The Solar - Eco - Dream Home / Life - 1995 Why ? 52

WITHOUT DESTROYING THE EARTH Future World Choices Let’s Run the World.. HARVESTING NATURE’S BOUNTY 250 miles x 250 miles All it Takes WITHOUT DESTROYING THE EARTH WITH SOLAR ENERGY

A SHARED DREAM - TEAM WORK NECESSARY CHANGES: Planners / appearance Building Regs (Fire / structural / weight) Utilities (First Connection Contract – SE) A E S AD BRIT GAS BP Designed and Tested Support System (EETS) Built and Connected in-situ (CAT) Ventilated Ridge Tile (Redland Roofing RR) Integrated PV and Solar Hot water (AES + BP) AC System Design & Testing (Alan Dichler AD) GAS / SHW integration (Yorkpark – YP) Skylight Integration (Velux) EETS YP CAT A SHARED DREAM - TEAM WORK Lifestyles and Electric Car Dreams Do Well By Doing Good

Solar system AC output and consumption profile for best summer day SOLAR OPPORTUNITIES ARE SEEN AS TECHNOLOGICAL + BEHAVIOURAL Not Architectural ? Typical summer output Summer consumption 2000 1800 1600 1400 1200 Watts 1000 USE YOUR OWN ENERGY SHIFT AND SHAVE LOAD 800 600 400 200 6 8 10 12 14 16 18 20 22 24 2 4 6 Solar system AC output and consumption profile for best summer day Hour of day 20

But the Secret of a Successful Solar House lies in the Building Itself And its Ability to Harvest, Manage and Store Energy (Passive Design) Double Efficiency Machines Generate Solar + Use Generate Solar + Store + Use

STEP 1: Design a Good Basic Building The Elements of the Building you cannot change: Plan – Footprint Section - Connections Orientation / Openings / Mass Emissivity / Absorptivity are critical to the Basic Thermal Pulse of the Building UK - Good UK –So/So ? UK - Bad Overheats Overheats too much

Building Form and Orientation Minimum Surface To Volume Area Calorific Cascade Cold Air Lock Hot Air Lock Warm Core Coupled to the Stove Radiator 17

ORIENTATION Extra Solar Gain in Winter Avoiding Overheating in Summer

Envelope Choices Raincoat Overcoat All non-airlock windows – reasonable size Overcoat No cold bridges – even in floors SHADING Large glass windows into hot airlock only No West Facing Windows – reduced heat gain 17

Ventilation Strategies COOLED AIR FROM GARDEN COOLED AIR FROM GARDEN Summer Hot Spell Radiator Warm Flue Winter Stack Ventilation In Hot Spells Good Cross ventilation flow Radiator Hot Spell 18

Energy Loads, Costs and Impacts Vary in 3 Different Level 1 Buildings Much Extra Energy Needed Upper Limit In Local Climate Some Extra Energy Needed Acceptable Amplitude for a Good Building No Extra Energy Needed Lower Limit In Local Climate So/So Building Good Building Bad Building

THE OXFORD ECOHOUSE - A WELL BEHAVED BUILDING

DESIGN LEVEL 2: ADAPTIVE OPPORTUNTIES Elements you can Change for Climate Control U-values / Occupancy / Internal Loads / Opening Windows / Infiltration / Furnishings / Local-Central Heating /Cooling systems / Shades / Curtains / Blinds / Conservatories / Porches / Landscape.. Machines are only level 2 / replaceable elements

Same LEVEL 1: SO/SO Building can be a Good or Bad Energy Building Depending on the LEVEL 2 Adaptive Opportunities it offers occupants Mechanical Cooling Passive Solar Heating with good summer shading and orientation so no over-heating - thermal mass BAD SOLAR BUILDING Natural Ventilation – opening windows – with shutters / shade / curtains to Pre-heat / cool air Mechanical Heating GOOD SOLAR BUILDING Mechanical Cooling Mechanical Heating Too Many HVAC Engineers High Energy Building Low Energy Building

STEP 3: THE THINGS TO DO WITH THE MIND SENSATION: Involving Feelings, Perception, First Impressions View – Art - Sounds - Scents –Style - Colour – Light - Formal Composition of Shapes - Decoration - Furnishings - people / events associated with the building etc. WELL BEING Deeper sensation WOW Immediate Impact DELIGHT Too Many Architects SOLAR OFTEN CONFLICTS WITH ‘WOW ASPIRATIONS OF ARCHITECTS

20 YEARS ON – THERE ARE OVER A MILLION SOLAR HOMES IN BRITAIN SHARING THE DREAM

THE SOLAR HOME DREAM JUST KEEPS GETTING BETTER Inverter that continues to work When the grid fails (with some battery capacity) Update Gas Condensing Boiler SMA Battery Installed Range of local heating And cooling technologies LED lighting throughout Electric car charging point DC equipment and lighting loops

http://www.sma.de/en/products/solarinverters/sunny-boy-3600-5000-smart-energy.html

First Day Most Recent Reading Daily Production 12.284kWh Reading from the 21 year old 4 kWp system on the Oxford Ecohouse Most Recent Reading Daily Production 11.11kWh

Charging Electric Bike Iron Shirt for Work

OXFORD ECOHOUSE - DESIGNED AND BUILT TO MAKE CHANGE HAPPEN

Are schools of Architecture the Problem ?

Do All our Brilliant Young Architects want to be Trained to be CAD Monkeys + Hairdressers ?