Official Scottish Agent of Space Air Daikin
Altherma Data Logged Retro-Fit Case Study
Background...
Location: Kirkton of Balmerino, Fife
Scotland
House Type: Detached. Solid stone walls. Circa 1850
4 Bedrooms.
Total floor Area 234 sq metres
Heat loss Coefficient and Parameter: 664.4 W/K, 2.4 W/sq metreK (BSEN 832 – SAP2005)
Previous Primary Central Heating system: Oil Boiler
Property Insulation Improvements: Insulation of the building fabric as can reasonably be achieved without major refurbishment .
Altherma heating solution...
Altherma system replacement: Altherma Series 8 (6kWBUH) and 150 litre Altherma tank
Heat emitters: Conventional radiators. No radiators changed
Secondary heating: 9 kW wood burning stove.
Estimated CO2 reduction: 6.5 tonnes per annum.
Annual Savings 1st Oct 07- 30 Sept 08 52% energy bill reduction
|
| Before | After |
|
|
| |
| Location: Eastern Scotland | 30 kW Mains oil Boiler | Altherma 8.54kW (6kWBUH)heat pump |
| House type: Semi Stone build | Radiators | Altherma 150litre hot water tank. Existing radiators. |
| Age: circa 130yrs | Hot Water tank | |
Heat Loss Coefficient: 664 W/K |
| Wood burning stove 9kW |
Annual space/hw requirement: 42875kWh |
|
|
Heat loss Assessment to BSEN 832 |
|
|
Historical usage(10yrs) fuel oil 35800kWh
|
|
|
|
| Before | After |
| Altherma predicted simulation | £710.00 exc sanitary hot water |
|
| (10 yr Historical Actual usage) Annual Energy Cost | £1790.00 | £855.11(including logs) |
SAP rating (BSEN 832) | 51 | 65 |
| CO2 Emissions t/yr | 10.1 | 3.577 |
| Altherma actual consumption and seasonal COP |
| £535.37 (6466 kWh) inc sanitary hot water. Seasonal COP 310% |
Please refer to the pdf library for the Kirkton of Balmerino case study graph analysis.
