DECC says:

In 2013 DECC installed a small, efficient, condensing gas boiler dedicated to heating domestic hot water. This allows us to mothball our two large boilers during summer months when they’re not required and is cutting around 60 tonnes of carbon p.a

9th December 2014
DECC says:

It’s increasingly hard to identify cost effective energy and carbon saving measures in our energy efficient HQ. With the GLA’s RE:FIT programme we identified and installed measures which will save 303,596 kWhs of energy p/a or 159 tonnes of carbon

9th December 2014
DECC says:

Our HQ has invested in a new lighting solution that’s estimated to save 183,596 kWhs annually. Combining LED technology with a flexible localised control system, lights automatically turn off in unoccupied rooms and dim in response to daylight levels

9th December 2014
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DECC says:

In 2012 we installed solar window film on the windows on the south and east sides of 3WP in order to reduce heat gained from the sunlight. By reducing solar gain we will reduce the need for cooling and save an estimated 10 tonnes of carbon a year.

17th September 2014
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DECC says:

We re-cycle heat that would otherwise be wasted from our kitchen to pre-warm air to ventilate the canteen. This is expected to raise the temperature in the canteen area by 2-3°C, improving staff comfort without increasing our carbon footprint.

17th September 2014
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DECC says:

One of the biggest uses of electricity in 3 Whitehall Place was lighting, so we have replaced the existing halogen, fluorescent and compact fluorescent lights with LED lights in the lifts, staircases, toilets, basement corridors and communal areas.

17th September 2014

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