Roadmap to Zero Carbon: Dynamic Breathing Buildings

Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future Roadmap to zero carbon - DYNAMIC BREATHING BUILDINGS Dr Mohammed Imbabi Presentation to Futurebuild 2008 27th February 2008 Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future 1 Dynamic Breathing Building (DBB) Concept Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future Conventional Building – the Status Quo static envelope air handling / HVAC indoor space ( air flow energy flow ) Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future 2 Dynamic Breathing Building – the Future DBB system dynamic envelope air handling / HVAC indoor space ( air flow ) energy flow Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future Example DBB Systems DBB system 1 air handling / HVAC fan heat recovery unit dynamic envelope heating/cooling stage (optional) indoor space ( air flow energy flow ) Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future 3 Example DBB Systems DBB system 2 air handling / HVAC DHW LPHW dynamic envelope heat exchanger heat recovery unit heat pump Cistern fan indoor space ( air flow energy flow ) Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future Dynamic Insulation – How it Works fabric heat loss ventilation load heat recovered to air (outside) (inside) Static insulation envelope (outside) ventilation load fabric heat loss (inside) dynamic insulation envelope Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future 4 The Energyflo™ Cell (Type EF03-SD) • A multi-functional product that replaces conventional wall, roof and floor insulation in all building types. • Transforms the envelope into a heat exchanger, fresh air ventilation source and filter of airborne pollution. 600 mm square and 95 mm thick [140 mm with air cavities] • Transforms the building into a sustainable, clean, energy efficient DBB. Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future Dynamic U-Value – How Low Can You Go? Elemental Dynamic U-Values for Typical Wall Construction 0.5 2003 Building Regulations (UAE) 0.45 0.4 U-Value (W/sqm.K) 0.35 2007 Building Regulations (Engand) 0.3 2007 Building Regulations (Scotland) 0.25 0.2 0.15 0.1 95mm Cell 0.05 Operating range 135mm Cell 0 0 0.0005 0.001 0.0015 0.002 0.0025 0.003 0.0035 0.004 0.0045 0.005 Airflow velocity (m/s) Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future 5 Dynamic Filtration – How Clean Can You Get? PM Filtration Test Result for 40mm DI Media at 0.004m/s Operating range Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future Batt Variants (Types EF01-SD, EF01-SS) Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future 6 Application to Traditional Cavity Walls Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future Construction Details for Different Wall Types Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future 7 Application to Pitched Roofs (Retrofit Option) Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future Case Study 1 - CALA Hazledean House Go to www.dbb-project.com for further details. Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future 8 DBB Roof System Stale air MVHR unit Tiles Energyflo™ cells Fresh air Supply Extract Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future 9 Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future 10 Measured Thermal Performance 0.45 ! 0.23 W/m2K Late summer week to 10/09/07, 0.58 ach 40 35 Temperature (C) 30 25 20 15 10 5 attic outside supply b4 0 0 1 2 3 4 5 6 7 Day Number Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future Measured Thermal Performance 0.45 ! 0.30 40 W/m2K Mid-winter week to 12/11/07, 0.43 ach attic outside supply b4 35 Temperature 30 25 20 15 10 5 0 0 1 2 3 4 5 6 7 Day Number Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future 11 IR Thermal Images of the Roof Blower fan switch on, ‘static’ ‘dynamic’ house house Reference house 15 minutes after on, ‘dynamic’ Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future Thermal Performance in Heating Mode From the 2 week weighted average and 12 hrs daily occupancy. UK Average Dwelling, DTI (2005) Scottish Building Regs(1) CALA Hazeldean House Heating Energy (kWh/m2.yr) 141 78 48 Operating Cost (£/ m2.yr) 6.5 3.6 2.2 Carbon Emission (kgCO2/m2.yr) 34.4 19.1 11.7 Improvement in Performance (%) - 45% 66% (1) Calculated assuming 100% compliance using the degree day method for 12 hrs occupancy at 0.5 ach. Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future 12 Measured Filtration Performance 91% Efficiency Nano-Particle Filtration 10000 supply duct outside Particle Concentration (pt/cc) 8000 6000 4000 2000 0 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Time Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future Case Study 2 – The UAE Trial Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future 13 The Energyflo™ Cell in Cooling  Low cooling power demand;  Low moisture deposition risk in walls;  Low running and capital costs;  Peak shaving of electricity demand. RH (%) Measured Relative Humidities, 19 - 21 September 2006 100 Outdoor Thru Cell Dry Wall Indoor 80 60 40 Temperature (oC) Measured Temperatures, 19 - 21 September 2006 20 50 Outdoor 0 40 00:00 12:00 Thru Cell Dry Wall Indoor 00:00 12:00 00:00 12:00 00:00 Time (hh:mm) 30 20 10 0 00:00 12:00 00:00 Time (hh:mm) Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future Thermal Performance in Cooling Mode ~270  Reduces capital and operating costs.  Big benefits for power infrastructure. Dynamic Facade (%) Insulation Cost (USD) Installation cost savings (USD) 25% 98,000 50% 75% kWh/m2-yr Energy savings / hr Energy CO2 savings / yr savings / yr (USD) (Tons / %) (kWh) (USD) 237,150 245 13.2 38,149 316 / 17% 196,000 453,375 468 25.3 72,932 605 / 32% 294,000 669,600 692 37.4 107,715 894 / 48% Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future 14 Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future Conclusions • ENERGY & HEALTH addresses the whole sustainable agenda, not just carbon • MITIGATION & ADAPTATION reduces CO2 / creates buildings that adapt to extant climate change • NEW BUILD & RETROFIT 75% of commercial / 85% of residential buildings built alreadyin 2030 • COST & PERFORMANCE an integrated, affordable approach to low carbon building design    Compliance with Regs More efficient land use Reduced build costs Profit Society Owners Developers    Reduced energy bills Low carbon footprints Clean healthy spaces Value    More energy security Low carbon economy Clean environment Wealth Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future 15 Contact the EBP Team Edinburgh Office future build0 8 F260 EBP Ltd (Sales) Westpoint 4 Redheughs Rigg Edinburgh EH12 9DQ T 0131 338 6124 F 0131 338 6700 Aberdeen Office EBP Ltd (R&D) FNB King's College Aberdeen AB24 3UE T 01224 27 2506 F 01224 27 2497 enquiries@environmental-building.com www.environmental-building.com Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future Clean technologies for the high quality, low carbon, Dynamic Breathing Buildings of the future 16