The purpose of this research was to conduct a pilot study of LEED certified homes in New England one to five years after occupancy to determine whether they continue to perform at the level predicted during the certif...The purpose of this research was to conduct a pilot study of LEED certified homes in New England one to five years after occupancy to determine whether they continue to perform at the level predicted during the certification process.Four criteria were defined to assess the performance of each home:(1)energy consumption for heating,cooling,lighting,electronics and appliances;(2)building envelope and air infiltration;(3)operations and maintenance;and(4)occupant satisfaction and indoor air quality.Both qualitative and quantitative methods including blower door and duct blaster tests,utility bill analysis,and an occupant satisfaction survey were used to measure the post-occupancy performance of seven LEED certified homes in New England.Discrepancies were found between the original building performance as determined at the time of certification and the current level of building performance.While this is limited,initial research,these findings indicate a need for further post-occupancy research that can provide feedback to green certification programs,allowing them to be modified as necessary to better reflect the actual environmental impacts of certified buildings.展开更多
This paper will discuss two Net Zero Energy homes in the United States.The aim is to discuss the differences and similarities in the construction type,energy use,active and renewable systems of the two homes.While eac...This paper will discuss two Net Zero Energy homes in the United States.The aim is to discuss the differences and similarities in the construction type,energy use,active and renewable systems of the two homes.While each of the homes is designed to achieve net zero site energy use,the design and systems are very different.Furthermore,the measure that is used to qualify a home as net zero energy does not account for the full scope of work on each home.It is suggested that a new set of metrics be developed to allow for a more robust understanding of net zero energy buildings,one that integrates passive design strategies,occupant health and comfort,and durability.The objective is to facilitate a broader understanding of efficient and sustainable residential design.This understanding is critical to bringing Net Zero Energy Buildings to the public.展开更多
This study examines the differences between two environmental assessment methods for the K-12 education sector:the United States Green Building Council’s(USGBC)LEED Schools Version 3.0 and the British Research Estab-...This study examines the differences between two environmental assessment methods for the K-12 education sector:the United States Green Building Council’s(USGBC)LEED Schools Version 3.0 and the British Research Estab-lishment’s(BRE)BREEAM Education issue 2.0.Credit requirements are compared side-by-side and against recom-mendations from researchers in areas such as acoustics,lighting and indoor environment quality.Strengths in the two schemes and areas for improvement are highlighted,with acknowledgement that each scheme offers components and techniques from which the other could benefit.展开更多
基金supported by the National Institute of Food and Agriculture,U.S.Department of Agriculture,the Massachusetts Agricultural Experiment Station and the Department of Environmental Conservation under Project No.MAS00012.Publication no.3473Support was also provided by the University of Massachusetts Healey Endowment Grant.
文摘The purpose of this research was to conduct a pilot study of LEED certified homes in New England one to five years after occupancy to determine whether they continue to perform at the level predicted during the certification process.Four criteria were defined to assess the performance of each home:(1)energy consumption for heating,cooling,lighting,electronics and appliances;(2)building envelope and air infiltration;(3)operations and maintenance;and(4)occupant satisfaction and indoor air quality.Both qualitative and quantitative methods including blower door and duct blaster tests,utility bill analysis,and an occupant satisfaction survey were used to measure the post-occupancy performance of seven LEED certified homes in New England.Discrepancies were found between the original building performance as determined at the time of certification and the current level of building performance.While this is limited,initial research,these findings indicate a need for further post-occupancy research that can provide feedback to green certification programs,allowing them to be modified as necessary to better reflect the actual environmental impacts of certified buildings.
文摘This paper will discuss two Net Zero Energy homes in the United States.The aim is to discuss the differences and similarities in the construction type,energy use,active and renewable systems of the two homes.While each of the homes is designed to achieve net zero site energy use,the design and systems are very different.Furthermore,the measure that is used to qualify a home as net zero energy does not account for the full scope of work on each home.It is suggested that a new set of metrics be developed to allow for a more robust understanding of net zero energy buildings,one that integrates passive design strategies,occupant health and comfort,and durability.The objective is to facilitate a broader understanding of efficient and sustainable residential design.This understanding is critical to bringing Net Zero Energy Buildings to the public.
文摘This study examines the differences between two environmental assessment methods for the K-12 education sector:the United States Green Building Council’s(USGBC)LEED Schools Version 3.0 and the British Research Estab-lishment’s(BRE)BREEAM Education issue 2.0.Credit requirements are compared side-by-side and against recom-mendations from researchers in areas such as acoustics,lighting and indoor environment quality.Strengths in the two schemes and areas for improvement are highlighted,with acknowledgement that each scheme offers components and techniques from which the other could benefit.
