Medium size church CO2 reduction opportunities

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

 

 

                     Improve energy management
See factsheet
Save up to 15% of total building energy use

No cost
Immediate savings

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                     Reduce the time that heating operates
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Save up to 5% of heating use

No cost
Immediate savings

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                     Switch off external lights
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Save 15-30% of total external building electricity use

No cost
Immediate savings

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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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                     Add push timers for
heaters
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Save up to 5% of total building heating use

Low cost
Payback over 2-7 years

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                     Insulate valves,
joints & pipes
See factsheet
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
See Factsheet
Reduce building heat loss by up to 10%

Low cost
Payback over 1-2 years

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                     Add thermostat controls on heating
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Save 8 to 10% of total building heating use

Low cost
Payback over 2-7 years

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                     Add wireless heating controls
See factsheet
Save 5 to 10% of total building heating use

Low cost
Payback over 2-7 years

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                     Install de-stratification
fans
See factsheet
Save up to 20% of total building heating

Capital investment
Payback over 2-7 years

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                     Insulate roof
See Factsheet
Save up to 90% of the
25% building heat loss
made through the roof

Capital investment
Payback over 2-7 years

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                     Install secondary glazing
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Save up to 50% saved of the 25% building heat loss made through the windows

Capital investment
Payback over 7-20 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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                     Replace boiler
See factsheet
Save 30% of total onsite heating Capital investment
Payback over 1-5 years

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