climaveneta - aqualux bardolino

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

climaveneta.com COPYRIGHT© 2012 CLIMAVENTA SPA

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


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).



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



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.



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


guest out not in the hotel, cleaning,free room…)

Energy Scheme 1FOCUS ON HIGH EFFICIENCY HVAC

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FOCUS ON HIGH EFFICIENCY HVACEnergy Scheme 2gy


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.


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


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


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.

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