Large church CO2 reduction opportunities

Browse around this diagram of a large church building to see the key carbon reduction opportunities.

 

 

Improve energy management
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Save up to 15% of total building energy use No cost
Immediate payback

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Switch off external lights
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Save 15-30% of total external building electricity use No cost
Immediate payback

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Replace tungsten lamps with compact fluorescent lamps (ie 'energy saving lightbulbs)
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Save 75% of the lamp's energy use Low cost
Payback over 1-2 years

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Install lighting occupancy controls
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Save up to 30% of target illuminated area lighting use Low cost
Payback over 2-7 years

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Insulate valves,
joints & pipes
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Reduce heat loss
from valves,
joints and pipes
by up to 70%
Low cost
Payback over 1-2 years

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Replace lighting with more efficient systems
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Save up to 40% of target illuminated area lighting use

Save 100% of energy used if removing lighting

Low cost
Payback over 2-7 years

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Draught proof external doors
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Reduce building heat loss by up to 10% Low cost
Payback over 1-2 years

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Install boiler optimiser control
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Save 5 to 10% of total building heating use Low cost
Payback over 1-5 years

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Install daylight lighting controls
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Save up to 30% target illuminated lighting use Low cost
Payback over 2-7 years

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Replace very old fluorescent T12 &/or T8 lighting with T5 lighting
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Replacing T12-T8s / T12s-T5s may provide 8-40% savings (respectively) of total onsite lighting use Capital investment
Payback over 2-7 years

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Introduce zone heating
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Save 30% of total onsite heating Capital investment
Payback over 2-7 years

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Replace boiler
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Save 30% of total onsite heating Capital investment
Payback over 1-5 years

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