2013

Energy saving solution Payback time!

Calculations show you how fast your investment will be repaid by energy saving

6 cases With payback time

Energy saving solution Data gathering

Name of the building owner

( e.g. Building Society name )

Address Name of person

responsible for project

Building datayear of

construction type of

technology number of

Type of heat source

( e.g. central district heating ,

local boiler station )

Details about substation

( type of wheatear compensators, anther details )

Picture of building

1995 1996 1997 1998 1999 2000 2005 2006 2007 2008

1995 1996 1997 1998 1999 2000 2005 2006 2007 2008

instalation cost

unit prices TRV Balancing Valves Zuzycie energii w KW na cele ciepłej wodyDN 15 Moc zamówiona w MW na cele ciepłej wody DN20DN25 Całkowite zuzycie w GJ ( cwu + co ) DN32 Całkowita moc w MW ( cwu + co ) DN40DN50

Zużcie ciepłej wody w m3

Calculation : pay back time

Energy used in GJ for DHW

additioal costs

total cost

Energy consumption

Energy used in GJ for heating Energu used in KW for heating Power order in MW for heating

stocktaking prices design prices ( recalculation ) investment prices products

Reference data for Energy Saving Brochure data

Risers profile

Prices for 1 MW ordered power for hot water per month in local current Prices per 1 m2 for heating if occupants are charge by surface Calculated total heat power for building for heating in KW ……………….

Avarage yearly outdoor temperatureInformation about instalation : heating and hot water

Unit energy prices

Data about building : number of stories .........................surface on the building in m2 ………………Building cubature in m3 ……………number of flats ( apartments ) ……………………..number of occupants ……….Contact person from Danfoss side :

1 GJ - energy prices for heating in local current Prices for 1 MW ordered power for heating per month in local current Price for heat 1m3 hot water in local currency

number of risers DN 40 mm

number of radiators number of risers in heating system number of risers DN 15 mm

Profile of heating systems Profile of hot water systems

Calculated total power for hot water system in KW ……………….

number of risers DN 50 mm

number of TRV's DN 10mmnumber of TRV's DN 15mmnumber of TRV's DN 20 mm

number of hot water circulation risersMTCV - DN 15 MTCV - DN 20

number of risers DN 20 mm number of risers DN 25 mm number of risers DN 32 mm

Information about thermo-modernisation program

Main data about building

Energy prices

System futures Modernization

Energy consumption!!!

Optional footer text Division, SBA or department name 28 februari 2013 | 3 Hydronic Balancing & Control 6 October 2011 l 3 Hydronic Balancing & Control 28 February, 2013 l 3

Evaluation of figures Data collection in a table

Year Energy usage

(heating) [GJ]

Corrected energy usage

to 2,4°C

Saving in % compared to

1995

Saving in % due to automatic balancing valve copm. to 1999

Extra saving in % due to ABV in risers (2002)

Average outdoor

temp. [°C] Action

1995 2084 2,4

1996 2006 1945 6,7% 2,1 TRV, HCA installation

1997 1741 1878 9,9% 3,1

1998 1760 1837 11,9% 2,8

1999 1537 1757 15,7% 3,6

2000 1505 2247 -7,8% 5,57 ∆p contr. in substation

2001 1167 1347 35,4% 23,3% 3,68

2002 1161 1348 35,3% 23,3% 3,73 ∆p contr. in risers

2003 1275 1259 39,6% 28,3% 6,6% 2,28

2004 1068 1240 40,5% 29,4% 8,0% 3,73

2005 978 1126 46,0% 35,9% 16,5% 3,66 Substation separation

2006 960 945 54,6% 46,2% 2,25

2007 676 980 53,0% 44,2% 5,38

2008 853 1248 40,1% 28,9% 5,44

Optional footer text Division, SBA or department name 28 februari 2013 | 4 Hydronic Balancing & Control 28 February, 2013 l 4

Calculation method: based on basic temperature (this temperature is that

yearly average outdoor temperature when the internal temperature will not go bellow ~20°C due to internal/external heat sources)

it is around 12°C at traditionally insulated block of flat (panel buildings)

Compensated energy usage:

avrageyearly

correctedyearlydcompensate t

tQQ_12

12−−

•=

Evaluation of figures Compensation to certain outdoor temperature

Optional footer text Division, SBA or department name 28 februari 2013 | 5

Year

Energy usage

(heating) [GJ]

Corrected energy usage

to 2,4°C

Saving in % compared to

1995

Saving in % due to automatic balancing valve copm. to 1999

Extra saving in % due to ABV in

risers (2002)

Average outdoor

temp. [°C] Action

1995 2084 2,4

1996 2006 1945 6,7% 2,1 TRV, HCA installation

1997 1741 1878 9,9% 3,1

1998 1760 1837 11,9% 2,8

1999 1537 1757 15,7% 3,6

2000 1505 2247 -7,8% 5,57 ∆p contr. in substation

2001 1167 1347 35,4% 23,3% 3,68

2002 1161 1348 35,3% 23,3% 3,73 ∆p contr. in risers

2003 1275 1259 39,6% 28,3% 6,6% 2,28

2004 1068 1240 40,5% 29,4% 8,0% 3,73

2005 978 1126 46,0% 35,9% 16,5% 3,66 Substation separation

2006 960 945 54,6% 46,2% 2,25

2007 676 980 53,0% 44,2% 5,38

2008 853 1248 40,1% 28,9% 5,44

ageyearlya

correctedyearlydcompensate t

tQQvar12

12−−

•=Evaluation of figures Data collection in a table

Optional footer text Division, SBA or department name 28 februari 2013 | 6

Year

Energy usage

(heating) [GJ]

Corrected energy usage

to 2,4°C

Saving in % compared to

1995

Saving in % due to automatic balancing valve copm. to 1999

Extra saving in % due to ABV in

risers (2002)

Average outdoor

temp. [°C] Action

1995 2084 2,4

1996 2006 1945 6,7% 2,1 TRV, HCA installation

1997 1741 1878 9,9% 3,1

1998 1760 1837 11,9% 2,8

1999 1537 1757 15,7% 3,6

2000 1505 2247 -7,8% 5,57 ∆p contr. in substation

2001 1167 1347 35,4% 23,3% 3,68

2002 1161 1348 35,3% 23,3% 3,73 ∆p contr. in risers

2003 1275 1259 39,6% 28,3% 6,6% 2,28

2004 1068 1240 40,5% 29,4% 8,0% 3,73

2005 978 1126 46,0% 35,9% 16,5% 3,66 Substation separation

2006 960 945 54,6% 46,2% 2,25

2007 676 980 53,0% 44,2% 5,38

2008 853 1248 40,1% 28,9% 5,44

%3,23 1757

1347-1757En.saving ==

%7,6 2084

1945-2084En.saving ==

%6,6 1348

1259-1348En.saving ==

Evaluation of figures Data collection in a table

Optional footer text Division, SBA or department name 28 februari 2013 | 7 Hydronic Balancing & Control 28 February, 2013 l 7

Based on actual price list with standard discount

Evaluation of figures Investment cost calculation

Optional footer text Division, SBA or department name 28 februari 2013 | 8

Based on energy saving and energy price

only TRV ABV in SS ASV-P/M Sum4816 1085 2410 7226365,7 476,5 97,6 795,56,49 6,49 6,49 6,492,0 0,4 3,8 1,4

Investment cost [€]Investment type

*Without DH investment the system become ∆p controlled and the energy saving is fixed.

Pay back time [year]Energy price (DH) [€/GJ]Av. yearly energy saving [GJ]

Evaluation of figures Pay back time calculation

Optional footer text Division, SBA or department name 28 februari 2013 | 9 Hydronic Balancing & Control 6 October 2011 l 9 Hydronic Balancing & Control 28 February, 2013 l 9

Case study 1 Two pipe heating system

637 pcs

30 pcs

Optional footer text Division, SBA or department name 28 februari 2013 | 10 Hydronic Balancing & Control 6 October 2011 l 10 Hydronic Balancing & Control 28 February, 2013 l 10

Case study 2 One pipe heating system

291 pcs

Optional footer text Division, SBA or department name 28 februari 2013 | 11 Hydronic Balancing & Control 6 October 2011 l 11 Hydronic Balancing & Control 28 February, 2013 l 11

Case study 3 One pipe heating system

128 pcs

Optional footer text Division, SBA or department name 28 februari 2013 | 12 Hydronic Balancing & Control 6 October 2011 l 12 Hydronic Balancing & Control 28 February, 2013 l 12

Case study 4 Domestic hot water

40 pcs

Optional footer text Division, SBA or department name 28 februari 2013 | 13 Hydronic Balancing & Control 6 October 2011 l 13 Hydronic Balancing & Control 28 February, 2013 l 13

Case study 5 Cooling system

50 pcs

Optional footer text Division, SBA or department name 28 februari 2013 | 14 Hydronic Balancing & Control 6 October 2011 l 14 Hydronic Balancing & Control 28 February, 2013 l 14

Case study 6 Global modernization

130 pcs

5 pcs

26 pcs

estimated

Optional footer text Division, SBA or department name 28 februari 2013 | 15 Hydronic Balancing & Control 6 October 2011 l 15 Hydronic Balancing & Control 28 February, 2013 l 15

Conclusion Very effitient investment If we use suitable solutions energy (money)

savings are significant

We can proof it base on cases studies!

In that cases studies we :

- collected precise data

- made precise calculation

Results you already know.

less than 4 year Payback time