Energy Efficiency
Briary Energy Consultants of Barnet, Hertfordshire have completed a SAP and Code for Sustainable Homes (CSH) assessment for the German Premium Manufacturer Stommel Haus and certify 4 and 5 star CSH with the standard fittings. Code 6 can be reached by adding items such as solar panels, rain water collection, wind turbines or other additional features.
Provided you have the right plot and matching architectural design we can also achieve Passivhaus standard.
Gary Nicholls, Lead partner of Briary Energy Consultants says: "We at Briary Energy were very impressed with the ingenious design of the Stommel Haus walls. When assessing the homes we found that they not only achieve high ratings in the code for sustainable homes but are built with sustainable, eco friendly, and energy efficient materials. Briary Energy has the expertise, understanding and approach to help promote the requirements and benefits of sustainable development in order to support Stommel Haus's efforts to fulfil and even outperform the current Building and planning regulation requirements."
Briary Energy are Low Carbon and Sustainability Consultants with offices in Barnet, Hertfordshire. (www.briaryenergy.co.uk)
Also see our press release at Pressbox.co.uk.
The Stommel Haus home built for our clients in Leicestershire is finalist in the Green Footprint Award 2013 of the North West Leicstershire Council.
Cosy and warm in winter - pleasant and cool in summer. The interior climate and comfort is a trade mark of Stommel Haus.
Besides the healthy climate, a Stommel house is very energy efficient due to its state-of-the art insulation of walls, ceilings and roof and allows its owners to significantly save on heating costs. Compared to a standard brick building, the heating cost is only a third or even less, depending on many factors such as your personal requirement for warmth, your preferences for airing the house and so on.
Let's put some facts and figures to this:
The insulation properties of walls is given by the so called u-value. The u-value indicates the energy loss through thermal transfer in Watts per m² Kelvin. The smaller the u-value, the better the insulation.
A typical Stommel house wall has a u–value of just 0.17W/m²K (between studs) compared to 0.45 W/m²K for a conventional brick wall.
The energy consumption for heat and hot water depends on the relationship of the exterior walls to volume, the heating system and other issues. For a Stommel standard house without a cellar, no insulation in the service layer of the wall, with double glazing and the standard air heat exchanger pump, the energy consumption is around ca. 65 kWh/m² compared to 250 kWh/m² for a typical brick built house in the UK. With some additional and optional measures the houses can be further upgraded to have an energy consumption of 60, 40 even down to 33 kWh/m².
Such highly insulated buildings obviously need far less energy for heating. In order to make comparisons, let's take the standard figures for oil heating per m² per year: A standard Stommel house would require 6.5 litres of oil/m² compared to 25 litres of oil/m² in a standard UK brick building, i.e. your heating cost would be about a quarter of the brick built house. If your current house is really badly insulated, the gain could be even more.
Of course, we would not recommend heating a Stommel house with oil, and instead would like to convince you to heat your house using heat exchanger pumps rather than fossil fuels. Our quotations for standard Stommel houses include an air source heat exchanger pump.
