Retrofitting your home
- 1. Retrofitting your homeRobert Steininger, The Green VillageJune 29th, 2011
- 2. About todayAbout The Green VillageUnderstanding Energy and UsageGovernment GrantsRetrofitting your HomeUpcoming events
- 3. What is The Green Village?
- 4. What is The Green Village?local voluntary organisation in Malahide offering practical advice on:Energy AwarenessEnergy EfficiencySustainable LivingAnd in the processbuild a cleaner & greener Malahidesave some money, by using less energymake small contribution …
- 5. The People involved so far!!Niall DuffyCiaran O’ReillyColm FitzpatrickColm HylandRon ImminkRobert SteiningerCarole StewartCaroline HeffernanJohn ByrneAnton ShihoffDavina CumminsZelda CrowleyBrian McDonald
- 6. Robert SteiningerAustriaGermany & USAIn Ireland since 2004Involved in Green IndustryRetrofitted Home 2009
- 7. Some projects we are working AllotmentsJoint activity with Epilepsy Care FoundationRothareileBicycle Recycling (with input from ScoilIosa)Retrofitting HomesLocal suppliersCode of practice
- 8. Understanding Energy and Usage
- 11. What are we really talking about?60 W48 h60 kW2.5 km3 min75 kcal / km32 km2,400 kcal220 kW1 km1.2 min4 kW45 min75 kcal120Wx 24h2,000 W1:45 h70 kWh/kg41 g10 min75 kcal
- 12. Energy Usage Private HouseholdSource SEAI, 2009 Energy Survey
- 14. Sustainable Energy Authority Ireland - SEAIwww.seai.ie
- 15. SEAI - Grants
- 16. SEAI Grant - BEHBetter Energy Homes Scheme
- 18. Roof25%Drafts & Ventilation20%Walls30%Windows & Doors15%Floor10%Areas of Heat Loss in Homeswww.FutureProofDevelopments.ie
- 19. BERBuilding Energy RatingMandatory forSale / Rental
- 20. GrantsIndicative figureImprovement suggestionsAssessor dependantMeasuring your home energy performanceBER – Rating A1 (best) – G (worst)Grants -> Minimum C1Technical measure: U-ValueThe smaller, the betterBefore & After calculationSEAI / Building Regulation: Walls C1 = 0.27 W/m²K
- 24. Hatch sealed
- 25. Walkway to water tank
- 26. Floor boardsDo I needa Warm Roof or a Cold Roof?Attic Conversions Only
- 29. Reduced drafts
- 31. Inconsistent resultsWall InsulationInternal Dry-LiningAll wall types
- 33. More expensive
- 34. Loss of space
- 35. Disruption
- 36. MoistureExternal Wall InsulationHighest insulation
- 37. Comfort
- 38. Non-disruptive
- 39. Most expensive / long payback
- 40. New to Ireland
- 41. Technical details trickyHeating System> 10 years
- 42. Older systems efficiency < 70%
- 44. Efficiency +90%
- 45. Heating Controls UpgradeHeating ControlsSeparating hot water & space heating
- 48. Check radiatorsSolar Heating / Hot WaterHot water productionFlat plate / Vacuum Tube
- 49. Typically 50-60% of demand
- 50. Large Storage
- 51. Long paybackWindowsWatch out for:Frame construction
- 52. Installation / draft proofing / position
- 53. U-Value Window (Uw) ~ 1.4 W/m²K
- 54. Material (uPVC vs. Wood / Alu)
- 55. Triple Glass not essential
- 57. More important
- 58. Moisture problems if blocked
- 61. Mechanical VentilationThat’s all great but what is practical?
- 62. Real Life ExampleExternal Wall InsulationWindows / DoorsAtticFloorsHeating HR VentilationAnnual Heating & Hot Water € 450520 kWh / m2 yr.74 kWh / m2 yr.
- 63. How to get started?
- 64. How to get started?Measure Energy ConsumptionResearch / ReadingAssessmentClarify Your AimPlan & BudgetPhased?Measure makes sense?Independent Advice
- 66. Upcoming Events
- 67. Upcoming EventsPublic talks in the Malahide Library every 3-4 weeks (or on request)20/07/11: Allotments17/08/11: Kevin Halpenny from FCC on Growing Zones and GIY 07/09/11: Saving Energy in your Business…
- 68. Spread the word!Next Public MeetingAllotments20th of July 2011, Malahide LibraryStay tuned:TheGreenVillage.ie