Snug as a bug in a rug
- 1. SNUG AS A BUG IN A RUG Robert Steininger about converting his former 1970s county council home TheGreenVillage.ie
- 2. What we started with 1970s county council home 70m2 / 750 sqft Rated “G” 520 kWh/m2/yr TheGreenVillage.ie
- 3. What we started with No insulation old windows Central heating & hot water: gas combi boiler TheGreenVillage.ie
- 4. The plan… Architect Extension 40m2 Deep retrofit A3/B1 – New electrics – New heating – New windows – Insulation TheGreenVillage.ie
- 5. Insulation Pebble dash External wall insulation, Weber K5 board, 100 mm uPVC, double pane windows uw = 1.4W/m2K TheGreenVillage.ie
- 6. Insulation Before After Attic Mineral wool 300 mm, cross threaded Ventilation! TheGreenVillage.ie
- 7. Heating Combi Boiler Natural gas No hot water storage tank Thermostats Day/Week timers TheGreenVillage.ie
- 8. Heating Controls 5 independent Circuits Thermostat controlled Day / week timer TheGreenVillage.ie
- 9. Heat distribution Floor insulation 300 mm Partially for existing Under floor heating TheGreenVillage.ie
- 10. Heat distribution Aluminium Low volume High efficiency Noisy TheGreenVillage.ie
- 11. Ventilation Passive uncontrolled Decentralized active heat recovery ventilation Negative impact on BER! TheGreenVillage.ie
- 12. The outcome 74 kWh/m2/yr. Annual Heating & Hot Water: €450 TheGreenVillage.ie
- 13. The one that lost out … Open fire place 50% of fuel energy lost through chimney 30% of room heat lost Alternatives: “closed” stoves TheGreenVillage.ie