48 ENERGY HOUSE 2.0 SPOTLIGHT: EHOME2


CREATING EHOME2 WILL CREATE A NEW BLUEPRINT FOR BUILDING HOMES AT VOLUME THAT ARE CAPABLE OF OPERATING AT NET ZERO CARBON LEVEL


SPOTLIGHT ON INNOVATIONS eHome2 is being built with an advanced timber frame solution, pre-insulated walls installed at the factory, and lightweight render-based bricks. The house was built in  weeks  half the time it takes to build a standard home.


MMC


eHome2 has used an advanced closed panel timber frame solution which can be pre-clad. The application of advanced MMC and lightweight cladding has reduced built time by  compared to an equivalent masonry build. The skills required to deliver the building are also different, again impacting our mix of trades on site.


A FABRIC-FIRST APPROACH arratt believes that a fabricfirst approach to building design, which involves maximising the performance of the materials that make up the building itself, is the key to building sustainably. eHome2 is built using a high-performing timber frame system – Scotframe’s I-Stud timber frame system – which meets Future ome Standard thermal values.


WWW.HBDONLINE.CO.UK WHOLE LIFE CARBON


eHome2 achieves 100% reduction in operational carbon through the use of solar  and an air source heat pump. The embodied carbon of the building is also significantly reduced through the use of a brick slip system, which has significantly lower embodied carbon compared to traditional brick. This brick system also lowers the whole life carbon impact in areas such as transport and waste. The reduction in brick thickness on the exterior of the building, also means we can add more insulation.


DUAL HEATING


eHome2 has the ability to switch between heat sources and renewable technologies, easily via the Smart Home app. The house is trialling two completely different innovative systems.


As an alternative to radiators, which can look unattractive and hinder where you place your furniture, the house has a combination of an electric-based system of nfrared anels on walls combined with an air source heat pump for hot water. In addition to this, the house is trialling a truly innovative Thermaskirt system that


heats skirting boards – both creating a more ambient heat in a room combined with a aillant aroT air source heat pump, which provides both heat and hot water.


DUAL VENTILATION


The home has two systems installed within the home to demonstrate the impact on internal air quality. Firstly, entAia ultivent, a centralised ventilation system, as well as entAia Sentinel Kinetic Advance Mechanical ventilation heat recovery system, supplying pre-heated fresh air to all habitable rooms while extracting from wet areas. The smart controls enable homeowners to switch between the two systems. This is part of Barratt’s commitment to use products within the house that deliver healthier environments for people by improving the air quality.


SMART HOME CONTROLS With the average consumer fitting a lot of technology in the modern home, there is a potential for conict between technologies, with multiple apps or interfaces on the wall.


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