Post on 11-Dec-2015
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INTEGRA FOR HOTELS CASE STUDY
AQUALUX HOTEL SPA, SUITE & TERME BARDOLINO, GARDA LAKE
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AQUALUX HOTEL SPA, SUITE & TERME The Building Total Cooling Capacity 1470 kW
Performance data
Owner: Viola FamilyLuxury 4 stars superior hotel
Total Heating Capacity 1027 kWInstalled units 2 x ERACS2‐WQ
1902,1 x TECS2‐W LC0511
Owner: Viola FamilyArchitect: Rama ArchitetturaHVAC Designer: IngenieurbüroMichele Carlini
Luxury 4 stars superior hotelconceived according to theClimateHotel quality seal forsustainable hotels and tourisminfrastructure, Completed in
2011 il l 3
2 x back‐up Boilers2 x Air Handling Units
autumn 2011 Built volume 45.000 m3
Built surface 19.000 m2
Rooms 135Spa Wellness 1100 m2
Conference Centre 1300 m2Conference Centre 1300 m2
Taverna 350 m2
Indoor swimming pools 4 – 900 m2
Outdoor swimming pools 4 – 900 m2
Restaurants 850 m2
Bars 350 m2
Halls 400 m2
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THE ClimateHotelCertification Programme
Launched in Bozen in 2009 to answer to the
A new quality seal for sustainable hotels and tourism infrastructure.
Launched in Bozen in 2009 to answer to theincreasing request for sustainability, health andwell being not only at home but also duringleisure time
h l l l l f
Energy‐conscious Comfortable Environmentally friendly Health‐promoting Economic
The ClimateHotel quality seal certifies toinvestors, tenants, guests and local communitythat the building is:
Free of Construction DamageMore valuable and profitable
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M&E and HVAC FOCUS ON
M&E and HVAC design aimed at combining EFFICIENCY, SUSTAINABILITY, COMFORT, through a 3‐step approach
Energy ReductionEnergy Reduction
Reduced Heating Need
Through extensive insulation of the building ventilation with advanced
Reduced Cooling Need
Thermal lag (materials with high thermal mass) and low thermal
Reduced Electrical Consumption
Variable flow and inverter drivendevices for units and pumps. building, ventilation with advanced
energy recovery systems, low consumption systems for swimmingpools night heating.
thermal mass) and low thermaltransmittance. Passive solar design.
Extensive Use of Renewables
devices for units and pumps.
Extensive Use of RenewablesGround water as main source for the 2 Integra high efficiencywater cooled multiuse units forsimultaneous heating and
140m2 thermal solar to produce 40% of total sanitary hot water supply. Overdimensioned exchangers to optimse efficiency with low temperature heating and high temperature cooling.
simultaneous heating and cooling.
High Efficiency HVAC
based on Climaveneta water source multiuse units for simultaneousheating and cooling with one single unit.The system is complete by two back‐up boilers for heating and one back‐up Climaveneta TECS chiller for cooling.
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Heating, cooling and sanitaryhot water production
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High efficiency hvacFOCUS ON
Distribution and Production Systems optimised for High Efficiency
PRODUCTION
Wh l d b
DISTRIBUTION SYSTEMS
SYSTEMS BUILDING MANAGEMENT
Low temperature heating& high temperature cooling for highestefficiency comfort based
Whole structure served by a central hydronic system based on 2 Integra heatpumps. Boilers and TECS units are
Advanced BMS forintegration and optimisedmanagement of all the efficiency comfort based
on advanced innovative solutions dedicated toeach area.
Boilers and TECS units are conceived only for back‐up.
gsystems installed: HVAC, lighting, electrical, fire in each area (rooms, restaurant, bar, swimmingpool).
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High efficiency hvacFOCUS ON
Low temperature heating
Distribution systemsAll distributing systems are designed to useLow temperature heating
& high temperature cooling for highestefficiency comfort based
low temperature water (about 45°C) and optimally insulated
All fluid distribution systems are inverter driven, thus modulating flow according to
on following solutionsdriven, thus modulating flow according toreal requirements and reducingsignificantly energy consumption.
Rooms Radiant ceilings + 1 Cassette Fan coilRestaurant Radiant floor + Air handling system with 90% energy recovery Bar Radiant floor + Fancoils + Air handling system with 90% energy recovery ConferenceCentre
Radiant floor with air handling units for primary air
Kitchen Advanced air treatment with 75% heat recovery Swimming pools Radiant floor and walls + dedicated air handling units with advanced
heat recovery Sauna Radiant floor
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High efficiency hvacFOCUS ON
Production SystemsProduction Systems
The whole hotel is servedby a hydronic system based
Production systems details:
Total cooling capacity: 1470 kWTotal heating capacity: 1027 kW
Their efficiency allows to reduceground water consumption, withreduced environmental impact and
on 2 Integra water sourceheat pumps.
The advanced concept of Integra
Installed units: 2x ERACS2‐WQ 1902, 1x TECS2‐W LC 05112 x back‐up Boilers
further energy saving due toreduced pumping flows.
The system is based on variableflow pumps adapting to the real
units allows them to produceheating and cooling, alsosimultaneously, with one single unit.
In case of simultaneous request for
flow pumps, adapting to the realthermal load of the building,further reducing this major energyconsumption factor.
B il d TECS it
TER= 6.85TER= 7.10TER= 6.78
In case of simultaneous request forheating and cooling, the lowerrequest is performed for free.
This results in increased energyefficiency (COP and EER) with
Boilers and TECS units areconceived only for back‐up.
efficiency (COP and EER), withrelevant synergies in case ofsimultaneous operation.
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High efficiency hvacFOCUS ON
Building management
Regulation of systems in eachrooms privileges radian ceiling ‐more efficient and silent, and usesf il l t k l d
The hotel is equipped withan advanced BMS,managing all the systems fan coil only at peak loads.
Additional energy savings throughseveral innovative solutions inmany aspects of the systems design
g g yinstalled: HVAC, lighting,electrical, fire.
Each area (rooms, restaurant, bar,and installation (energy recovery forswimming pools water etc.)
Each area (rooms, restaurant, bar,swimming pool) is provided withdedicated circuits for temperaturemanagement, according to theambient conditions and outdoortemperaturestemperatures.
Independent control for eacharea
Room Climate control optimised forcomfort and efficiency: severaltemperature management profiles(guest in, guest out in the hotel,guest out not in the hotel cleaning
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guest out not in the hotel, cleaning,free room…)
Energy Scheme 1FOCUS ON HIGH EFFICIENCY HVAC
gy
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FOCUS ON HIGH EFFICIENCY HVACEnergy Scheme 2gy
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Sustainability AnalysisFOCUS ON HIGH EFFICIENCY HVAC
Comparative analysis of three different solutions
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CO2 Emissions
%The INTEGRA base HVAC system isfeatured by 359 ton/a CO2 emissions, thus ensuring:
‐ 40% CO2 EMISSIONS
compared with traditional solutionbased on boilers and chillers
‐ 23% CO2 EMISSIONS
compared with traditional solutionbased on boilers and heat pumps
Comparative analysis of two different solutions
based on boilers and heat pumps.
Ground Water C ti
Boiler + Chiller
Boiler + Heat pumpBoiler + Integra unit
The INTEGRA base HVAC system isfeatured by 187 500 m3 yearly water
Consumption
‐ 25% GROUND WATER featured by 187.500 m yearly water consumption, thus ensuring: CONSUMPTION
compared with a traditional solution basedon boilers and traditional heat pumps.
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Boiler + Heat pump Boiler + Integra unit
Energy Reduction and Payback AnalysisFOCUS ON HIGH EFFICIENCY HVAC
The AQUALUX systems ensures an
gy y yEnergy Consumption of a standard Hotel
The AQUALUX systems ensures anyearly:
‐ 56% ENERGY 47%
23%
17%
13%
CONSUMPTION
compared with a traditional system based on boiler and chillers
HeatingSwimming Pools
On the basis of a quantitative analysisand information about yearly savings , the results show:
The AQUALUX Hotel is featured by210.000€ yearly average energy costs.
Energy Consumption of ClimaHotel
6%
CoolingDHWthe results show:
LESS THAN 2 YEARS PAYBACK of the additional initial
This results in:
270.000€ SAVINGS PER YEAR57%
21%
11%6% 6% investment
Considering only real savings, before incentives for green
compared with a traditional system basedon boiler and chillers
DHWSavings Cooling
solutions
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Heating
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Swimming Pools
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For more information on the Project:
For further Information about the product:
www.youtube.com/user/climavenetaweb
www.climaveneta.com/GLOBAL/Products/43/integra/ Link
www.climaveneta.com/GLOBAL/download/brochure/index.asp
For further Information about the Aqualux Hotel:
www.aqualuxhotel.com/ing/
Architect: Rama Architettura
HVAC Designer : ing. Michele Carlini ‐ Bolzano
Copyright and Confidentiality NoticeCOPYRIGHT© 2012 CLIMAVENTA SPA. All rights reserved. No part of this document may be reproduced in any form, including video recording, photocopying, downloading, broadcasting or transmission electronically, without prior written consent of CLIMAVENETA SPA. Information contained in this material is confidential and proprietary to CLIMAVENETA SPA and its affiliates and may not be modified copied published disclosed distributed displayed or exhibited in
climaveneta.com COPYRIGHT© 2012 CLIMAVENTA SPA
Information contained in this material is confidential and proprietary to CLIMAVENETA SPA and its affiliates and may not be modified, copied, published, disclosed, distributed, displayed or exhibited, in either electronic or printed formats without written authorization of CLIMAVENETA SPA.