin.com/global_ac/products/residential/dcinv/outline.htmlhttp://www.daikin.com/global_ac/products/residential/dcinv/outline.htmlhttp://www.daikin.com/global_ac/products/residential/dcinv/outline.htmlhttp://www.e2singapore.gov.sg/energy-saving-tips.htmlhttp://www.e2singapore.gov.sg/energy-saving-tips.html