Energy Efficient Lighting

TAG | led GU10

LED lamps and luminaires are commonly available in 2700K, 3000K and 4000K colour temperatures, but how do you go about choosing the correct colour?

This question has been answered by Chris Shenton, technical and quality specialist at LEDvance UK.

Lamp colour temperature is often a personal or historical choice and it depends on what environment is being created.

Here is a general guide:

2700K is a similar colour appearance to incandescent lamps and is a warm, relaxing colour.

3000K is a similar colour appearance to halogen lamps with a warm but crisper colour than 2700K. Commonly called ‘warm white’.

4000K is a cooler, whiter colour than 2700K and 3000K. It’s the lamp that has traditionally been used in offices, waiting areas and most commercial applications. This is commonly called ‘cool white’,  or occasionally ‘neutral white’.

6500K is a very cool white that is used to simulate day light. It is also said to increase productivity when used in a work environment. It is commonly referred to as ‘daylight’.

The warmer colours work well in more relaxed environments with warmer colour decoration such as in domestic living rooms, restaurants and hospitality areas.

The cooler colours work well to help create a lively environment with lighter colour decoration such as domestic kitchens, offices, warehousing and in retail spaces.

Now that we have the ability for colour ‘tuning’ via LED sources, the extremes of warm and cold white sources are being used as the basis for ‘human centric’ lighting installations. Mixing of the two extremes allows interior lighting schemes to be adjusted according to the needs of the occupants.

See our range of LED lamps and luminaires here: www.novelenergylighting.com

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Dec/16

6

Legacy to LED – Dimming in One Smooth Curve

u-dim-90be9496With the advent of LED lighting, the relationship between legacy dimming technology and LED lamps has become an uneasy one.  Here MEGAMAN® shows how to overcome such difficulties.

New for old?

One of the big areas for dimming problems comes when home owners decide to switch out all of their traditional lamps for LEDs, but don’t change the dimmers at the same time.  This is largely down to the lack of public knowledge about the fact that trying to combine old and new technologies can lead to all kinds of issues.

The problems that can occur when new and old are combined include: lamp flicker, flashing, an inability to dim as low as required and failures with the LED and/or dimmer.  Even if the LED lamps seem to initially respond well to dimming, over time, the use of LED light sources on a legacy dimmer can have longer-term implications that lead to call-backs, weeks or months after installation.

The root of the problem

Almost all legacy dimmers designed for incandescent light sources are leading edge or trailing edge dimmers that commonly use a TRIAC/transistor as the key control device.  This chops out parts of the voltage and reduces power to the light source in order to achieve the dimming performance.  Though these work with incandescent lamps, LED lamps have an internal filtering circuit that distorts the supply signal and can result in system oscillations that are observed as flickering or flashing.

As well as encountering flickering and variable dimming performance, in extreme cases incompatible dimmer switches cannot be turned on, or suddenly shut off, can burn out, or permanently damage the LED lamps.  In addition, traditional dimmers have a minimum load requirement of 40W or 60W, something that causes problems when replacing them with low wattage LED equivalents.

GU10’s – the LED opportunity

With halogen directional reflector lamps being phased out across Europe from September 2016*, there will be an increased push from homeowners for LED replacements.  With the advances in LED lighting technology, there are now a wide range of exceptional alternatives to halogen lamps.

However, dimmable LED GU10 lamps are complex pieces of engineering, as they have to house a transformer, as well as dimmable driver components.  There are at present a lot of dubious dimmable LED replacement lamps on the market.  As with most things, you get what you pay for.  So avoid the lower end of the market and choose a trusted LED manufacturer.

MEGAMAN has just launched its new selection of GU10 lamps (that incorporate the company’s new Hybrid Reflector and U-DIM™ technology – see products here).  Available in both the popular Economy range and Professional range, these lamps are compatible with the widest possible range of existing dimmers, whether they are leading-edge or trailing-edge.

Overcoming LEDs and Dimming Problems:

Solution One: When keeping the traditional dimmer

For those installers faced with a homeowner who wants to keep their dimmers, wants LEDs and yet doesn’t know what type of dimmer has been installed, a solution is now at hand.  MEGAMAN has developed its new U-DIM™ technology, which takes the headache out of switching to dimmable LEDs.

MEGAMAN U-DIM dimmable LEDs are compatible with the widest range of existing dimmers, whether they are leading-edge or trailing-edge dimmers.  With the mains voltage halogen reflector lamps being phased out in Europe from 1st September 2016, home owners will need new lamps to operate perfectly with their existing dimmers and this dimming solution is a giant step in that direction.  U-DIM LEDs are easy to use and it is possible to ‘plug-and-play’ to upgrade a lighting scheme.

MEGAMAN U-DIM technology is offered as a standard feature on MEGAMAN Dimming LEDs and they offer superior performance and flicker-free dimming from 100% right down to just 5%.

Solution Two: When replacing with new LED dimmers

Dedicated LED dimmers are a good way to overcome many of the traditional dimmer/LEDs issues.  This is because they use micro control units to monitor and eliminate waveform noise and distortion, generating a digital signal to the control component that creates a stable and clean chopped waveform.  If these dimmers are combined with LED lamps that have been tested and approved for compatibility (this is usually found on the dimming and/or LED lamp manufacturer’s website) – see the MEGAMAN one here as an example, then smooth LED dimming is guaranteed from day one of installation.

Dimming LEDs Checklist:

  • Buy dimmable LEDs from a brand you trust

They will have tested a wide variety of dimmers with their lamps and have more comprehensive dimming compatibility lists

  • Trailing edge dimmers work best with LEDs

However, if the client doesn’t want to replace their leading edge dimmers, then use LEDs that have been proven to dim well with this technology, such as MEGAMAN U-DIM LEDs

  • If in doubt, contact the LED manufacturer

Unsure of whether the dimmer and LEDs are compatible?  Check with the manufacturer’s online compatibility list, or contact their team for more advice

*For more information on the halogen ban – visit www.planfortheban.eu

Visit Novel Energy Lighting to buy your Megaman U-DIM GU10 lamps today

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Nov/16

16

GDP due to lighting ‘must fall to tackle climate change’

The economic activity generated by the lighting industry will have to fall significantly if we are at address climate change, a veteran environmentalist has declared.
Former Friends of the Earth chief Jonathan Porritt says we must accept a reduction of the historic proportion of GDP attributable to lighting and its associated energy requirements if we are to have an impact on greenhouse gas emissions.

Delivering the inaugural annual lecture of the Worshipful Company of Lightmongers, he said: ‘We need to find ways of delivering increasingly sophisticated lighting services to the whole of humankind…in ways that cause considerably less impact, which probably needs less total economic activity.

‘Lighting is responsible for anywhere between 16 and 18 per cent of total electricity consumption in the world today, depending on how you do the calculations. So this is an absolutely massive part of the challenge. And although it’s rarely spoken about in those terms, people are beginning to understand that if we are going to make a difference to this story, we have to make a difference on lighting.’

Referring to the barrage of criticism from campaigners over the UK Government’s decision to approve a third runway at Heathrow Airport in London, he pointed out that aviation is responsible for 2 and 4 per cent of total global greenhouse gas emissions.

‘It’s relatively small in fact. When you compare lighting to these other big sectors, you can begin to see why it is people are focusing suddenly on the need to get lighting right.

‘What we know is that if you back right back before electricity to when people were using whale oil and tallow and candles, the contribution of the lighting industry as a whole has remained astonishingly constant over hundreds of years. It always contributes around 1.7 per cent of total GDP in any one year.

‘This rather amazing statistic was unearthed by Professor [Jeff] Tsao in the paper he wrote in 2010. And I quote: “New applications of increasingly efficient lighting technologies have consistently offset the energy efficiency gains from new lighting technologies almost exactly, leaving the portion proportion of global GDP attributable to lighting essentially unchanged for hundreds of years”.

‘So lighting’s always had this critical part in the economy of human societies at different points, at roughly 1.7 per cent of GDP.

’The problem is, we need to do something about that,’ he told a London audience of lighting executives. ‘I hope this isn’t going to upset people here but we kind of need to get that figure down. Because if we are to have a massive contribution from lighting to addressing this problem, we need to find ways of delivering increasingly sophisticated lighting services to the whole of humankind – not just the rich world – in ways that cause considerably less impact, which probably needs less total economic activity.’

However, he praised the lighting sector for its technological achievements, especially the development of the blue LED by Professor Shuji Nakamura and his team in the 1990s. Quoting the US Department of Energy, he said: ‘ “the widespread introduction of LEDs today will reduce electricity consumption by around 348 TWh by 2027, equal to the output of 44 large power plants, saving more that $30 billion at today’s power prices”. So you can see why this is going to have an impact on GDP. It takes $30 billion of economic activity out of the US economy, that translates through into the economic multipliers.

‘If the Indian government were to replicate the LED roll-out that it is currently undertaking in Pondicherry, it would reduce electricity demand by over 50 TWh and cut consumer bills by over $3 billion. These are just massive changes that are underway now.’

He also highlighted the president of Institute of Physics’ claim that the optimum use of LED lighting could reduce lighting’s share of the global electricity consumption in buildings from 19 per cent to 4 per cent. ‘That translates to the total electricity consumption of Europe.’

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Megaman, a leading LED lighting solution provider, is proud to announce the launch of a new selection of GU10 lamps that incorporate the company’s new Hybrid Reflector and U-DIM™ technology.

A new 4W (250lm) GU10 and 5W (360lm) dimming GU10, with 25,000 hours’ life, are now available in Megaman’s popular Economy range, whilst the Professional range sees the addition of a new 5.5W (500lm) and 7W (550lm) dimming GU10, both with 50,000 hours life.

All of the new dimming GU10’s incorporate Megaman’s revolutionary U-DIM™ technology as standard – making the lamps compatible with a wider possible range of existing dimmers, whether they are leading-edge or trailing-edge.

The new 7W addition to the Professional Range also features Megaman’s new Hybrid Reflector, providing excellent optics, high efficiency and precise beam control.

Megaman’s Economy range comes with 2 years warranty and the Professional range with 3 years as standard, extendable to 5 years through the website.

Buy Megaman GU10s from our website: www.novelenergylighting.com, or call us to discuss volume requirements: 0208-540-8287, email: sales@novelenergylighting.com

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Don’t wait for the phase out, switch and save today with LED alternatives!

In order to reduce C02 emissions, the European regulation is being enforced to stop the manufacture of inefficient directional halogen lamps.

From September 1st 2016, manufacturers will no longer produce:

  • Halogen lamps directional from
    C & D classes
  • Related products are PAR, R50/R63/R80
  • MR11 (low volt with below 4,000h)
  • MR16 main volt: low volt with below 4,000h

Switch to LED alternatives to save energy, reduce C02 and save money. Novel Energy Lighting offers a full range of LED lamps, tubes, and fittings from various top quality brands. To see all our products please visit us at: www.novelenergylighting.com, or call us 0208-540-8287, email: sales@novelenergylighting.com

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May/16

17

Take the plunge into LED Lighting

Since old fashioned incandescent and halogen bulbs are being banned by governments around the world, most home owners have had to consider low energy alternatives.

The favourite choice now is LED (Light Emitting Diode) bulbs, which are currently leading the field in terms of energy savings, product life and ease of use.

But how many of us understand the ways in which LED bulbs are different to incandescent models, and how to ensure that when we upgrade our lighting we actually make the right choices?

Let’s start with some basic facts about LED bulbs.

Basically, they offer a number of significant advantages to the obsolete incandescent types:

  1. Major power saving: LEDs use approximately five times less energy as incandescent bulbs. As an example, you can replace an old 40W reading light bulb with an 8W LED. And since LEDs offer a more focused light, the energy savings could be up to 90%, and you can therefore have a lower-wattage bulb.
  2. ‘Cleaner’ Product: LEDs are non-toxic, and in particular contain no mercury.
  3. Less Heat: Much less heat is produced by LED bulbs, in comparison with incandescent lights. That is especially important in Southern climates where air-conditioning is used.
  4. Longer Life:  LED bulbs do not need to be replaced very often – they can last up to twenty years in regular use.
  5. Better Investment: They do cost more to buy, but when you consider their longer life and energy savings, they are a great investment.

So, when the time comes to replace old light bulbs, LEDs are the obvious choice, but how do we go about making the right selection for our home? There are so many styles, sizes, shapes and special formats on the market now, how do you know which is the right one?

Here are some tips to help you make the right decision…..

Consider how much brightness you need

Back in the bad old days, we all got used to measuring a light bulb’s brightness simply by its wattage. A 60 Watt bulb gave us an average light output for most domestic situations. However, wattage actually measures the amount of electrical energy a light bulb uses – a lot of which is given out as heat. Clearly, an LED will use fewer watts to generate the same amount of light.

To make sure that you get an LED with sufficient light output, you will need to get used to measuring brightness in lumens. An old fashioned 60-watt incandescent bulb generates about 800 lumens, so to get an equivalent, you need to look for an LED rated at 800 lumens of light output. A lot of LED packaging will tell you what wattage of incandescent bulb the lamp would be equivalent to.

What about quality of light?

Depending on where you are planning to use the LED bulbs, the quality of light may well be an important factor. Light quality is generally measured by CRI or Colour Rendering Index. This number indicates how accurately the bulb illuminates colours on a scale from 1 to 100. If you plan to use the lamp frequently – say in a living room – or it is going to be used in a prominent location like an entrance hall, CRI is a very important metric to consider. However, if it’s going to go into an airing cupboard or toilet, CRI isn’t as crucial. CRI ratings in excess of 85 and above are indications of very good colour rendering.

Are “warm” or “cool” light colours important?

There is a wide variety of LED bulbs available now, offering a range of light “colour temperatures” in Degrees Kelvin, or simply “K”. How do you know what colour temperature works for you? Colour temperatures with high K ratings, 6,000 or more, are classified as ‘cool’ colours, while those with lower K ratings, 3,500 or less, are classified as ‘warm.’ You will find most retailers referring to their products as cool white and warm white LED Bulbs.

Warm white bears a close resemblance to the light produced by halogens and incandescent bulbs. It is soft, easy on the eyes and promotes a comfortable and domestic aesthetic. As a rule of thumb, warm white bulbs should be used in ‘habitat’ spaces, such as living rooms, hallways and bedrooms, and as general illumination. In contrast, cool white is a very bright, sharp white light; less suitable for domestic spaces where the brightness of the light can be too harsh and even create a clinical effect.

What shape or type of LED bulb do you need?

LEDs now come in a wide variety of shapes and sizes, and will be suitable for replacing just about any kind of incandescent light bulb. You will now find LED globe light bulbs, chandelier light bulbs, and reflector light bulbs – along with lots of newly manufactured shades, lamps and fixings that have them built-in.

The traditional “light bulb” shapes are designed to give an all-round source of light, for instance in a table lamp or ceiling fitting, and are known as “omni-directional”. Reflector types are designed to give light off in one direction, so they’re best for overhead lighting, spotlights, and display lighting.

How about replacing incandescent bulbs in dimming systems?

Unfortunately, many old incandescent dimmers aren’t fully compatible with LED lighting, so you need to be careful when considering dimming. Many of the newer types of LED light bulb do have dimming capabilities – a great option if you want to save even more energy and control the room’s ambient environment. But you may need to invest in an LED-specific dimmer. If you’re looking for a dimmable LED, carefully check the specification on the bulb’s packaging and make sure you control it with a compatible dimmer.

Some don’t like it hot!

LED based light bulbs work best when they are kept cool. If you use an LED outdoors in winter or inside a refrigerator, it will actually last longer. However, excessive heat can cause problems, particularly as LEDs exposed to extreme heat may degrade more quickly over time. So, if you plan to use them in an area that can get hot (like in overhead recessed spotlights) it would be better to invest in high-temperature specification types which use an advanced cooling system – like the types produced by Megaman.

And finally, how can you actually get the ball rolling to take advantage of LED technology in your home?

Right at the beginning it takes a little research effort – initially you need to go round your home and make a note of all the bulbs you are currently using – including wattage (60W, 100W etc.), type of fixture (screw, bayonet etc.), bulb type (reflector, standard, golf ball, etc.) size and colour (warm, cool, etc.). Also approximately how much usage each bulb gets.

Next you need to figure out the type of LED bulb which can be used to replace each incandescent type in terms of lumens, shape, size and fixture. Check out dimming requirements carefully, then make a comprehensive list and check prices on the Internet or through lighting retail outlets.

All that’s needed then is to make the investment, change the bulbs, and start making real savings on your electricity bill!

Visit www.novelenergylighting.com to explore the LED options available at great prices!

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Feb/16

12

Megaman: Retail Lighting Design Know-How

Why is retail lighting so important?

picture1_4 (1)

How can Megaman’s latest lighting solutions; including reflectors, modules and integrated fixtures enhance your retail application?

Attracting Customers

Lighting plays a crucial role in winning a customer’s attention, and designers are increasingly using it to enhance the shoppers experience, especially in high end retail shops.

Setting the Mood

Lighting affects customers mood and energy levels. It also provides guidance and orientation. The correct lighting creates a welcoming, comfortable and enjoyable environment, lengthening customers visits and influencing their buying habits.

Enhancing Product Appearance

A quality lighting system can make a big difference in retail settings by enhancing products visual appeal in terms of colour, shape and texture. Used correctly, lighting can provoke more interest in your product displays. For example; Megaman’s Perfect White technology enhances fluorescent whitening agents, making white products stand out from the crowd.

Creating a Desirable Instore Experience

Many luxury retail stores use a combination of ambient, accent and decorative lighting to create a positive shopping experience.

Visit www.novelenergylighting.com to explore the Megaman LED lighting range, or call us to discuss you retail lighting project. Tel: 0208-540-8287, email: sales@novelenergylighting.com

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Megaman has extended the comprehensive Economy Lamp range of LED lamps that have been designed to offer the perfect alternative to their CFL counterparts, using only a fraction of the power with no sacrifice in performance, output and quality of illumination. The Economy 15,000 hour lamp range, represents unbeatable value and provides a myriad of options to cater for the requirements of most domestic and leisure installations.

This extended range introduces the new Gold Filament range of classic and globe shaped lamps that have been designed for use in decorative applications, including restaurants, bars and other hospitality areas. These visually striking lamps have been designed with a 2200K colour temperature to provide an extra warm illumination for mood lighting. All lamps in the Gold Filament range are 3W and dimmable available in Classic, 95mm Globe, 125mm Globe and ST58, providing endless design possibilities. The lamp life across the range is an impressive 15,000 hours with 210 lumens.
No lamp range would be complete without the popular Candle lamp and the Economy Range includes 3.5W and 5.5W opal, both with an even light distribution of 330º and the 5.5W opal 4000K that also provides a 330º distribution but differ in its cooler appearance. Megaman’s LED Candle lamps are infinitely suitable for use in chandeliers and decorative fittings plus a host of other applications.
The Classic lamps in the range are available in 5.5W, 11W, 9.5W and 9.5W in 4000K/6500K colour variants that produce a ‘daylight’ effect for crafting and art use. All Megaman Classic LED lamps have an intelligent heat sink design and an even light distribution of 330º. A 10.5W Classic Shatterproof has also been included in the range, featuring a polycarbonate cover that makes it suitable for use in areas where glass covered lamps are not an option.
To complete the range, Megaman has included Globe, Golf Ball, G4 and G9 lamps, plus a revolutionary new LED tube in 9.5W, 18W and 22W that is compatible with traditional magnetic ballasts, offering a real alternative to traditional T8 fluorescent lamps.
The Economy Lamp range from Megaman carries a 2 year warranty and are manufactured using the same expertise that has made the Megaman name synonymous with reliable, energy efficient lighting that uses the very latest technology.

Visit us today to explore the Megaman LED range: www.novelenergylighting.com, or call us for quotations: 0208-540-8287

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Megaman Reports:  The LED lamp market is growing steadily with sales expected to reach £600 million by 2018 and it is still a rapidly changing technology. LED’s have become extremely popular for both domestic and commercial applications, with huge growth in the retail sector. The only problem with LED lamps is that whilst they will save up to 80% in energy when compared to a traditional light source, they tend to look very similar to each other, irrespective of the quality of the components that have been used to make them. The trouble is, they may look the same but their performance can vary considerably. This may be in terms of the light output, consistency of colour temperature, energy consumption or the longevity of the lamp.

 In many ways, this is potentially more of a problem with LEDs than other light sources because they are more complex than traditional lamps. For example, a typical LED lighting system comprises of a power supply that converts the mains voltage to a constant voltage, which is then supplied to the LED lamp. The role of the LED driver is to convert the mains supply into either a constant voltage or a constant current that is then supplied to the LEDs themselves. The constancy of the current ensures a constant light output, with the light output being proportional to the current applied.

An important point here is that energy is lost at each of the conversion stages described above and this can have a significant impact on the overall power supply efficiency. In fact, the power supply efficiency of LEDs from different manufacturers can vary from 50% to 90% and this will influence the overall energy savings that are achieved.

Also, the light energy generated by the LED is then converted to white light by exciting phosphors that coat the LED, in the same way that fluorescent lighting works. The quality and consistency of the phosphor coating has a direct impact on the consistency of colour temperature and colour rendering. There are huge advantages to be had for commercial lighting by getting the colour temperature right – mood can be increased and atmosphere created for hospitality, whilst the colours of merchandise can be highlighted in retail applications. Megaman lamps can achieve a warm temperature of 2400K for mood creation up to 5500K for colour enhancement in retail applications.  Megaman is now concentrating on improving the quality of light and the CRI not reducing the wattage.

While the factors described above apply to all LED light sources, there are also other considerations relating to retrofit lamps that are designed for fitting to an existing luminaire. For instance, the optical design of the retrofit LED lamp has a significant impact on overall performance.

In many retrofit lamps there are both primary optics and secondary optics. The primary optics are frequently built into the LED source, often in the form of a dome that helps to increase light output. There may then be secondary optics added to modify the beam width or light distribution, adding further to the complexity of the design and the intricacy of manufacture.

There is also the whole issue of thermal management as LEDs can generate a considerable amount of heat. If the temperature in the vicinity of the LED and its electronic circuitry is allowed to get too high this will both reduce light output and the life of the lamp. Retrofit lamps therefore have a built-in heat sink to conduct heat away from the sensitive electronics – so the efficiency with which the heat sink does its job is another important element in performance and reliability.

A lack of effective surge protection is also important, as is the use of a sealed housing to prevent moisture infiltration.

For all of these reasons it is clear that each of these components is important in the overall performance of the lamp that the end user experiences, thus reinforcing the importance of high quality manufacture using proven, reliable components.

Trusted brands

Given the complexity of LED lighting, as described above, the reasons for being very cautious when sourcing LED lighting products become immediately apparent. Megaman has addressed the issues above by launching product ranges using TCH technology (an ingenious highway design across the reflector to dissipate heat efficiently) for thermal control, instant start, smooth dimming, Perfect White and Dim to Warm. Megaman also use a ‘true size shape’ that allows easy retrofit and the process of ‘LEDification’ of the traditional light source formats is pretty much complete so there are now LED alternatives for the vast majority of lamp types.

Megaman’s Dim to Warm allows linear dimming from 2800K to 1800K, providing a perfect solution for many applications where it is desirable to change the ambience at different times of day. A cosy hotel bar is one obvious example of this. The fact that these lamps are available in candle, GLS, AR111 and GU10 formats also gives them very wide scope. Tuneable White allows commercial projects to choose between 3000K and 6000K so that users can tune the lighting to the shade of white they want, without needing to change light source, and dim it if necessary. Tuneable white lighting is ideal for multi-use areas or where there is a requirement to link to human-centric lighting systems. Perfect White which makes white clothes in retail look really amazing. This is a significant development because general LED lighting tends not to show plain white fabrics at their best, but by adding a violet spike to the phosphor mix their appearance is transformed.

Megaman is also producing fittings that meet the requirements of the hospitality and leisure sectors. Indeed, as the LED light source has become well established there has been a corresponding boost in the introduction of luminaires that have been designed specifically for LED light sources. This is a clear benefit as these luminaires are able to optimise the particular optical characteristics of LEDs to achieve maximum light output ratio and efficient light distribution. In parallel, the ability to use new thermoplastics in the manufacture of LED luminaires – something that couldn’t be done three years ago – is enabling luminaire designers to broaden their creative output.

2015 is set to be a very significant year for low-energy lighting in general, and LED lighting in particular. In order to achieve the maximum benefits available it is important to start thinking beyond simply swapping an energy-hungry light source for a more efficient one and begin to take advantage of the extra functionality that are now making possible. Additionally, Megaman has its own test facility and is able to subject its products to continuous assessment to ensure good quality control and consistent performance.

Visit novelenergylighting.com to explore the Megaman range of LED lamps and fixtures: http://www.novelenergylighting.com/catalogsearch/result/?q=megaman

Feel free to call us (0208-540-8287) or email (sales@novelenergylighting.com) with your enquiry, or request for volume quotation.

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Published on 29 Sep 2015
Philips Lighting chief Eric Rondolat has called on international business leaders to act on climate change by embracing new lighting technologies. PLUS: Internet of Things is theme of this year’s LuxLive show in London. Lux Today 29 September 2015 presented by Courtney Ferguson.

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