Today is the 14th of October, we are in the west coast of Ireland and our six metre square flat panel are reaching temperatures in to the high fifties (Celsius) supplying almost all of our small family needs. In fact our panels have supplied enough heat for most of September and October so far with the exception of just two or three days when we had to rely on our wood pellet boiler to meet the shortfall. That was possibly for just one half of an hour as it was required to just heat the already tepid water.
Now here’s the thing! If you live in Ireland then you know about Irish weather. If you don’t, please let me explain. In Ireland when you least expect to get fine weather you can have a glorious day like today. Unfortunately the converse is also even more true. Our summers can often feel more like winter at times, cold, wet and windy. This is something that the literature about solar panels from most suppliers doesn’t tell you.
Before we installed panels in 2006, there were very few panels already installed. All of a sudden courtesy of generous grants from Sustainable Energy Ireland, there were suppliers everywhere.
Most suppliers suggested that panels would supply 70% of our needs. Not sure where they get that figure from but I suppose it’s near enough the mark. However it was the suggestion that from March until October the panels would supply 100% of out hot water needs. NOT BY A LONG SHOT! Not in Ireland in any case. For the past few summers, during June, July and August, we have had substantially less hot water than in months like March and October.
If you get an “Irish Summer”, you may not see the sun for weeks. It is true to say that the panels are working but at nowhere near the capacity even to fill a sink to wash dishes.
The other argument that swings over and back is the superiority of flat plate collectors over evacuated tubes or vice versa. There has been several independent pieces of research carried out on this and the reality is that there is no significant difference in performance.
It is interesting to visit many of the trade shows that have sprung up over the past few years and listen to salesmen spending more time berating their competitors’ products but having very little to say about their own.
The best advice when talking to potential suppliers is ask them for sources of independent verification, If they can do this, then they may well know what they are talking about.
Talk to people who have panels already and ask their advice but do be wary that some people who have made dreadful mistakes, might not readily admit it.
Try and use a locally-based company who have some track record in this or other businesses. Local businesses are easier to chase if there is a problem and they are often less likely to risk getting a bad name in their home town – especially in Ireland.
I chose a local family-run (mum, dad, son & daughter) business to supply both wood pellet boiler and solar panels and I’ll have to say the product and service was pretty good. What I found with the small business, they were pretty keen to get feedback. There were a free initial teething problems but they were pretty keen to sort out these problems early on.
One of the difficulties is that many renewable energy products are manufactured (albeit to a very high standard) in countries such as Austria and Germany. In some cases the literature is not always translated to a good technical standard and also the appliances themselves may not take into consideration conditions in their host country such as water quality e.g. high iron and manganese content
Wednesdays from 7th October to 11th November | 7.00 – 9.00pm
€180 (10% reduction Cultivate and ÉASCA members) | To book call: 01-6745773
This course uses Patrick’s popular book, The Energy Efficient Home, as the core reading. By the end of this series participants will have the confidence and knowledge to make the big decisions in managing a new build or renovation. Dr Patrick Waterfield is a Chartered Engineer and a Fellow of the Energy Institute. He is the author of 14 conference and journal papers and numerous periodical/magazine articles.
Session 1 | Site and Built Form – Microclimate, Passive Solar Design
Session 2 | Construction and Renovation – Materials, Insulation and
U Values
Session 3 | Features and Elements – Windows and doors, extensions,
conservatories, sunrooms and attic conversions
Session 4 | Heating and Ventilation Systems – Hot Water, under floor heating, heat pumps and natural and mechanical ventilation
Session 5 | Renewable Energy and Energy Efficiency – Solar thermal, solar PV, biomass, wind, lighting appliances and best use of
daylight
Session 6 | Energy Rating and Wider Environmental Issues – Water Saving, Recycling, Building Regulations and Energy Auditing
Designing and building sustainably is often an afterthought or at most a “consideration” for many people. “We would like to have an ecological house but ….” Solar panels for water heating are sometimes given the same consideration as a sun roof in a car, “would be nice”.
Renewable energy technologies and type of building materials need to be part of the design package. If they get relegated to “add on” status, then they no longer become useful and may well just appear as expensive optional extras.
One of the essential considerations when designing a home for yourself is “future-proofing” at design stage. We may, for example like to plan for a time in our life when we are not as agile as we are now so that we have fewer steps and good space at ground level or consider possibility of changes in lifestyle enforced by the global economic downturn, where prehaps a space could be easily converted to a workspace for home office or for childcare.
Similarily our design needs to enable our family home to be more resilient to a time when we will no longer afford be dependent on fossil fuels to meet our energy needs.
Picture yourself and you family, where you will be in a decade or so from now and to consider what you need to include at design stage now.
Congratulations to Peter, Alanna and all involved in the Eco Living Festtival which took place over the weekend. The festival took place in the scenic little village of Drumsna on the banks of the majestic Shannon River near Carrick-on-Shannon in Co. Leitrim.
There was something of interest for anyone interesting in ways to live more sustainably. I was particularly interested in a demonstration on how to build your own wind turbine. Suprisingly, it doesn’t seem to be so difficult, especially when explained by the people at Eirbyte.
Is it practical? Is it affordable? Is it sustainable? Yes to all, I would say. Lets all step out of the mode of mass production for a moment. Yes we could order something like these from China. But what is every local community started to teach local people how to build turbines locally.
The blades are manufactured using timber and many of the other componnents could be derived from recycled materials.
According to the people at Eirbyte, one doesn’t need to be an expert, many of the skills are taught at workshops throughout the country.
Within most local communities however, we havethe expertise, We have carpenters, welders, electricians, mechanics and engineers, many of whom are underemployed at the moment. By consolidating these skills, local communities could become more resilient.
For more information on the Eco Living Festival and on building your own wind turbine, please follow the links below:
House Design has teamed up with “Green Books” to provide a wonderful selection of books covering all aspects of Ecobuilding and Sustainable Living. Green Books are an independent UK publishing company, producing books on a wide range of environmental and cultural issues. From time to time we will be featuring books, which we believe will be useful to our readers. By clicking on the title here you will be brought to the Green Books site in the UK where you can order the books from their website, using the secure store.
A new Social Housing project in Dublin, Ireland is applying rainwater harvesting, solar panels, sheep’s wool insulation and using on-site communal composting as part of a new initiative by Dublin City Council to provide sustainable social housing and replace the homes originally on the site which were demolished in 2005.
In addition, much of the timber from the old apartments was recycled and used again in construction, while two previously used Georgian doors create an archway into the central garden area. Twelve stainless steel water casks are used to collect rain water in the courtyard, while large amounts of sheep wool are inserted into the external walls to provide added insulation.
The energy-saving features are expected to reduce fuel costs by up to 70 per cent and cut CO2 emissions by over 50 per cent.
Do we really need all these new “green technologies” in order to be more energy efficient?
Not necessarily is the view of a group of academics and sustainable energy practitioners who suggest that money spent on micro-renewable energy systems would be put to better on extra insulation and draught-proofing
Speaking in Trinity College at the Trinity Week Academic Symposium “Low Carbon Society: Waste Not Want Not in association with Trinity Haus, it was suggested that attempts to make buildings more energy-efficient by installing expensive “green technologies” have resulted in the rise of “eco-bling”.
The symposium heard some expensive technologies such as photo-voltaic cells, which take energy from sunshine, can take up to 50 years to pay for themselves in saved energy costs. However, photo-voltaic cells often have a useful life of just 20 years, making them effectively “eco-bling”.
In his lecture, “Nega Watts – the antidote to Eco-bling” Howard Liddell of Gaia Architects said preventing heat loss was by definition among the best ways to achieve energy efficiency.
He said he had never seen a heat pump in operation which offered a return as good as three units of energy output for each unit which went in, yet these were regularly advertised as “four units of output for one unit in”.
Photo-voltaic cells which make energy from sunshine offered a 50-year payback, but all too often have a 20-year useful life.
He was critical of new housing schemes which advertised “10 percent of energy from renewables” when research showed clearly the best way to achieve energy efficiency was simply to reduce waste.
This is valuable advice if you are designing your own house. Be wary about what companies out there are trying to tell you. Always ask from where salespeople are getting their figures and check them out yourself.
An organisation entitled the Spirit of Ireland is developing an alternative economic vision for Ireland.
From the Irish Times Monday, May 11, 2009
They are planning to capitalise on Ireland’s capacity to jointly harness Ireland’s uniquely favourable wind-flow, and the potential for hydro-electric generation offered by ice-sculpted valleys running into the Atlantic. (more…)
House Design Online welcome the proposals from the European Parliament that all houses be ‘zero energy’ by 2019.
How practical is it and will full implementation ultimately cause any significant reduction in C02 emissions.
Leonardo Energy, the premier web site delivering a range of virtual libraries relating to electrical energy raises a few questions about the proposal. (more…)
All new buildings to be zero energy from 2019 say MEPs
All buildings built after 31 December 2018 will have to produce as much energy as they consume on-site, says the European Parliament, amending the 2002 Energy Performance of Buildings Directive. MEPs also call for more public investments in energy-efficient buildings. The legislative report was adopted by 549 votes in favour, 51 votes against and 26 abstentions.
By 31 December 2018 at the latest EU Member States must ensure that all newly-constructed buildings produce as much energy as they consume on-site – e.g. via solar panels or heat pumps, says a report drawn up by Silvia-Adriana Ticu (PES, RO). The Commission proposal did not include any specific target dates for zero-energy buildings. (more…)
Passive solar homes are designed to take advantage of local climates by maximizing the energy from the sun to heat and cool the home. In the northern hemisphere, the sun’s path passes through the southern sky on its daily trip west so a passive solar home has the highest percentage of windows is on the south side. The sun warms the home in the winter, and shading devices, such as overhangs, are designed to block the sun in the summer months to reduce the amount of cooling necessary. Passive solar design creates an energy efficient, comfortable home that reduces energy consumption that save money as well as valuable resources.Passive solar design can easily be incorporated into any architectural style given you have the proper site. Such design strategies have been used effectively for hundreds of years. There is a small increase in the cost of construction, but the home has lower annual energy and maintenance costs overall.There are many benefits to passive solar design for the homeowner and the environment. By reducing energy consumption, the homeowner can save money on utility bills and help prevent air pollution from electricity generating plants that burn fossil fuels. Passive solar design elements make a home comfortable year round while bringing in natural light from the increased glass on the southern side. Natural light reduces energy consumption and provides a visual connection to the outdoors.This book provides the fundamentals and components of passive solar design. A collection of floor plans that work in a variety of sites in North Carolina are also included in this book. The passive solar house plans in this book are affordable homes that are less than 1300 square feet and focus on energy efficiency.
An important starting point in designing and building your own home is a visit to self-build exhibitions which are happening in most towns.
The Self-Build -Entend & Renovate show is happening at the Galway Racecourse, Ballybrit.
There will alsobe a full programme of seminars delivered by professionals from the construction industry covering topics such as Building Energy Rating, Planning Permission and Passive Housing.
If you are thinking of building or renovating, the Seld Build shows which are held at different venues throughout Ireland over the year. You get the chance to talk to a number of suppliers in the one place. It’s also a good place to haggle.
If you have a sketch or a plan bring a few copies along.
So what exactly is a “Passive House” or “Passivhaus”. How do we achieve “passive House Standard”. The concept is relatively new but, what was just a concept a few short years ago is quickly becoming a standard.
Passive house construction should be the only option for new houses being built in any region where houses require heating. Passive House is not however limited to construction in colder climates. (more…)
The Energy Show 2009 Organised by Sustainable Energy Ireland (SEI) will be held at the RDS Main Hall, Dublin
This business to business event is a must for anyone with a professional interest in or responsibility for energy use.
Registration for the Exhibition has now closed. You can register on the day. Entrance is free to the Exhibition on production of trade ID.
Now firmly established as the showcase event for Ireland’s energy sector, this year’s event follows the highly successful format of previous years. A cutting edge technology and trade exhibition with leading Irish and European product and service suppliers will showcase the very latest in energy innovation offering visitors a unique experience in seeking low energy solutions for buildings and the opportunity to engage those experts leading the energy sector both here and abroad. (more…)
House Design Online has launched a new service “Outside the Box TV”. As the page title suggests, we want to suggest ways to think outside the box when it comes to “design” and “architecture”. Many of the homes that we live in are no more than boxes, whose primary function is to contain us, supply us with bedding, water, food processing and sanitation. Of course there are many who lack even these essential elements but our homes, no matter how basic have many other roles which have been neglected in modern architecture.
Out of the Box TV features video clips of innovative green architecture and sustainable building design. The clips are from around the world.
Oustide the Box features Ireland’s first EcoVillage which is under development at Cloughjordan, Co Tipperary as well as some of the work of architects Peter Cowman, Joachim Mitchell and others who are challenging the preceptions of modern architecture.
Organised by Cultivate, Tipperary Institute, The Village, Irish Rural Link and Carnegie Trust
Supported by COMHAR, the National Sustainable Development Council, Dublin City Council, Department of Environment Heritage and Local Government, Sustainable Energy Ireland and the Carnegie Trust
Over the last couple of decades policy makers have tended to regard Irish rural communities as dependent on urban centers rather than as drivers for change. This conference brings together stakeholders from a wide variety of sectors to explore how we can work together to build resilience in a future of energy, climate and economic uncertainty.
What are the actions and positive changes we will need to make to enhance the quality of life of our communities? How will we provide livelihoods and strong rural economies? How will communities of the future provide for their food needs? What are the opportunities for sustainable transport and how will we heat and power our communities?
What do we do to engage people to address the ever more complex problems facing us today? All of this will require for us to work purposefully together to build resilience in these challenging times.
10.00 Registration
10.30 Opening
Representative from North Tipperary County Council
Conversation Starters
10.35 Towards Sustainable Rural Communities
Ciaran Lynch – Tipperary Institute
10.45 From Vulnerability to Resilience
Prof. Peader Kirby
10.55 Regional Food
Helen Lawrenson – Falkland Centre for
Stewardship, Scotland
11.05 Rural Transport
Seamus Boland – Irish Rural Link
11.15 Break
11.30 World Café (view YouTube clip about World Café)
“Given where we are at, what are you already doing to build resilience in your communities?”
12.00 World Café plenary
13.00 Lunch (not provided)
Conversation Starters
14.00 Entreprise, Livelihoods ands Jobs
Ben Whelan – Cultivate and the Village
14.10 The Power of One Community
Seamus Hoyne – Tipperary Energy Agency, Paul Allen, Centre for Alternative Technology and Zero Carbon Britain
14.30 Planning For Rural Sustainability
Bridget Kirwan and Catherine Corcoran,
Tipperary Institute
14.50 Education and Training for Local Resilience
Davie Philip, Cultivate and the Village, Michael Kenny NUIM
15.10 Break
15.20 World Café (view YouTube clip about World Café)
“How do we work together now to build resilience in our communities”
Beyond The Talking Shop
16.20 Making the Transition
Chris Chapman, Change Exploratory and Nick Wilding, Carnegie Trust
The second Renewable Energy Summit will take place in, Croke Park Convention Centre, Dublin between 24-25 March 2009
THE 2020 target for renewable energy has been increased to 40 per cent as part of the government’s strategy for a “green economy”. Taoiseach Brian Cowen said recently that the government’s aim was to deliver a ‘New Green Deal’ that focused on energy efficiency and the investment in clean and renewable technologies.”
“As one of the most fossil-fuel dependent countries in the world, we must prepare for a future when the prices and volatility we have recently witnessed become the norm”he said.
Improving the environment and energy security is one of the five “action areas” in the plan to rejuvenate the economy and attain sustainable growth.
SPEAKERS INCLUDE
Dr Wolfgang Palz, Chairman, World Council For Renewable Energy (WCRE)
Folker Franz, Senior Adviser, Environmental Affairs and Energy
Katrina Polaski, Head of Renewable Energy, Sustainable Energy Ireland
Gerry Wardell, Director, Codema
Lawrence D Staudt
Dr Richard Toll, Economic & Social Research Institute
If you want to discover a bit more about Passive Houses, it might be worth visiting the Ecobuild & Futurebuild Conference whis is taking place in Earl’s Court, London from Tuesday 3rd to Thursday 5th of March 2009.
On the first day of Ecobuild (Tuesday 3 March) BRE will be holding a free PassivHaus seminar in the Thames Lounge.
MORNING SESSION: Creating a PassivHaus culture
Chair Gavin Hodgson, PassivHaus UK, Managed by BRE
10:30 Making a case for PassivHaus: lessons for a crisis – Chris Herring, Director, Green Building Store/Chair, AECB
11:00 PassivHaus in the UK – where are we now? – Oliver Child, Senior Consultant, BRE
11:30 Case study: new materials in PassivHaus design – Howard Liddell, Principal, Gaia Architects
12:00 PassivHaus construction and the skills gap – Malcolm Bell, Professor of Surveying & Sustainable Housing, Leeds Metropolitan University
12:30 Close
AFTERNOON SESSION: There’s no haus like PassivHaus
Chair Justin Bere, Bere:Architects
12:45 Case study: the UK’s first completed PassivHaus – Justin Bere, Bere:Architects
13:15 Case study: PassivHaus is for everyone! – Andrew Bissell, Chair, Blue Property
13:45 PassivHaus retrofit – Mark Siddall, Senior Architect, Dewjo’c Architects Ltd
14:15 Learning from the Swedish experience – Henrietta Lynch, Associate, The Good Homes Alliance
The seminar is free to attend and as there is no pre-booking available for the seminar, attendance is on a first-come-first-served basis. The seminar will be held in the Thames Lounge.
The reality at the moment is that the building of new houses has temporarily in any case ground to a halt. This has of course, implications for the economy but on the other hand offers us with new opportunities.
There has been no better time to focus on bringing our existing housing stock up to a proper standard.
Newer houses are now being built to higher standards of insulation and energy efficiency but if you built or bought prior to 2002, it is likely that your house is less energy efficient and therfore more expensive to run.
On February 8th last Minister for Communications, Energy and Natural Resources Eamon Ryan and Minister for the Environment, Heritage and Local Government John Gormley today launched the national insulation programme for economic recovery. The three-strand insulation programme will cut heating bills for householders, reduce carbon emissions and create thousands of jobs both directly and indirectly over the course of 2009.
The scheme is being administered by Sustainable Energy Ireland (SEI) and to register your interest you must simple call 1850 927 000 or email hes@sei.ie.
Measure covered by the scheme include roof insulation, cavity wall insulation, Internal Wall Dry-lining, External Wall Insulation, High Efficiency Gas or Oil fired Boiler with Heating Controls Upgrade, Heating Controls Upgrade and a Before works and an After works assessment.
The Sustainability Institute based in Westport, Co. Mayo in the West of Ireland is running a number of both short and long courses during 2009, which are worth checking out for anyone planning to build or renovate in a sustainable manner during 2009 or beyond.
One and Two Day Courses Offered in 2009 include:
Introduction to Low Cost Design and Construction
DIY Insulation and Draughtproofing
Basic Domestic Energy Auditing
Renovation of Stone Cottages
DIY Solar Thermal
DIY Off Grid Electrical Systems (Wind and Solar PV)
From Jaunuary 1st, 2009, all homes sold or rented in Ireland will be required by law to have a Building Energy Rating (BER) certificate. A BER certificate is something similar to what we see on electrical appliances such as fridges. To see a sample BER certificate CLICK HERE
Listen to a discussion today on Ireland’s RTE Radio 1 between Kevin O’Rourke of Sustainable Energy Ireland and Tom Parlon of the Construction Industry Federation click here
Hopefully you were not too badly hit by the worldwide downturn in 2008.
This is a time of year when many will be taking stock of the past year and planning for 2009. There is some good news on the construction front. From the 1st of January 2009 a BER (Building Energy Rating) certificate will be compulsory for all homes being sold or rented in Ireland. This is an important step in “future-Proofing” our housing stock and reducing our dependence on fossil fuels.
As the cost of building new houses continues to drop and as there is now a regulatory framework for better quality, more comfortable and healthier homes, there is now a real opportunity to design and build the house of your dreams. If you are building in 2009, it is important to consider “recession-proofing” you new home. Attaining a higher energy rating will result in lower fuel bills indefinitely. Information on Building Energy Rating
Here’s wishing everyone a Happy and a Cosy Christmas
An interesting article in today’s Irish Independent by John Kennedy suggests “it’s time for forward thinkers to embrace Ireland’s future economic edge: green energy.
The smartest minds in silicon valley have their eyes and wallets on a bigger prize…electricity!
Tech firms from google to IBM realise that smart energy usage, from homes to cars that can manage their own use of electricity and fuel, and even sell surplus electricity back to the power companies.
To put all of this into context. If we go back two decades and look at where information technololy was at and how it has become an intricite part of everyone’s live’s. Mobile phones were literally unheard of in 1987, yet within a decade they were became an essential accessory for everyone from schoolkids to older folks.
Let’s now try to look forward a decade from now to 2018. Ireland has set a target of 40% renewable energy usage by 2020. Ireland in fairness, being one of the first countries in the world to do so. The technology is already developed to capture, at least this amount of energy from renewables, freely available in Ireland such as wind and wave power. In the 1980’s the technology to develop mobile phones and personal computers was similarily developed. It only took a few short years for that technology to be fully adapted for home users. It is very likely that renewable energy technology will become a domestic feature of every home within the next decade.
All of this is of immense importance for those of you who are thinking about designing your own homes now. Try to design your home with 2018 and even 2028 and beyond. Most of us will still be paying our mortgages well beyond that. Houses that maximise solar gain and are very well insulated now, will increase the possibility of that home being independent of its energy needs in a very short time.
The Cultivate Centre in Dublin have announced their courses in Green Building for 2009, which will be of interest to anyone designing or planning their own sustainable building for 2009.
The courses cover topics such as basic domestic energy auditing, wind energy, micro hydro and solar PV, solar water heating, green building and many others. Of particular interest is a course entitled “Want to build a house for €20,000 or even less” on Sunday 22nd February 2009. This day course is been given by Andy Wilson of the Sustainability Institute.
For full details on these and other courses please check out Cultivate
Gene Roddenberry was the guy that brought us in to the future many years ago with the series “Star Trek”…going where no man had gone before…OK, it was Science Fiction, but what a pity that some of those who were fans of the 1970’s show didn’t hold on to a small bit of the imagination and “thinking into the future”, that the show evoked when they got themselves into positions where they could actually influence change. Imagine if Kirk, Spock and buddies made a brief return visit to planet earth. They hover over Dublin, spot the M50 at rush hour, imagining it to be an energy field surrounding the city. Their first reaction is that the city has been taken over by Klingons. Nothing is connected, people are wandering around in a trance, going nowhere. The guys get energized down to the ‘Red Cow’ Roundabout, but there is nothing they can to, They try Portlaoise, Galway, Limerick, Castlebar..but its all the same. (more…)
Anyone interested in finding out more about the concept of the Passive House might be interested in this upcoming event. If you are thinking of building in 2009 and 2010 a visit to Frankfurt in April may well be worth you while, particularly with the availability of cheap flights!
The 13th International Conference on Passive Houses will take place on 17th and 18th April 2009 in Frankfurt in Germany
The Conference will focus on the following themes: Public Initiatives and Public Energy-Efficient Buildings, Non-Residential Buildings, Passive Houses – Apartment Blocks, Innovation from Research and Development: Building Technology and Building Shell, Assessment of Completed Modernisation Projects, Comfort and Health, Financing and Marketing and Housing Industry and Sustainability.
Running side by side with the conference will be the 2009 Public Passive House Exhibition
Date: Friday 17th April – Saturday 18th April 2009
Location: Messe Frankfurt, Hall 5.1
Opening hours: 17th April 2009 9 am – 7 pm
18th April 2009 9 am – 5 pm
Exhibition area: 3.000 m²
Beat escalating energy costs! Passive houses allow for more comfort and lower energy demand: Intelligent solutions for old and new buildings will be on show at the 2009 Passive House Exhibition in Frankfurt:
* Building companies, specialist federations, architecture and engineering offices
* Producers of windows, doors, ventilation systems and insulating materials,
* Providers of building parts, whole solutions, house technology systems and solar companies
They present building components and products which reach the top standards for energy-efficient building through high quality and innovative technology.
* Entrance to the exhibition is free for all visitors.
* Conference and exhibition take place directly next to each other in the Messe Frankfurt.
* A support programme of lectures is directed at conference and exhibition visitors. Here exhibitors can present their products and services.
The exhibition is directed at interested building owners and specialist visitors such as architects, building specialists, planners, energy consultants, producers of building products, companies in the building industry, housing industry and energy providers.Field trips, Sunday 19 April 2008
On Sunday 19 April there will be the opportunity to attend one of five different tours to visit Passive Houses (new buildings and refurbishments).
Start: Conference Main Entrance – Messe Frankfurt
Finish: Frankfurt am Main, Hauptbahnhof (central station)
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