living area; and reduced capital costs. In wanted to prove exactly how it reduces con- to test the performance of the Energyflo
™
addition it significantly reduces the energy struction costs for both plant and materials cell’s cooling mode. The results indicate that a
needed for heating and cooling and lowers the and maximises floor plate efficiency giving Dynamic Breathing Building system incorpo-
whole life running costs across all climates and improved returns on investment.” rating an HVAC system will have significant
seasons. Studies in the UK have shown that The house was fitted with a DBB roof benefits: cooling power demand will be
five to six degrees Celsius of heat energy are system comprising around 400 Energyflo
™
reduced and peak shaving of demand during
returned to an average house and heating cells between timber rafters that, together with the hottest part of the day will be achieved.
energy is reduced by more than 30% against an extract Mechanical Ventilation Heat In addition the risk of moisture deposits in
the design standard. Recovery (MVHR) system, was designed to walls will be reduced and indoor air quality
significantly reduce the space heating require- improved. The cost of cooling plant will be
Edinburgh house ment of the dwelling. lowered and running costs over the life of the
A four-bedroom detached family home, in Test results proved the effectiveness of the building will be reduced. As a result of the
Balerno, City of Edinburgh, is the world’s system. The house has been continually successful completion of the trial, EBP is now
first Dynamic Breathing Building. The house monitored for the past two years. Analysis of undertaking a feasibility study to examine
was built by CALA Homes, one of Scotland’s the data showed that the effect of the Dynamic how to incorporate the DBB system into an
premier house builders, to test and demon- Breathing roof on its own was to move the Apartment Building in Dubai. The project is
strate the DBB concept in conjunction with Target Emission Rate (TER) from Level 1 to due for completion later this year.
EBP and the University of Aberdeen. The Level 2. The project was rated as “exception-
project was launched in July 2006 and was al” by the Carbon Trust, which has adopted it Research and Development
awarded support by the Carbon Trust by formally as a Carbon Trust Case Study. It has EBP maintains active research programmes at
demonstrating its potential to facilitate the also been adopted as a Scottish Construction the forefront of technological innovations for
progress of low carbon technology towards Forum Exemplar Demonstration Project. the built environment. Collaborative
large scale deployment. Energy required for cooling is also reduced. programmes are under way with the
“The aim of the project was to establish In 2006, a trial was undertaken in partnership University of Aberdeen, Heriot Watt
how effective the DBB system is in enabling with UAE University, the Dubai University in Edinburgh, the UAE University
developers to implement a carbon reduction Municipality, Al Hammed Contracting in Abu Dhabi and the Korean Institute for
strategy,” explains Andrew Peacock. “We Company and Aberdeen University, in order Energy Research.
Sustainable Business ❘ November/December 2009 35
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