12 Septiembre 2019
"Emprendimiento del futuro ligados con la eficiencia energética y accesibilidad". Samuel Pérez Ramírez, Jefe de Ventures y prospectiva
Reporting on the sustainability of district heating networksMirjamHarmelink
The Netherlands is aiming at a climate neutral build environment in 2050, in line with the goals of the EU. This implies that district heating networks will have to be nearly climate neutral as well. A number of Dutch heat suppliers annually reports on their contributions to a climate neutral energy supply. It is, however, often unclear how these reductions are calculated, i.e. which information is being used and what the underlying assumptions are.
The Dutch government therefore has introduced a reporting obligation for district heating suppliers. Under this obligation, it will be mandatory for suppliers to report annually on the sustainability of the heat supplied to their customers by providing at least information on: (1) CO2 emissions per unit of delivered heat, (2) Primary fossil energy use per unit of delivered heat and (3) the share of renewable energy sources.
To ensure that reported data are transparent and comparable, a mandatory uniform reporting format and method to calculate the three indicators was developed. It is based on existing definitions and methods that are already accepted and recognised by the stakeholders and in line with the buildings regulations. The methodology should provide insight on the actual sustainability of supplied heat by using annual measured data from the heat suppliers as well as annual monitoring data on e.g. the efficiency and CO2 emissions of the Dutch electricity production systems. This presentation outlines the methodology.
Jenny Power from SEAI presents on a retrofit of a 1950s Crumlin Cottage from an F to an A2, presentation given at the Deep Retrofit conference 21st June 2017
Energy analysis using computer aided designEric Brennan
A quick presentation from my 3rd year project in college based on a BIM model, utilizing the model as a tool to gauge the energy and carbon footprint for a large residential area.
12 Septiembre 2019
"Emprendimiento del futuro ligados con la eficiencia energética y accesibilidad". Samuel Pérez Ramírez, Jefe de Ventures y prospectiva
Reporting on the sustainability of district heating networksMirjamHarmelink
The Netherlands is aiming at a climate neutral build environment in 2050, in line with the goals of the EU. This implies that district heating networks will have to be nearly climate neutral as well. A number of Dutch heat suppliers annually reports on their contributions to a climate neutral energy supply. It is, however, often unclear how these reductions are calculated, i.e. which information is being used and what the underlying assumptions are.
The Dutch government therefore has introduced a reporting obligation for district heating suppliers. Under this obligation, it will be mandatory for suppliers to report annually on the sustainability of the heat supplied to their customers by providing at least information on: (1) CO2 emissions per unit of delivered heat, (2) Primary fossil energy use per unit of delivered heat and (3) the share of renewable energy sources.
To ensure that reported data are transparent and comparable, a mandatory uniform reporting format and method to calculate the three indicators was developed. It is based on existing definitions and methods that are already accepted and recognised by the stakeholders and in line with the buildings regulations. The methodology should provide insight on the actual sustainability of supplied heat by using annual measured data from the heat suppliers as well as annual monitoring data on e.g. the efficiency and CO2 emissions of the Dutch electricity production systems. This presentation outlines the methodology.
Jenny Power from SEAI presents on a retrofit of a 1950s Crumlin Cottage from an F to an A2, presentation given at the Deep Retrofit conference 21st June 2017
Energy analysis using computer aided designEric Brennan
A quick presentation from my 3rd year project in college based on a BIM model, utilizing the model as a tool to gauge the energy and carbon footprint for a large residential area.
Susana Paardekooper, PhD Fellow, Aalborg University
Workshop: Integrating low-temperature renewable energy sources in District Energy Systems: Focus on Belarus
IRENA - The International Renewable Energy Agency, February 4th, 2021
Housing/Building Standards Section, presentation given by Sean Armstrong, Senior Technical Advisor (Building Standards), Department of Housing, Deep Retrofit conference June 21st 2017
Energy Simulation of High-Rise Residential Buildings: Lessons LearnedRDH Building Science
This presentation covers lessons learned from an energy study of over 60 architecturally representative mid to high rise multi-unit residential buildings (MURBS) in BC.
An update on SAP, Code and Part L requirements and proposed updates. SAP assessments in detail, and SAP case studies for Part L compliance, Code for Sustainable Homes levels 4 and 5 (zero carbon).
Energy and Indoor Air Quality Impacts of DOAS Retrofits in Small Commercial B...RDH Building Science
Heating, ventilating and air-conditioning (HVAC) typically accounts for 30% to 50% of commercial building energy use. Small commercial buildings often use oversized and inefficient rooftop air handling units (RTUs) to provide both air conditioning and ventilation. A conversion strategy to reduce energy
consumption is the installation of a very high efficiency dedicated outdoor air system (DOAS) to provide ventilation with a separate heat pump system to provide heating and cooling. Decoupling the heating and cooling from ventilation allows for improved energy efficiency and control of space conditions. Upgrades to mechanical systems can also improve the indoor air quality (IAQ) and comfort through control of carbon dioxide (CO2) concentrations, dry bulb temperature, and relative humidity (RH).
A pilot study of eight buildings was conducted to investigate the potential benefits of replacing existing RTUs with high efficiency heat recovery ventilators (HRVs) and air source heat pumps in the Pacific Northwest. This report contains results for a subset of seven buildings for which data is available. The
building energy use before and after the conversion was determined using utility data, energy modeling and monitoring. Indoor environmental conditions were measured at hourly intervals for up to one year postconversion using CO2, temperature, and RH sensors. The data was analyzed to determine changes in energy use and IAQ before and after the conversion.
This paper presents the pilot building results pre- and post-conversion. While several factors need to be in place to ensure optimal performance and cost effectiveness, the pilot shows that replacing RTUs with DOAS systems in existing commercial buildings can both reduce energy use as well as improve indoor environmental conditions. This conversion type is viable for a wide variety of building types and scale-up of the retrofits has the potential to significantly improve a previously underserved segment of the building stock.
Presented by James Montgomery at the 15th Canadian Conference on Building Science and Technology.
The Interim NZEB Specification for Public Sector buildings sets out a performance specification for new buildings owned and occupied by Public Authorities after 31st Dec 2018. It is intended that this specification will form the Nearly Zero Energy Buildings requirement in the interim period until the new 2017 Part L for Buildings other than Dwellings takes effect.
Andrée Dargan, County Architect with Dun Laoghaire on their experience of carrying out deep retrofit of their social housing stock. Presentation given at SEAI's Deep Retrofit conference on 21st June 2017
Susana Paardekooper, PhD Fellow, Aalborg University
Workshop: Integrating low-temperature renewable energy sources in District Energy Systems: Focus on Belarus
IRENA - The International Renewable Energy Agency, February 4th, 2021
Housing/Building Standards Section, presentation given by Sean Armstrong, Senior Technical Advisor (Building Standards), Department of Housing, Deep Retrofit conference June 21st 2017
Energy Simulation of High-Rise Residential Buildings: Lessons LearnedRDH Building Science
This presentation covers lessons learned from an energy study of over 60 architecturally representative mid to high rise multi-unit residential buildings (MURBS) in BC.
An update on SAP, Code and Part L requirements and proposed updates. SAP assessments in detail, and SAP case studies for Part L compliance, Code for Sustainable Homes levels 4 and 5 (zero carbon).
Energy and Indoor Air Quality Impacts of DOAS Retrofits in Small Commercial B...RDH Building Science
Heating, ventilating and air-conditioning (HVAC) typically accounts for 30% to 50% of commercial building energy use. Small commercial buildings often use oversized and inefficient rooftop air handling units (RTUs) to provide both air conditioning and ventilation. A conversion strategy to reduce energy
consumption is the installation of a very high efficiency dedicated outdoor air system (DOAS) to provide ventilation with a separate heat pump system to provide heating and cooling. Decoupling the heating and cooling from ventilation allows for improved energy efficiency and control of space conditions. Upgrades to mechanical systems can also improve the indoor air quality (IAQ) and comfort through control of carbon dioxide (CO2) concentrations, dry bulb temperature, and relative humidity (RH).
A pilot study of eight buildings was conducted to investigate the potential benefits of replacing existing RTUs with high efficiency heat recovery ventilators (HRVs) and air source heat pumps in the Pacific Northwest. This report contains results for a subset of seven buildings for which data is available. The
building energy use before and after the conversion was determined using utility data, energy modeling and monitoring. Indoor environmental conditions were measured at hourly intervals for up to one year postconversion using CO2, temperature, and RH sensors. The data was analyzed to determine changes in energy use and IAQ before and after the conversion.
This paper presents the pilot building results pre- and post-conversion. While several factors need to be in place to ensure optimal performance and cost effectiveness, the pilot shows that replacing RTUs with DOAS systems in existing commercial buildings can both reduce energy use as well as improve indoor environmental conditions. This conversion type is viable for a wide variety of building types and scale-up of the retrofits has the potential to significantly improve a previously underserved segment of the building stock.
Presented by James Montgomery at the 15th Canadian Conference on Building Science and Technology.
The Interim NZEB Specification for Public Sector buildings sets out a performance specification for new buildings owned and occupied by Public Authorities after 31st Dec 2018. It is intended that this specification will form the Nearly Zero Energy Buildings requirement in the interim period until the new 2017 Part L for Buildings other than Dwellings takes effect.
Andrée Dargan, County Architect with Dun Laoghaire on their experience of carrying out deep retrofit of their social housing stock. Presentation given at SEAI's Deep Retrofit conference on 21st June 2017
Professor Brian Vad Mathiesen, Aalborg University
Workshop: Integrating low-temperature renewable energy sources in District Energy Systems: Focus on Belarus
IRENA - The International Renewable Energy Agency, February 3rd, 2021
Technical-Economic Assessment of Energy Efficiency Measures in a Mid-Size Ind...Luis Ram Rojas-Sol
The industry sector is facing many challenges such as global competition, energy pricing, environmental impact amongst others. Consequently, the necessity of energy efficiency measures has become evident; framing the objective of this project as to assess the technical and economic pre-feasibility of implementing energy efficiency measures in a dairy products manufacturing company located at the south of the Reunion Island with the help of RETSCreen ® a Clean Energy Project Analysis Software. The scope of the project is focused in one of the nine buildings where the company accomplishes different production processes, specifically in the ultra-high temperature pasteurization facility building (UHT).
Assess
Current energy demand
Energy audit
Analyse
Energy requirements
Advise
On technical improvements
Advertise
Ways to save energy
Account
For energy consumption
Tangibilidad de las tendencias Tecnológicas. Carlos Martínez Bertrand. Director Gerente de la Plataforma Tecnológica de la Construcción y Director de Innovación SEOPAN
Oportunidad de negocio a través de la rehabilitación energética de edificios. Jose Luis Fierro Martín. Director General en Carlo Gavazzi S.A. y Delegado Zona Norte de A3e.
Puesta en valor de los Materiales Secundarios. Javier Aguirre Orcajo. Director de Administración Ambiental del Departamento de Desarrollo Económico, Sostenibilidad y Medio Ambiente
Congreso Europeo sobre Eficiencia Energética y Sostenibilidad en Arquitectura y Urbanismo (EESAP 11) y Congreso Internacional de Construcción Avanzada (CICA 4)
Natural farming @ Dr. Siddhartha S. Jena.pptxsidjena70
A brief about organic farming/ Natural farming/ Zero budget natural farming/ Subash Palekar Natural farming which keeps us and environment safe and healthy. Next gen Agricultural practices of chemical free farming.
UNDERSTANDING WHAT GREEN WASHING IS!.pdfJulietMogola
Many companies today use green washing to lure the public into thinking they are conserving the environment but in real sense they are doing more harm. There have been such several cases from very big companies here in Kenya and also globally. This ranges from various sectors from manufacturing and goes to consumer products. Educating people on greenwashing will enable people to make better choices based on their analysis and not on what they see on marketing sites.
Micro RNA genes and their likely influence in rice (Oryza sativa L.) dynamic ...Open Access Research Paper
Micro RNAs (miRNAs) are small non-coding RNAs molecules having approximately 18-25 nucleotides, they are present in both plants and animals genomes. MiRNAs have diverse spatial expression patterns and regulate various developmental metabolisms, stress responses and other physiological processes. The dynamic gene expression playing major roles in phenotypic differences in organisms are believed to be controlled by miRNAs. Mutations in regions of regulatory factors, such as miRNA genes or transcription factors (TF) necessitated by dynamic environmental factors or pathogen infections, have tremendous effects on structure and expression of genes. The resultant novel gene products presents potential explanations for constant evolving desirable traits that have long been bred using conventional means, biotechnology or genetic engineering. Rice grain quality, yield, disease tolerance, climate-resilience and palatability properties are not exceptional to miRN Asmutations effects. There are new insights courtesy of high-throughput sequencing and improved proteomic techniques that organisms’ complexity and adaptations are highly contributed by miRNAs containing regulatory networks. This article aims to expound on how rice miRNAs could be driving evolution of traits and highlight the latest miRNA research progress. Moreover, the review accentuates miRNAs grey areas to be addressed and gives recommendations for further studies.
Diabetes is a rapidly and serious health problem in Pakistan. This chronic condition is associated with serious long-term complications, including higher risk of heart disease and stroke. Aggressive treatment of hypertension and hyperlipideamia can result in a substantial reduction in cardiovascular events in patients with diabetes 1. Consequently pharmacist-led diabetes cardiovascular risk (DCVR) clinics have been established in both primary and secondary care sites in NHS Lothian during the past five years. An audit of the pharmaceutical care delivery at the clinics was conducted in order to evaluate practice and to standardize the pharmacists’ documentation of outcomes. Pharmaceutical care issues (PCI) and patient details were collected both prospectively and retrospectively from three DCVR clinics. The PCI`s were categorized according to a triangularised system consisting of multiple categories. These were ‘checks’, ‘changes’ (‘change in drug therapy process’ and ‘change in drug therapy’), ‘drug therapy problems’ and ‘quality assurance descriptors’ (‘timer perspective’ and ‘degree of change’). A verified medication assessment tool (MAT) for patients with chronic cardiovascular disease was applied to the patients from one of the clinics. The tool was used to quantify PCI`s and pharmacist actions that were centered on implementing or enforcing clinical guideline standards. A database was developed to be used as an assessment tool and to standardize the documentation of achievement of outcomes. Feedback on the audit of the pharmaceutical care delivery and the database was received from the DCVR clinic pharmacist at a focus group meeting.
WRI’s brand new “Food Service Playbook for Promoting Sustainable Food Choices” gives food service operators the very latest strategies for creating dining environments that empower consumers to choose sustainable, plant-rich dishes. This research builds off our first guide for food service, now with industry experience and insights from nearly 350 academic trials.
"Understanding the Carbon Cycle: Processes, Human Impacts, and Strategies for...MMariSelvam4
The carbon cycle is a critical component of Earth's environmental system, governing the movement and transformation of carbon through various reservoirs, including the atmosphere, oceans, soil, and living organisms. This complex cycle involves several key processes such as photosynthesis, respiration, decomposition, and carbon sequestration, each contributing to the regulation of carbon levels on the planet.
Human activities, particularly fossil fuel combustion and deforestation, have significantly altered the natural carbon cycle, leading to increased atmospheric carbon dioxide concentrations and driving climate change. Understanding the intricacies of the carbon cycle is essential for assessing the impacts of these changes and developing effective mitigation strategies.
By studying the carbon cycle, scientists can identify carbon sources and sinks, measure carbon fluxes, and predict future trends. This knowledge is crucial for crafting policies aimed at reducing carbon emissions, enhancing carbon storage, and promoting sustainable practices. The carbon cycle's interplay with climate systems, ecosystems, and human activities underscores its importance in maintaining a stable and healthy planet.
In-depth exploration of the carbon cycle reveals the delicate balance required to sustain life and the urgent need to address anthropogenic influences. Through research, education, and policy, we can work towards restoring equilibrium in the carbon cycle and ensuring a sustainable future for generations to come.
"Understanding the Carbon Cycle: Processes, Human Impacts, and Strategies for...
Comparación entre consumo energético teórico y real en viviendas sociales
1. A comparison between predicted and
measured energy use in social housing
Pablo Hernández-Cruz
Juan María Hidalgo-Betanzos
Carlos García-Gáfaro
Jon Fernández-Luzuriaga
Iván Flores-Abascal
2. Who are we?
Laboratorio de Control de la
Calidad en la Edificación del
Gobierno Vasco
Basque Government
Laboratory of Quality Control of
Buildings
Vitoria - Gasteiz
Basque Country
3. Who are we?
Laboratorio de Control de la
Calidad en la Edificación del
Gobierno Vasco
Basque Government
Laboratory of Quality Control of
Buildings
Thermal Area
Guarded hot box test Paslink Test Cell
Infrared Thermography
Blower door test
Tracer gas leak test
… and more
5. 1 2 3 4 5
Introduction
Rental social housing of the
Basque Country
11 buildings
855 dwellings
PCTI 2 Buildings selected
• Detailed analysis
• Comparison with EPC
Energy
Audit
234 buildings
7700 dwellings
6. Building A Building A
• Constructed in 2010
• 126 dwellings, 385 tenants
• Centralized boilers and solar
thermal system
• Constructed in 2004
• 228 dwellings, 498 tenants
• Individual boilers
Vitoria - Gasteiz
1 2 3 4 5
Description of the buildings
7. Building A Building A
Vitoria - Gasteiz
1 2 3 4 5
Description of the buildings
D – 99,80 kWh/m²·a
D – 21,47 kg/m²·a
D – 55,10 kg/m²·a
NRPEC
CO₂ Emissions
Heating demand
E – 260,9 kWh/m²·a
E – 219,2 kg/m²·a
E – 140,3 kg/m²·a
NRPEC
CO₂ Emissions
Heating demand
8. 1 2 3 4 5
Energy balance
Building A – Centralized system
Non-Renewable Energy Consumption
Final Energy Consumption
Delivered Energy
9. 1 2 3 4 5
Energy balance
Building A – Centralized system
Monthly energy
consumption bills
Energy and volumetric
BMS counters
Estimated by project
calculations
10. 1 2 3 4 5
Energy balance
Building B – Individual boilers
Delivered Energy
Final Energy Consumption
Non-Renewable Energy Consumption
11. 1 2 3 4 5
Energy balance
Building B – Individual boilers
Annual energy
consumption data
13. 1 2 3 4 5
Results
Building B – Individual boilers
Dwelling typology Dwelling orientation
0
5000
10000
15000
20000
25000
30000
NaturalGasConsumption[kWh/a]
Natural Gas Consumption Mean Natural Gas Consumption
2 bedrooms 3 bedrooms 4 bedr.
1u 2u 3u >3u 1u 2u 3u >3u 3u >3u
0
50
100
150
200
250
300
350
North -
South
South East West East
corner
West
cornerNaturalGasConsumption[kWh/m²·a]
14. 1 2 3 4 5
Results
Building A & B vs EPC
Building A Building B
Measured EPC Measured EPC
Non-Renewable Primary Energy Consumption
(CEPNR) [kWh/m²·a]
153,7 99,8 98,3 260,9
Final Energy Consumption
(CEF) [kWh/m²·a]
139,6 89,0 82,6 219,2
Heating consumption
(CEPNR) [kWh/m²·a]
25,5 55,1 39,5 140,3
15. 1 2 3 4 5
Conclusions
✓ Building A – Centralized system low performance
Current results Next steps
• Complete energy audit
• Monitor & analyse user
behaviour and thermal
comfort
✓ High dispersion of energy consumption among users
✓ Low heating consumption when compared to EPC
Energy poverty
16. Thanks for your attention!
For more information:
pablo.hernandezd@ehu.eus
termica@euskadi.eus