8. Passiv Haus / Gold Standard Housing Hockerton and BedZed….zero CO 2 ? BedZed and Hockerton, zero-CO 2 Housing schemes
9. Bringing the housing stock up to date A bout 87% of today's houses will still be in use in 2050, they must be refurbished up to a standard equivalent to 2004 new build, with widespread double or triple gazing, full cavity wall filling, 300mm loft insulation and so on
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12. Insulating Masonry Walls Wates House CAT 1976 450mm Dritherm 150mm Rockwool at CAT Restaurant 1978
21. House in Furnace, W. Wales Oak frame Wool and cellulose insulation 300mm Low-E laminated oak joinery Limecrete foundations and slab Lime renders, eco-paints Local ash floors & joinery Underfloor heating from heat pump Solar DHW PV array £1500/m 2 (2001)
22. Ground Source Heat Pump (GSHP) 600m of pipe laid in a 150m trench to a depth of 2m, connected to a 7kW single phase Stiebel Eltron heat pump
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26. Autonomous Environmental Information Centre (AtEIC) Centre for Alternative Technology Machynlleth, Powys A zero CO 2 building: Thick insulation (sheep’s wool, cellulose, low-e windows) Passive solar heating – thermal storage in the pisé elements High daylight levels Active solar space heating / heat main / biofuels boiler Benign, low-embodied energy materials: Rammed earth (pisé) structure Home-grown timber construction Local oak roofing No cement (limecrete and lime renders, clay plasters) No PVC
28. Active Solar Space Heating Autonomous solar building 120m2 solar roof, 5m3 heat store, underfloor heating Heat main Woodchip district heating boiler