www.sabien-tech.co.uk

Behavioural ChangesRegular boiler maintenance

BMSWeather

Compensation

Boiler SequencingBoiler Load

Optimisation

Removes the inherent problem of boiler dry cycling

Integrates and complements existing controls i.e. BMS, weather compensation, sequencing

Retrofitted with no impacts to building temperatures or existing control strategies

Is widely overlooked – leaving untapped energy savings

Temp

Time

Temperature over time

Boiler Temperature

150 Minutes

Tem

p o

C Adjusted parameter 3oC

Boiler thermostat set point

15

Adjusted parameter 8oC

0

Tem

p o

C

Minutes

Boiler flow Boiler Return

Boiler T

150 Minutes

Tem

p o

C Adjusted parameter 3oC

Boiler thermostat set point

15

Adjusted parameter 8oC

0

Tem

p o

C

Minutes

Boiler flow Boiler Return

Boiler T

M2G LED display

Other technologies M2G

BMS/BEMS

Weather compensation

Boiler sequencing

Boiler Load Optimisation

Common Return / Flow Temperature

Variable Temp

Boiler 1 82o

Boiler 2 70o

Boiler 3 60o

BMS

OutstationsLighting etc

Air conditioning / ventilation

x 3 Boiler enable / disable

Outside Temperature

82o

60o

70o

60o

60o

60o

72o

Blended temperature

60o

*FTSE Carbon Disclosure Project. Carbon Strategy Index 2010

O2Client Average Saving Payback

SercoLand Registry

Bradford Council

Royal Mail

Newcastle City Council

Communities & Local Govt.

22%

13%15%

20%

11%

16%

12%

< 2 years

< 2 years< 1 years

< 1 year

< 1 year

< 2 years

< 2 years

£ per CO2t saved

£3.78

£10.28£4.87

£4.60

£4.20

£24.67

£7.66

Marriott Hotels 22% < 1 year £2.48

10%

19%

16%

13%

12%reduction in gas

consumption

£97k cost savings

per year

639tonnes of CO2

reduced/year

1.1Year

payback

-100,000

-80,000

-60,000

-40,000

-20,000

-

20,000

kW

h

M2G installed. Significant drop in gas

consumption following installation

15%reduction in gas

consumption

£90k cost savings

per year

367tonnes of CO2

reduced/year

36week

payback

Installation

of M2G

Lower

consumption

Colder weather

Analysis of main boiler house

17%reduction in gas

consumption

2.7year payback

25 tonnes of CO2

reduced

“The units (M2G) are

now playing an

important role in

minimising our energy

consumption”

Brian Robinson Head of Energy, IMechE

12% reduction in gas consumption

1.5 year payback

84 tonnes of CO2 reduced

“The M2G is very cost-

effective for the

savings achieved so

it’s a low risk

investment ”

Carl Von Reibnitz

Sustainable Operations Manager, CLG