Category Archives: energy efficiency

energy efficiency

Beyond Energy

Infra-red thermography provides the opportunity to explore beyond a visual inspection, it supports preventive maintenance and energy efficiency. However it only one tool of many tools energy auditors need to be able to conduct a useful energy audit.

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Hong Kong Electricity cost set to Rise in 2013

The cost of electricity in Kowloon served by CLP will increase by 5.9% and Hong Kong Island served by HKE by 2.3% in 2013 it’s reported in the SCMP (see above). However, the full details are not revealed as yet. … Continue reading

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your air conditioning system handling the heat?

It’s the summer, and it’s hot, and humid, over the last few days it have been around 32 Deg C. And air conditioning systems across the region will be working overtime to keep your building cool. In Hong Kong and … Continue reading

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Will Hong Kong finally ban Incandescent Light Bulbs?

This is your chance to add your voice to the ban the bulb debate!  The estimated annual electricity consumption for non-reflector type Incandescent Light Bulbs (ILB) meaning GLS lamps, candle shape, fancy round and other decorative lamps, and tungsten halogen … Continue reading

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Lighting Upgrades

Improving the energy efficiency of lighting systems is a no brainer, the obvious gain is lower the lighting energy consumption. But in air conditioned areas the second benefit results from the lower heat output, because means reduced bills for the … Continue reading

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building operations

27 Nov 2010 -  Saturday was a beautiful, crisp, sunny day,  I attended the Cityspeak forum at the Fringe Club on Lower Albert road. Afterwards, I couldn’t help notice that the adjacent building had external lighting fittings (photographed above)  still … Continue reading

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designed for full speed

Vary Your speed HVAC equipment and industrial machinery are designed to operate at the peak capacity, to handle the worst case scenario.  However, during normal operation periods of partial load occur when the load is less than the design load. … Continue reading

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clean labels and motors

Buy the most efficient motor available, and keep it clean. Electric motors account for nearly sixty percent (60%) of the global electricity consumption!  Comparing the total life operating cost with the first cost is instructive. Typically the CapEx (capital cost) … Continue reading

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emergency lighting

Replacing traditional emergency lighting fittings pictured above, with the LED type immediately provides energy savings, and lowers carbon emission. Additionally, the longer lifespan of an LED fitting also results in reduced labour costs. – John Herbert, energyLAB , consultant

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percentages beware: we do math

Recently I was talking to a colleague about the pervasive use of the “percentage”.  You will have seen the advertising offering up to 30% energy savings ,  and no doubt you will have seen NGO’s giving awards for 25% percent … Continue reading

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