Energy Audit for St Mary Redcliffe Church, Bristol
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4. Heating System Saving Recommendations<br />
4.1. Boilers<br />
The heating within the church and also to the café is served from boilers located in a basement<br />
boiler room to the north side of the church.<br />
Within this boiler room there are two Ideal Concord CXS 100kW gas boilers. The boilers are thought<br />
to have been installed around 2000 and are currently in reasonable condition and while more<br />
efficient models are now available there is no immediate benefit to be obtained from replacing<br />
these boilers at this time.<br />
At the end of life of these boilers the consideration can be made to more efficient heating solutions<br />
however the fluing arrangement from the boiler room does not allow <strong>for</strong> condensing boiler to be<br />
installed and it would be difficult to justify a biomass boiler against the efficiency use of a mains gas<br />
supply.<br />
4.2. Pipework and Distribution<br />
The pipework within the boiler rooms is steel and some copper. Some<br />
of the main pipework is well lagged but other lengths are exposed.<br />
Additional lagging to un-lagged pipework, valves and other fittings<br />
should be undertaken to ensure the maximum amount of heat output<br />
from the boiler goes into the church. Sustain (a <strong>Bristol</strong> based company)<br />
should be contacted to arrange <strong>for</strong> a free survey and quotation.<br />
http://solutions.sustain.co.uk/Valve%20and%20Pipework%20Insulation<br />
The main heating pump within the church is aged and would benefit<br />
from replacement with a new dual pump set which has variable speed<br />
drives integrated to the pumps. By having two pumps (a duty and<br />
standby) there will be additional resilience in the event that one pump<br />
fails.<br />
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