Kelcroft E&M Limited
unit A10 Kowloon Bay Hong Kong
+852 2335 9830
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Energy Audit Shopping Centres

REA, John Herbert, Registered Energy Assessor, rea, Hong Kong
John Herbert
REA (Registered Energy Assessor) Hong Kong Registered Energy Assessor


Fluorescent fittings are the predominate choice for lighting systems in commercial buildings, they are an excellent energy efficient light source for the built environment. The majority operate up to 20,000 hours with high efficiency (high lumens per watt) and provide acceptable colour rendering.

Energy Audit Shopping Centres



Increasingly LED type lamps are gaining acceptance because the lamp life span is significantly longer, with a significantly lower power consumption, and lower heat output.

shopping centre energy audits save money on your energy bills



In commercial office buildings, the lighting systems account for more than 15% of the energy consumption and provide significant opportunities for cutting operating costs.

Kelcroft's lighting energy audit expertise identifies valuable energy and cost savings opportunities.

energy audit shopping centres

Shopping Centre Lighting Level

What is the right quantity of light? We use the term LUX to describe lighting level in a space, where a higher number means higher energy bill.

energy audit shopping centres
Shopping Centre Energy Auditing Experts



For office general lighting level of 300-500 Lux would be satisfactory, for a corridor or other transient areas 200 Lux would be adequate. However, our lighting audits often have more than 1,000 Lux (overlighting).

Excessive AND poor lighting can causes occupants to suffer discomfort, eye strain, or headaches, so having the right level is critical.

Too often we find that the contrast between illumination of adjacent spaces is unacceptable, causing eye strain, headache, and discomfort for the occupants. It is the same type of discomfort when walking from a dark space into bright sunshine.

Our audit work has found that some retail shops have excessive lighting levels, with 2000 lux measured.

Using our own instruments we physically measure the existing lighting level and record our findings. When excessive illumination is recorded we make recommendations to reduce/upgrade the lighting system to the recommended level saving money and saving energy.

energy audit shopping centres

Regional Experience

Organisations have recognised Kelcroft's unique skills and knowledge, we have added value to organisations operating in Qatar, Malaysia, Hong Kong, Macau, Burma, Taiwan, Singapore, Thailand, and China.



Shopping Centre Cooling Tower Audits

Energy audits demonstrate that the cost for operating the Air conditioning system is the highest portion of your shopping centre energy bill.

If your air conditioning system uses cooling towers for heat rejection, Kelcroft has in-house cooling tower auditor for compliance with EMSD code of practice, and a kelcroft's energy audit skill can uncover the related energy saving opportunities in cooling tower systems.......learn more

Registered Energy Assessor


We have in-house Registered Energy Assessor with commercial building, sports centre, museum, hotel, shopping centre, and wet market experience, and our experience is all our own.

energy audit shopping centres

Shopping Centre Car Parking Lighting


It is not just the shopping centre that needs to be considered, car park lighting can also provide energy saving opportunities.

Different lighting options, with different colour floor and wall finishes make a difference, white and lighter colours are more reflective. Options can all be examined with computer modelling before any decoration or lighting fittings are purchased.

We have found open, uncovered car parks with lighting intended for night use operating during daylight hours wasting energy. Importantly, it demonstrates the culture, where the environment has little importance.

We have also discovered car park lighting designed with a separate daylight perimeter daylight zone that was rewired so ALL car park lighting fittings operate 24/7, wasting energy, when ample daylight is available around the perimeter during the daylight hours.



Call Kelcroft to order your shopping centre energy audit today!


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date: 28-02-20
kelcroft consultants hong kong