Energy Efficiency in Older Properties - Regensw
Energy Efficiency in Older Properties Alastair Mumford, Business Support Manager
Who we are....
Inspiring change Backing business Preparing the ground
Agenda • Problems – Heat loss – Breathability – Condensation
• Solutions – Maintenance – Insulation – Draughts – Ventilation
PROBLEMS
Heat loss
Heat loss
Heat loss
Society for the Protection of Ancient Buildings
Breathable walls
• Diagram
Walls
Thermal bridging
Condensation & Dew Point
Dewpoint
Source
SOLUTIONS
Minor Maintenance • • • •
Repairing roofs Clearing out gutters Replacing pointing Tight fitting windows
Lime
Insulation
Insulation Materials 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11.
Vacuum insulated panels: 0.008 Aerogel: 0.014 Phenolic: 0.02 Reed board: 0.036 Glass wool: 0.038 Hemp fibre: 0.039 Sheep wool: 0.039 Wood fibre: 0.039 Mineral wool (aka Rockwool): 0.040 Cork: 0.041 Straw bale: 0.047
Windows & Door Reveals
Draughts • Compression seals • V seals • Wiper seals
Windows Whole window U-value
Heat loss reduction
Victorian sash window, 2 over 2 panes
4.3
-
Heavy curtains
2.5
42%
Trad. Well-fitting shutters
1.7
60%
Plain roller blind
2.7
37%
Reflective roller blind
1.9
56%
Insulated honeycomb blind
2.1
51%
Low-E secondary glazing
1.8
58%
Low-E secondary glazing and shutters
1.6
63%
Source: Glasgow Caledonian University
Party walls
Mechanical Heat Recovery Ventilation
Heating • Underfloor heating system – LoPro10, Nu-Heat – Timoleon
• Pipe work insulation • Radiators – HeatKeeper panels
• Chimneys
Conclusion • Ensure your property can breathe • Ventilate effectively • Insulate where possible
Who we are....
Inspiring change Backing business Preparing the ground
Agenda • Problems – Heat loss – Breathability – Condensation
• Solutions – Maintenance – Insulation – Draughts – Ventilation
PROBLEMS
Heat loss
Heat loss
Heat loss
Society for the Protection of Ancient Buildings
Breathable walls
• Diagram
Walls
Thermal bridging
Condensation & Dew Point
Dewpoint
Source
SOLUTIONS
Minor Maintenance • • • •
Repairing roofs Clearing out gutters Replacing pointing Tight fitting windows
Lime
Insulation
Insulation Materials 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11.
Vacuum insulated panels: 0.008 Aerogel: 0.014 Phenolic: 0.02 Reed board: 0.036 Glass wool: 0.038 Hemp fibre: 0.039 Sheep wool: 0.039 Wood fibre: 0.039 Mineral wool (aka Rockwool): 0.040 Cork: 0.041 Straw bale: 0.047
Windows & Door Reveals
Draughts • Compression seals • V seals • Wiper seals
Windows Whole window U-value
Heat loss reduction
Victorian sash window, 2 over 2 panes
4.3
-
Heavy curtains
2.5
42%
Trad. Well-fitting shutters
1.7
60%
Plain roller blind
2.7
37%
Reflective roller blind
1.9
56%
Insulated honeycomb blind
2.1
51%
Low-E secondary glazing
1.8
58%
Low-E secondary glazing and shutters
1.6
63%
Source: Glasgow Caledonian University
Party walls
Mechanical Heat Recovery Ventilation
Heating • Underfloor heating system – LoPro10, Nu-Heat – Timoleon
• Pipe work insulation • Radiators – HeatKeeper panels
• Chimneys
Conclusion • Ensure your property can breathe • Ventilate effectively • Insulate where possible
