Gas Absorption Heat Pump (GAHP) technology for energy ... absorption heat pum… · New...

New market-ready gas utilisation technologies for commercial users | We have the technology!Brussels, 9th March 2016

Gas Absorption Heat Pump(GAHP) technologyfor energy efficiencyMonitored cases

Brussels, 9th March 2016

Luigi TischerStrategic Business DirectorRobur


SUMMARY

Robur, the Company

Gas Absorption Heat Pump (GAHP) technology

GAHP product range

GAHP benefits

Field tested and monitored technology: education, commercial, residential, public sector


SUMMARY

Robur, the Company


GAHP product range

GAHP benefits



Business | in more than 50 Countries worldwide

USA Branch|Robur Corp. Evansville,Indiana

Italy, Corporate Headquarter| Robur SpA, Bergamo

German Branch|Robur GmbH, Friedrichshafen


SUMMARY

Robur, the Company


GAHP product range

GAHP benefits



GAS ABSORPTION HEAT PUMP + AIR- / GROUND- / WATER- SOURCE RENEWABLE ENERGY


The perfect blend between the 2 most common heating technologies

GAS ABSORPTION HEAT PUMP + AIR- / GROUND- / WATER- SOURCE RENEWABLE ENERGY


SUMMARY

Robur, the Company


GAHP product range

GAHP benefits



GAS ABSORPTION HEAT PUMPPRODUCT RANGE

GAHP-A GAHP-GS GAHP-WSGAHP-AR


AIM HIGH IN HEATING YOUR HOME!A super efficient heat pump that uses air, a renewable energy sourcealways available, to heat your home.It is gas fired, simply. Easy to install, it is the all-in-one solution, avoiding the complexity of integration with solar thermal systems.It is a versatile unit, suitable for both new and existing buildings as it fits also in heating systems with high temperature distribution systems such as radiators.


SUMMARY

Robur, the Company


GAHP product range

GAHP benefits



EFFICIENCY AND RES UTILIZATION IN GAHPs

New market-ready gas utilisation technologies for commercial users | We have the technology!Brussels, 9th March 2016 GAHP: benefici ambientali

ENVIRONMENTAL BENEFITS IN GAHPs

Source: JRC. Development of European Ecolabel Criteria for Water-based Heaters (p. 98-103), Oct. 2013











SUMMARY

Robur, the Company


GAHP product range

GAHP benefits



GAHP: FIELD-TESTED AND MONITORED TECHNOLOGY


EDUCATION


EDUCATION | PRIMARY SCHOOL IN TORRE BOLDONE

School complex near Bergamo refurbished in 2011.

Previous system: 2 gas boilers

Actual system: 10 Robur Gas Absorption Heat Pump + air-source renewable energy (integration with previous system)


Data measured:- Average seasonal efficiency of the system up to 137%

vs. 79% of the previous one - Cost saving up to 20.000 €- Reduction of CO2 emissions of 44 t

per year vs. previous system

Service: heating

Heating capacity: 413 kW

EDUCATION | PRIMARY SCHOOL IN TORRE BOLDONE


EDUCATION | PRIMARY SCHOOL IN PLAIDT

Primary school in Plaidt-Germany, dating back to 1907. Refurbishment in 2010.

Previous system: 2 electric heat pumps

Actual system: 1 Robur Gas Absorption Heat Pump + ground source renewable energy


EDUCATION | PRIMARY SCHOOL IN PLAIDT

Data measured by E.ON Ruhrgas:- operating cost savings of 39%- reduction of CO2 emissions of 44%

per year vs. previous system - 2 EHPs

BEFORE: 2 EHPs AFTER: 1 GAHP-GS

Reference case Monumental building

Country Germany

Town Plaidt

Min Design Temp. -12 C

Average Design Temp. 1 C

Building purpose Elementary school

Occupancy 80 people

Building surface 840m2

Service

Heating YES

Cooling NO

DHW NO

OVERALL BUILDING RETROFIT BEFORE AFTER

Envelope

Roof Insulation according to standards retrofit not applicable

Wall Double brick wall with hallow space retrofit not applicable

Windows Double glass already in place retrofit not applicable

Heat Generation

Emission system Radiators 70/50 Radiators 70/50 C

Heat Generator Gas Boiler Gas Absorption Heat Pump

Heat Generator Installation Basement Basement

Renewable Source None Ground Source

Date

Construction/Retrofitting 1907 2010

RESULTS

Data measurement Metered field test site

Remote metering

Measures performed by IGWP

Annual Seasonal Performance for heating function (Seasonal Primary Energy Ratio)

envelope savings % of heat load 0 0%

efficiency (primary energy) % on primary energy 88,0% 140,8%

specific CO2 emissions at heat generator gCO2/kWh 220 138

specific heating consumption kwh/m2/year 150 93,75

specific CO2 emission kgCO2/m2/year 33,1 12,9

RETROFIT

Building surface: 840 sqm

Occupancy: 100 people

Service: heating

Heating capacity: 37 kW


COMMERCIAL


COMMERCIAL | CARREFOUR RETAIL

19 points of sale refurbished over the last 6 years in the North of Italy.



TARGET - CARREFOUR GROUP“Achieve the corporate 2020 target of a 30% reduction of final energy compared to a 2005 baseline”


RESULTSAverage payback time is 4 years with an annual return on investment of 16%.


“With the aim of significantly

reducing energy bills,

the Carrefour Italy energy

Department has chosen

the Robur heat pumps

powered by gas”

Alfio Fontana – Energy Manager, Carrefour Italia


RESIDENTIAL


RESIDENTIAL | MFH IN TURIN

MFH dating back to 1970.

Previous system: oil boilers

Actual system: 2 Robur Gas Absorption Heat Pump + air-source renewable energy (integration with 2 condensing boilers)


PayBackwithout subsidies

5 years

Energy saving vs. previous system

48.7%


RESIDENTIAL | MFH IN MILAN

MFH dating back to 1960. Refurbishment in 2012.

Previous system: 2 gas boilers

Actual system: 5 Robur Gas Absorption Heat Pump + air-source renewable energy (integration with previous system)


ENERGY BALANCEWINTER SEASON 2012-2013

(Oct. 2012 - Apr. 2013)

Heating demand coverage by GAHP 73.3%

Heating demand coverage by gas boilers 26.7%

Heating capacity by GAHP 589,070 kWh/year

Heating capacity by gas boilers 214,480 kWh/year

Overall heating capacity 803,550 kWh/year

GUE (Gas Utilization Efficiency) GAHP 1.45

Energy consumption by GAHP 406,255 kWh/year

Energy cost - produced by GAHP 50.08 €/MWh

Energy cost - produced by gas boilers 81.84 €/MWh

Energy cost reduction by GAHP vs. gas boilers only 39%

Overall cost heat generation 48,656 €/year


ENERGY BALANCEWINTER SEASON 2013-2014

(Oct. 2013 - Apr. 2014)

Heating demand coverage by GAHP 84.5%

Heating demand coverage by gas boilers 15.5%

Heating capacity by GAHP 610,000 kWh/year

Heating capacity by gas boilers 112,000 kWh/year

Overall heating capacity 722,000 kWh/year

GUE (Gas Utilization Efficiency) GAHP 1.54

Energy consumption by GAHP 396,877 kWh/year

Energy cost - produced by GAHP 46.968 €/MWh

Energy cost - produced by gas boilers 78.27 €/MWh

Energy cost reduction by GAHP vs. gas boilers only 40%

Overall cost heat generation 37,400 €/year


PUBLIC SECTOR


PUBLIC | CERTOSA DI PAVIA

Historical building dating back to 14th Century. Refurbishment in 2010.

Previous system: oil boiler

Actual system: 4 Robur Reversible Gas Absorption Heat Pump + air-source renewable energy


PRIMARY ENERGY CONSUMPTIONCurrent system (4 Robur GAHP-AR)

vs. previous system (oil boiler)

Oil boiler


CARBON FOOTPRINTCO emisisons - current system (4 Robur GAHP-AR)

vs. previous system (oil boiler)

Oil boiler


OTHER…


Kindergarden in Turin

In case of refurbishment one of the most cost-effective investments is the retrofitting of the plant room only.

Measured reduction of energy consumption of 31% has been ensured thanks to the Robur system.

Ground-source gas absorption heat pump


Primary school in Sortland - Polar arctic circle

Robur air-source heat pump ensures efficiency levelsin excess of 145% even at -7°C, offering high performance in cold climates.

Air-source gas absorption heat pump


Open University - Milton Keynes

Robur ground-source heat pumps contribute to the University’s carbon reduction strategy and to reach the highest scores for the BREEAM assessment.

Moreover, they reduce geothermal loop installation costs by up to 50% compared with EHPs.

Ground-source gas absorption heat pumps


MAS Museum - Antwerp

Robur water-source heat pumps provide heating, coolingand domestic hot water production where water-source

renewable energy is available.

Water-source gas absorption heat pumps


First carbon neutral commercial office building all over Australia.Several prestigious acknowledgements: Greenstars, LEED and BREEAM.

Pixel Building - MelbourneReversible air-source

gas absorption heat pumps


Robur system flexibility and modularity provide heating and coolingoutputs according to demands ensuring service continuity.

Holiday Inn Airport hotel - Istanbul

Reversible air-source gas absorption heat pumps


Robur system ensures 32.000 € annual cost savings compared with the pre-existing oil boiler system.

Sky Line swimming pool - Cremona

Reversible air-source gas absorption heat pumps +

Air-source gas absorption heat pumps


Robur solution provides monitoredheating efficiency of 141%.

MFH - Verrières-le-Buisson

Ground-source gas absorption heat pumps


Thank you for your attention

Luigi TischerStrategic Business Director

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