Let’s start from ourselves

Why do we save energy?

The answer is the only one:…..For ourselves

and indirectly?- For the Earth (greenhouse effect?)- For fulfillling UE norms and requirements(3*20)- For our countryside (Czorsztyn)- For money- For the future generations- Because of our own reasons

Energy at home and at work is consumed for:

• cooking• lighting,washing,TV, computers (electricity)• Warm water• heating• Air conditioning • The machine drive• Energy for industrial technologies

(e.g. biscuits covered with chocolate)

while cooking

- Inductive board instead of ceramic one- Pressure cooker- Boil as much water as you really need

Doyou know how many times you should pick up 1 kg of sugar for the height of 1 m to have a mug of hot tea?

Answer: about _20_ thousand times

Remember! Boil as much water as you really need!

To diminish the consumption of energy

You should use

In lighting

The bulb(wolfram)- only 15% energy is sent as the visible radiation, the rest is the heat waste

You should use

1. Halogen, mercury, glow tubes –savings from 50 to 80% of electricity

2. Switchers with sensors3. The natural light

To diminish the consumption of energy

Washing machines and fridges

You should

• Wash in the low temperatures• Use the warm water instead of the heater• Use the full capacity of the washing machine• defrost the fridge• Close the fridgeuse the washing machines and

fridges of energy saving types A

To diminish the consumption of energy

We save the running water• - Perlator (the mixture of water and air) e.g. The tap uses 10-15 dm3/min, and perlator 5-8 dm3/min- One handled tap: 25% of savings- Thermostatic tap: 50% of savings- Untouched tap: 60% of savings• Additionally:The nocturnal limits for the circulation(the clock of circulating pump): 5%Thermostatic valves: 10%Thermostatic valves + circulating pump: 15%Insulating of the pipes with the running water: 5%Water metersShaving, toothbrushing

Why does the running water have the temperature of 60 Centigrade?

Heat receiver

Pipe made of copper

The double wall made of glass

The hot steam goes up and the cool steam

condenses on the bottom of the pipe

The collector’s effectivness

Months of the year

The amount of the solar radiation

The typical set of collector for the warm water

13

2

4

6

75

8strychstrych

4-6 bar4-6 bar

in HEATING:

- Thermostatic valves (they lower the temperature about 1 Centigrade =6% less energy)

- The weather regulator- The weekly/daily regulator- Methodology of airing the flats- check the activity of ovens (heat curve)

To diminish the consumption of energy

use

Krzywa grzewcza 90/70

0

10

20

30

40

50

60

70

80

90

100

12 10 8 6 4 2 0 -2 -4 -6 -8 -10

-12

-14

-16

-18

-20

temperatura zewnętrzna

tem

per

atu

ra w

od

y g

rzew

czej

zasilanie powrót

na grzejniku w pokoju

The heat curve 90/70

Supply return

The temperature outside

The temperature of heated water

Let’s count on ourselvesif we use properly:

• Running water 10% (shaving,tooth, perlator 12 zł)

6l/day=2m3/year=1GJ/year= 50kg C=100kgCO2 • Airing 4% 4%*50GJ/year= 2GJ/year= 100 kg C= 200kgCO2

• Thermostat 6% (jumper)6%*50GJ/year= 3GJ/year = 150 kg C = 300kgCO2

• tea 0,2l/tea*10=2l/day=1GJ/year=50kgC=100kgCO2

The result: 7GJ/year=350kgC=700kgCO2

Within the year we can save…?.. If…

Go on counting

• 7GJ*50 zł = 350 zł savings, so we buy:Bulbs 10 items * 35 zł = 350 zł80W*10 items= 800W*2000h/year=1,6MWh (800 zł)

=6GJ/year6GJ*3 (electricity) = 18 GJ = 900 kgC = 1800 kgCO2PLN=800zł-350zł=450zł

1 person = 25 GJ/year = 1250 kgC = 2,5MgCO2How many people are there in the room? 100 people = 2500 GJ = 125MgC=250MgCO2=45000 PLN2500 GJ = heating of 2 schools (after insulating)

statistically

The efficiency of Polish power stations 33%

ton

Insulating of the roof 12 %

Walls 15%

Central heating – 12%

Intake ventialtors 5%

Savings altogether are about 50%

At present energy savings are 0,9 GJ/m2 (300 kWh/m2/year)

In future no more than 0,5 GJ/m2

Costs: 90.000 zł/2 = 45.000 zł

Cost: 1.000.000 zł

Thermal centre 10%

Intake ventilator

•

The relative humidity

The flow

Topics for discussion

• cogeneration

• The thermal pump

• ESCO agreements

• white, green, yellow, red certificates

• The trade with CO2 emissions

• The thermomodernisation programs

The presentation has been made for the FOCUS projectBased on the materials retrieved from MrA. JURKIEWICZ and photos taken during the trip to the nearly passive house

MARCH 2010IO