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AIR QUALITY PLAN of REGIONE PIEMONTE abstract about heating of buildings

Learn about the impact of building heating on air quality in Piemonte, regulations, and incentives for energy-efficient heating systems. Discover strategies for reducing energy consumption, upgrading existing buildings, and tackling air emissions. Find out about district heating development and expected results on air quality improvements in the region.

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AIR QUALITY PLAN of REGIONE PIEMONTE abstract about heating of buildings

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  1. AIR QUALITY PLAN of REGIONE PIEMONTE abstract about heating of buildings Adriano Mussinatto REGIONE PIEMONTE DIREZIONE AMBIENTE Settore Risanamento Elettromagnetico, Acustico e Atmosferico

  2. Legislation Dir. 96/62/CE Qualità dell’aria Dir. 2002/91/CE Energy performance of buildings Dir. 2002/91/CE Rendimento energetico degli edifici Dir. 2008/50/CE Air quality Dir. 2010/31/CE Energy performance of buildings D.Lgs. 351/99 Air quality D.Lgs. 192/05 311/06, Dpr 59/09 e Dm 26/6/2009 D.Lgs. 155/2010 Air quality L.R. 43/2000 Regional Air Quality Plan L.R. 13/2007 d.g.r. 46-11968 del 4/8/2009 European Union Italia (MS) Regione Piemonte This document contains the regional rules about energy efficiency of buildings

  3. Inpact of building heating Regional Inventory of air emissions During winter season, building heating is the element which has the most impact on air quality of urban centers, second only to traffic. 30 % PM1017% NOx

  4. Energy Final uses of energy in Piemonte Heat = 2.725 ktep/y Electricity = 420 ktep/y CO2 emissions ≈8 Mton/y

  5. Energy In Regione Piemonte the average value of energy requirement for heating buildings is approximately150 kWh/m2 y Number of building units To reach an important energy reduction is necessary “to work” on existing buildings! In Piemonte the rebuilding rate of the total built volume is approximately 0,65% per year

  6. Performance of heating system The minimum performance levels for new installations or substitutions of existing boilers are the following: Emission≤80 mg NOx /kWh (as NO2) = (22 mg/MJ) ≤10 mg PM /kWh = (2.8 mg/MJ) Efficiency ηg= 93 + 2 Log(Pn) (Pn = nominal heating power) There is a special temporary rule about heating boilers feeded by gas oil until 2013: Emission ≤120 mg NOx /kWh (as NO2) = (33 mg/MJ) Incentives for installation of boilers with an “NOx emission factor” ≤ 30 mg/kWh have been planned

  7. Air emissions of biomass feeded boilers Emission factors PM Small boiler, stove, fireplace Pn<35 kW 200 - 800 mg/kWh Boilers with multicyclone Boilers with fabric filter Biomass (wood log, wood chips) NG / LPG Light oil

  8. Air emissions of biomass feeded boilers Emission factors NOx Boilers without specific NOx abatment system Boilers with SNCR Small boilers, stoves, fireplaces Pn<35 kWt Biomass (wood log, wood chips) Light oil NG / LPG

  9. Air emissions of biomass feeded boilers Here below the minimum performance levels about biomass feeded boilers

  10. Adjustment of existing boilers The air emission limits to adjust the existing boilers are the same fixed for new installations. It’s possible to postpone energetic adjustment until 1/9/2020.

  11. Adjustment of existing boilers using firewood or solid biomass The air emission limits to adjust the existing boilers are the same fixed for new installations. It’s possible to postpone energetic adjustment until 1/9/2020.

  12. District heating In next 10 years, in Piemonte, a strong development of district heating networks is expected.

  13. Retrofit of existing buildings • The existing buildings, in Regione Piemonte, have a potential for energetic consumption reduction of about 30%. • Energetic requalification works, required to achieve this objective, are caracterized by a pay-back period from 4 to 10 years. It’s important to “shift” economical resources from the purchase of fuels (normally fossil fuels) to the purchase of materials, technologies and consultancy that allows our buildings to be less energy demanding and more environmental friendly. • It becomes strategic to arrange suitable financial tools allowing users to cope with the necessary investments and taking the best advantage of the resources “released” from energy savings obtained by requalification works.

  14. Retrofit of existing buildings • Existing buidings, with more than 50 building unitsand a demand of primary energy greather than 200 kWh/m2per year; • All other existing buildings, with a volume greather than 10.000 m3and a demand of primary energy greather than 70 kWh/m3per year; This buidings must reduce their primary energy demand for heating of at least 35% by 31/12/2016.

  15. Expected results on air emissions This scenario could be realistic only if the use of solid biomass in small boilers, stove or fireplace won’t rise significantly in the future, or if new technologies will be developed to use this type of renewable fuel

  16. Thank you for your attention! risanamento.atmosferico@regione.piemonte.it

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