CIB TG66 South America Webinar 2010-11-04 4 Waldo Bustamante
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CIB TG66 South America Webinar 2010-11-04 4 Waldo Bustamante

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The South American session of the international webinar series,"THE IMPLEMENTATION OF ENERGY EFFICIENT BUILDINGS POLICIES IN 5 CONTINENTS" was held on November 4, 2010, 10 pm - 12:30 pm, Brasilia ...

The South American session of the international webinar series,"THE IMPLEMENTATION OF ENERGY EFFICIENT BUILDINGS POLICIES IN 5 CONTINENTS" was held on November 4, 2010, 10 pm - 12:30 pm, Brasilia time.

The agenda for the free 2.5-hour webinar was:

· 10:00 Introduction - Jean Carassus, TG 66 Coordinator

· 10:10 "The Ordinance on Buildings Thermal Quality for the City of Maracaibo-Venezuela" - Nastia Almao, Emeritus Professor, University of Zulia

· 10:30 "Energy efficiency in buildings in Colombia" - Carlos Valles, UPME (Energy Planing Unit), Ministry of Mines and Energy

· 10:50 "Energy efficiency in buildings in Argentina" - Gautam Dutt

· 11:10 "Barriers to Energy Efficiency in Buildings in Emerging Economies. Strategies to start actions: The case of Uruguay." - Alfonso Blanco, Mechanical and Industrial Engineer of UdelaR University

· 11:30 "Chilean Building Thermal Performance regulations: what we´ve done and what we haven´t." - Waldo Bustamante, Professor at the School of Architecture. P. Catholic University of Chile (PUC)

· 11:50 "The Brazilian Energy Efficiency Label for Buildings" - Roberto Lamberts, UFSC, Professor, Federal University of Santa Catarina, South Brazil

· 12:10 Conclusions - Jean Carassus, TG 66 Coordinator

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CIB TG66 South America Webinar 2010-11-04 4 Waldo Bustamante Document Transcript

  • 1. 03/11/2010 Chilean Building Thermal Performance regulations: what we´ve done and what we haven´t Waldo Bustamante G School of Architecture Catholic University of Chile CIB TASK GROUP 66 WEB EVENT"THE IMPLEMENTATION OF ENERGY EFFICIENT BUILDINGS POLICIES IN SOUTH AMERICA" NOVEMBER 4, 2010 Chile. 17 million people 7 million in Santiago 85% urban population 0,2 % of world CO2 emissions 170% of CO2 emissions increasing during last 25 years Energy: Main responsible for CO2 emissions 1
  • 2. 03/11/2010 PRIMARY ENERGY Firewood 14% Hidro power 19% Coal 10% Petrolium 35% Natural Gas 22% Source: Ministry of Energy. Chile BY SECTORS20% FOR RESIDENTIAL SECTOR 2
  • 3. 03/11/2010 Residential buildings national survey Stand by 3.5% TV 4,2% Lighting (5,4%) Refrig 9,5%Heating system 19,1% Hot Water COOKING 33.2% 13,4% Source: Ministry of Energy of Chile. 2010Climate: Jan T°Max T°Mín Sol rad 24.9 17.7 7.2 July 18.0 13.1 3.6To theexpected T°Max T°Mín Sol radvariation from Jan 24.1 5.4 7.6 July 20.9 -0,9 4.1northto south, theocean, the Jan T°Max T°Mín Sol rad 29.7 13.0 6.4coastal range July 14.9 3.9 1.2and theAndes, along T°Max T°Mín Sol radthe country Jan 23.8 9.0 7.0 July 11.6 4.2 1.1causespronouncedlongitudinalvariations T°Max T° Mín Sol rad Jan 14.7 6.5 5.1 July 3.7 -1,1 0.6 Note: temperatures in °C and Solar radiation (mean value) in kWh /m2 day 3
  • 4. 03/11/2010 CHILEAN THERMAL REGULATION FOR (NEW) HOUSING 1st STEP : 2000 Maximun U values for Ceiling of new residential buildings 2nd STEP: 2007 Maximum U values for Walls Floor (excepting floors over ground) Máx area of windows according tu U valueTHERMAL ZONES to ACCORDING HEATING DEGREE DAYS / BASE 15°C1 5002 > 500 - 750 5 > 1250 - 15003 >750 - 1000 6 >1500 - 20004 >1000 - 1250 7 > 2000“Thermal Climatic ZonesZones” according to a nonOr mandatory ChileanHeating StandardDegreeDayZones 4
  • 5. 03/11/2010STANDARDS Max Area Windows(Residential buildings) Ceiling Walls Floor Single Double Glazing glazingNo standars for ventilation No standards for avoiding condensationNo standards for infiltrationNo standards for cooling periodsNo requirements for thermal bridges and “nonventilated“ floors Máx U Máx U Minimum Thermal Wall Ceiling Heating Demand City Zone W/m2 K W/m2 K kWh/m2 year 5
  • 6. 03/11/2010 6
  • 7. ERROR: stackunderflowOFFENDING COMMAND: ~STACK: