Cotswold Manor House
ETA 95kW wood pellet boiler
Dunster were asked to design a biomass system to heat a Cotswold Manor house, flat and agricultural building. As the building was listed, care had to be taken to ensure that all items could be installed with minimum impact on the historic fabric. This determined the choice of an ETA 95kW pellet boiler to be located in the existing boiler room, an oval accumulator tank which would fit through the existing door, and a stand alone pellet store which did not need support from the surrounding structure.
Fuel is delivered periodically by tanker and pumped through flexible hoses into the pellet store. This is large enough to receive cheaper bulk deliveries and only requires re-filling four times per year.
System design and installation
The system provides all of the heating and hot water requirements for the Manor House and the adjacent agricultural building which contains a flat and farm workshop area. It replaces the existing oil boiler for the Manor House and a range of electric heating for the flat and workshop. Heating in the Manor House is controlled by the boiler with a full ETA control package. Remote monitoring and operation of the heating system is made possible through an internet connection. The flat and workshop have a simplified control system involving an independent time clock and thermostatic control.
In addition to the environmental benefits, heating for all areas has been upgraded with full weather compensation improving efficiency and comfort levels. Accessing heating controls remotely through the internet has enabled the owner to adjust the heating to the required level prior to arriving back home. Financially, and with the support from the RHI scheme the system is expected to provide significantly lower heating bills and is forecast to pay for itself in 5 years.
Recent Dunster case studies
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Wiltshire Estate – 130 kW woodchip district heating scheme
St Paul’s Church, Weston-Super-Mare – Containerised 140kW wood pellet heating system
Alvie Manse, Inverness-Shire – 35 kW Wood Chip Heating System
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