Rating Energy and Environmental

TREES vs BREEAM 1
The Efficiency of Solar Energy in Residential Dwellings
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TREES vs BREEAM 2
ABSTRACT
Regarding current energy and environmental sustainability concerns, architectural building
designs are mostly considered to provide the required immediate solution to energy efficiency
and environmental sustainability. It is a datum that the process constructing a building consumes
a considerable large amount of resources in terms of materials; some cases devalue indoor
environment quality (IEQ) and, at the same time, produce large volumes of unwanted wastes.
Considering these negative impacts, it took a delegation of like-minded architects, engineers and
environmentalists to formulate the most immediate mitigation strategies to curb the by then first
rising menace. The convention came up with various proposals to help in conserving the
environment and at the same time achieving energy efficiency out of the structural buildings; as
a result of the green convention building was introduced as the immediate solution to pollution
and energy problems from high rise buildings. Since a solution was urgently needed, engineers,
practitioners and architects quickly adopted the concept of the green structure through its
implementation as still unclear and diverse, and for this rush, the green building was just a
promise that still lacked proof of evidence in solving the so mentioned problems. It had to take
another direction to give the green building concept clarity. Energy and Environmental rating
systems were proposed as a campaign to quantify the new green building concept. Different
actions and considerations made before they were weighted for rating purposes. Afterward, the
green building concept was quantified. This publication presents only the effect of solar
efficiency in design of dwelling buildings but also to analyses the rate of energy consumption in
Thailand through Thai’s Rating Energy and Environmental Sustainability TREES, efficiency of
solar energy in construction space and the reviews of energy consumption in environmental

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sustainability in United Kingdom through Buildings Rating of Energy and Environmental
assessment methods BREEAM. It outlines in detail the appropriate recommendations drawn
from the two energy, as mentioned above efficiency techniques on how best to attain power and
environmental sustainability for the future generation.

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Contents
ABSTRACT....................................................................................................................................2
Contents...........................................................................................................................................4
LIST OF FIGURES.........................................................................................................................6
INTRODUCTION...........................................................................................................................7
Energy consumption and sustainability.......................................................................................8
Common Goal..............................................................................................................................8
Thai’s Green Building Institute...................................................................................................9
TREES – NC..........................................................................................................................10
TREES – Pre NC...................................................................................................................10
TREEs –CS............................................................................................................................11
TREES – EB..........................................................................................................................11
LITERATURE REVIEW..............................................................................................................12
Overview....................................................................................................................................12
Passive Solar Energy System.....................................................................................................14
Thai’s Rating Energy and Environmental Sustainability (TREES)..........................................19
Building Research Establishment’s Environmental Assessment Method (BREEAM).............21
Obligations of BREEAM.......................................................................................................22
Scorecard of BREEAM.........................................................................................................24
Assessment and BREEAM accreditation..............................................................................25

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The Design for Efficiency.........................................................................................................27
Solar Envelope Components..................................................................................................29
The residential dwellings.......................................................................................................30
Ultra-efficient homes.............................................................................................................32
METHODOLOGY........................................................................................................................35
Rating of energy and environmental sustainability: a Case study of Bangkok Green
Condominium............................................................................................................................35
DISCUSSION AND FINDINGS..................................................................................................37
Assessment from potential investors.........................................................................................37
Occupants’ assessment..............................................................................................................38
Practical implications.................................................................................................................39
Pro and Cons of TREES and BREEAM....................................................................................39
Comparisons of TREES and BREEAM....................................................................................41
CONCLUSION AND RECOMMENDATION............................................................................43
REFERENCE................................................................................................................................44

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LIST OF FIGURES
Figure 1Various TREES certifications..........................................................................................11
Figure 2 Status of urban sustainability, China...............................................................................14
Figure 3 Rollable solar control with metal office..........................................................................15
Figure 4 Contribution of architectural designs in Green Buildings...............................................18
Figure 5 Mobi Sathorn building, Thailand....................................................................................20
Figure 6 Sustainability assessment criteria....................................................................................22
Figure 7 Warsaw towers BREAM certified building....................................................................24
Figure 8 Media City, UK. Fully Green city...................................................................................26
Figure 9 General structure of energy efficient home.....................................................................28
Figure 10 Adjustable roof design for Green Building...................................................................29
Figure 11: Solar efficient home.....................................................................................................31
Figure 12: Solar panels on home roofing......................................................................................32
Figure 13: Natural heating and cooling system.............................................................................33
Figure 14 Construction project of ultra-efficient residential units................................................34
Figure 15: Plan for 27 million energy efficient homes in UK.......................................................40
Figure 16: Energy efficient modular home design........................................................................41

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INTRODUCTION
Energy efficiency in buildings has become an essential element for consideration in the
architectural and real estate industry. Apart from making designs and models of houses and
homes, modern architects have also resorted to consider how efficient their design strategies not
including landscaping only but also the outlines of skylights, doors, and windows that will
eventually contribute to the efforts of energy conservation (Brum et al., 2015). Many have
regarded that it is in large industries and manufacturing plants is where we lost a lot of energy.
However, the latest research released by the amnesty international on energy consumptions
revealed that millions of megawatts are being lost annually through improper design of our rental
homes, earth-sheltered, lo homes and even manufactured homes thus they made a call that before
considering working on new home models, it’s of importance to find the overall energy
efficiency of the entire structure (Tam et al. 2107).
With the fast-developing societies is associated with the high equivalent demand for energy and
the consumption as well. In 2015 Eurostat reported that about 25% of the total use of energy in
Europe was attributed to residential buildings alone. Asia and Europe over the past decades have
tried to put in place measures to regulate and control the rate of energy consumption through
European and Asian Directive on Energy performance on Buildings that was established in 2002
and then had its recast in 2010 (Yang & Zhang, 2016). The efforts of this task force were more
on the construction industry and majorly on new structures. However, almost 45% of the total
residential buildings in the United Kingdom ware constructed on or before the year 1970sand
during this period there were limited insulation techniques and standards for residential dwelling
buildings (Eicker, Demir & Gürlich, 2015).

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Energy consumption and sustainability
The simplicity of having efficient energy consumption and a sustainable environment involves
having a viable site, material and resources, energy and atmosphere, indoor environment quality,
innovation and water efficiency. The flexibility of making buildings to comply with a different
set of sustainable standards makes many engineers and designers have the best alternative
approach that can correctly help in solving these environmental problems witnessed today.
Though the use of performance-based assessment has enabled the designer to compare their
design works with the already certified structures thus guiding the basis of their models (Parra,
Walker & Gillott., 2014) By reviewing the mechanisms, compositions, technologies and
practices within green building projects give the best precedence in the design and construction
of the more sophisticated buildings for the future. The whole issue of green building should not
be viewed as a voluntary event that only the investor or the owner to solely control but it should
be a documented policy to guide and control the amount of pollution that is caused by the
unapproved structures (Pacheco et al. 2015). The importance of green buildings is that a large
portion of energy can be generated through these buildings for construction use and even
dwelling applications such as heating and cooling of the rooms.
Common Goal
There have been initiatives rolled out by various governments and agencies to ensure that
efficient energy consumption is attained in residential dwelling homes all across Europe and
Asia. This publication emphases on the impacts of proposals of Building research establishment
environmental assessment method (BREEAM) in the United Kingdom UK and Thai’s rating of
energy and ecological sustainability (TREE) in Thailand (Allouhi et al. 2015). Through these
two initiatives, many countries have witnessed a steady increase in the structural renovations and