Category Archives: energy efficiency

energy efficiency

energy costs

2015 was the hottest year on record so far, so without reading your bill we know the result, your energy bills were higher than before if you used air conditioning, because air conditioning is the largest portion of energy usage … Continue reading

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Kung Hei Fat Choi or Happy Chinese Lunar New year

We wish all our customers, friends, and colleagues a happy and healthy Chinese Lunar new year or simply Kung Hei Fat Choi

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energy audit: inefficiency

by John A. Herbert Part of the energy audit process should be to review the condition of the plant, and equipment, generally if problems are discovered these can be categorised as deferred maintenance. Here an example, an 800 mm axial fan, … Continue reading

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COP21 means 2 degC or bust?

COP21 commences today, with leaders from 200 counties meeting in Paris, and buildings, for the first time, will be in focus, a milestone indeed. Its important for Hong Kong where buildings consume 90% of the electricity generated, equating to about … Continue reading

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Eco Expo Asia 2015

energyLAB’s director Mr John A. Herbert attended Hong Kong’s premium environmental fair, Eco Expo Asia 2015 Oct. 2015, here are some photos from the event: #hongkong #energylab #energyefficiency

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Energy Matters Seminar – 2 Nov. 2015

HAESCO, a Hong Kong Not For Profit Trade association (www.haesco.org) is organising an energy seminar on 2 Nov. 2015 – to register here is the  LINK    

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BEC Chairman Mr John Chai presents carbon certificate to John A. Herbert at enviroseries conference on 18 May 2015

Left to right: BEC Chairman Mr John Chai and John A. Herbert carbon certificate presentation enviroseries conference on 18 May 2015.

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Blueprint for Hong Kong Energy Consumption

Hong Kong has launched its first, energy conservation strategy (LINK)  primarily containing  lists of Government achievements (earlier hint). But wait, it is more than the usual self congratulatory tome, note it has highlighted the specific occasions when energy policy can be … Continue reading

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5% Energy Reduction by 2020 HKSAR Policy Address

The Hong Kong Government hinted at the end of 2014 about energy savings, in today’s policy address (14 Jan 2015) a five percent (5%) energy reduction for government buildings, over the next five years (2020) was promised. It is a … Continue reading

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Govt. plans for new energy conservation measures to be published next year

The SCMP reports that the HKSAR govt. will shortly release the plan to reduce energy consumption for commercial and residential buildings, citing information gained from the BEEO requiring building owners to engage an REA to conduct an energy audit every … Continue reading

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Entrance Lobby Temperatures

by John A. Herbert As the hot summer pounds on our cities, increasing temperatures drive up Air Conditioning energy consumption and costs, but we can use the power of human physiology to help lower building energy costs. People entering an … Continue reading

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Lighting levels Lux

by John A. Herbert Lighting provides good opportunities to lower costs without impacting the building operation. The BEC 2012 provide guidance for the lighting power density for new build, and most existing buildings exceed this guidance. We find external lights … Continue reading

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Beyond Energy

by John A. Herbert 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 … Continue reading

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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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2010 China International Energy Efficiency Event

Guangzhou – energyLAB – energy consultants will attend the 2010 China International Energy Efficiency event to be held in Guangzhou, China.  The EE event will take place over three days, with international companies participating. Date:  15-18 September 2010 Location: Guangzhou … Continue reading

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carbon consciousness

From our earliest days our parents drilled us about the roads, and road safety. Everyday, every opportunity it was hammered home — look left, look right, then look left again was one of the many rules of life pushed upon … Continue reading

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Energy Experts Seminar (4 Dec 2009)

energyLAB Ltd. is pleased to report that last week on 4th December 2009 during the IDT expo held at the Wan Chai exhibition centre in Hong Kong our Director John Herbert give his energy audit speech at the energy seminar.

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energyLAB at ecoasiaexpo 2009

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what is your carbon footprint?

During EcoAsiaExpo energyLAB conducted a survey, not of the visitors as you might expect, but other exhibitors in hall 5. Frankly, I was expecting mediocre outcome, but the result was more shocking. The survey was simple, one easy question – What … Continue reading

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False Economy

At some point in time you might be advised (not by energyLAB) to lower your water distribution and storage temperature for domestic hot water service – DO NOT lower the water temperature below 60 DegC – whatever promises and assurances … Continue reading

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