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A Simple System

Vent Axia Lo-Carbon TempraTempra Heat ExchangeI am still not absolutely convinced by mechanical ventilation as I have talked about in previous blog posts based on my research. Though when done well I do think it is extremely effective (see previous post). I live with my husband in a two bedroom flat built to sustainable code for homes level 4. It has lots of insulation, an air source heat pump and trickle vents in all the windows. Continue Reading →

March 24, 2013

Not so mouldy Passivhaus

Justin BereJustin Bere spoke today at Ecobuild on the RIBA stand. I was really interested to hear about what he had to say about the article in the RIBA journal about the issue of airtightness and faulty MVHR systems being installed leading to condemned Passivhaus’s in Belgium (see my post Mouldy Passivhaus and why we need air. Justin has tested the Passivhaus’ that his practice have designed to find out what is happening to moisture. Continue Reading →

March 7, 2013

Straw Works – its back and its even better

2013-03-06 14.17.36I was really excited to hear the seminar by Barbara Jones of Straw Works today at Ecobuild. Barbara set up Amazonails previously and it was through this company that I learnt to build using straw bales and helped to build an extension to the Old Music Hall in Oxford and a showroom in Cropredy. Now running Straw Works it was really nice to see straw bale building in force again. So much so that Barbara has been approached by a housebuilder to build 200 houses. Continue Reading →

March 6, 2013

Wise Words from Bill Dunster

bill dunsterI listened to a seminar by Bill Dunster about the new Solar Zed roofs at Ecobuild today. These make a large reduction in the cost of installing solar because you are saving on the roofing material cost. This means that solar panels may only cost £80 per m2 extra or the example Bill gave was; it might cost say, £12,500 extra to install the solar zed roof which you can add to your mortgage, this would be less to pay per month than a mortgage on a house built to current building regulations with the energy bills on top. In addition you would be future proofing yourself against energy price rises which are agreed to be an 8-10% rise annually. Continue Reading →

March 6, 2013