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Domestic hot water

Traditionally, domestic hot water has simply been a choice between a combi boiler or a vented system (with the odd Point of Use water heater thrown in).

With water saving design, and zero carbonbit of a slippery fish. It tends to mean that a building uses no carbon (oil, coal, etc) to heat it (meaning […]

Heat stores

Patrick and Fiona’s house

Existing houses present a much greater challenge than new ones in terms of energy saving. However in terms of reusing building materials they often provide better opportunities.

Patrick and Fiona run a very pleasant bed and breakfast near Nelson, Caerphilly and their house has been the subject of much renovation and extension over the […]

‘Under the Sun’, Birmingham

Bringing existing houses up to a high standard of energy efficiency is a much greater challenge than with new ones.

This particular example of self build eco renovation is outstanding because of the way it will achieve a net zero carbonbit of a slippery fish. It tends to mean that a building uses no […]

The Tree House

The Tree House in Clapham, London is a recently completed and very elegant example of a self build detached house. It has, on occasion, been open to the public as part of the London Open House programme. Situated on a small urban plot of land dominated by a large sycamore tree it has taken […]

Rowangarth

October ’09

Jim and Jo Monahan are nearing completion of their passive solar house in Spinningdale, Sutherland. This is a timber frame,self build project which utilizes roundwood for many of the structural members. This is a way of using timber at its maximum strength because it is not cut across the grain. The timber […]

Passivhaus at Denby Dale

the front of the house with double storey[for the purposes of part B (fire) of the Approved Documents to the Building Regulations] this includes – (a) any gallery[for the purposes of part B of the Approved Documents] – A raised area or platform around the sides or at the back of a room which […]

Heat stores

In the UK there is plenty of heat energy to be harvested; it just doesn’t all come at the right time. Ideally you save all the surplus heat that comes along and then use it when there is a shortage.

Winter / summer balance

At one extreme is the interseasonal heat store such as was […]

Thermal Mass

Energy storage

High thermal mass is generally seen as a useful quality in a building because it can be utilised to trap and save any spare heat which might turn up.

It can also do the reverse equivalent for coolth during hot weather. This quality is utilised in passive solar design, including the PassivhausSee more […]

Energy Harvesting

There are several methods of harvesting energy for a house but non of them are as important as providing excellent levels of insulation, air tightnessA measure of how leaky a building is to air. In other words, how draughty it might be. There are now standard fan pressure tests to check how air tight […]