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homewatt.co.uk started selling a range of compact fluorescent bulbs directly to the public in 2008. Notable for their quick start times, high brightness and warm colour the range took quickly became popular and was specified by a number of UK local authorities for use in energy efficiency projects.
Also sold from the start was a single style of GU10 LED bulb. The technology was basic using a cluster of 48 low power LEDs and total light output a maximum 100 lumens. But even then a choice of warm and daylight white was offered.
Since 2008 Homewatt's product range has migrated almost completely to different styles of LED bulbs.
Homewatt's basic premise is to offer high quality products with the minimum amount of added cost between the factory and the consumer. Today most of the range still carries the Homewatt brand name and is specified and sourced directly from the factory.
Homewatt tries to be a responsible producer. We believe we were the first UK retailer to register LED bulbs for WEEE and we try to minimise the use of unnecessary and non-recyclable packaging as much as possible.
LED bulbs are electronic devices relying on Light Emitting Diodes which use electrical energy to produce light by electroluminescence. By contrast traditional domestic light bulbs work by heating a filament (resistor) to produce light as black body radiation.
LED bulbs consist of 3 core components, all which are evolving rapidly:
The materials used in the manufacture of LED bulbs varies widely. In general more expensive bulbs will use bether quality components throughout, improving both the quality of light and the likely life of the bulb.
Homewatt offers a range of LED bulbs including the high-end Astralumen™ range. Although we sell across Europe and beyond we are particularly mindful of the UK market when designing our LED bulbs. The UK used to operate at a higher voltage than the current European standard and much of the legacy infra-structure is still in place. High and erratic voltage has been shown to reduce the life of LED bulbs due to the strain it puts on the components in the driver circuit. Our design tolerances reflect this with a maximum voltage of 264V AC as standard.
Our LEDs are sourced from good quality manufacturers such as CREE of the USA, Samsung of Korea and Epistar of Taiwan.
Our top end Astralumen™ range uses cold forged aluminium as the heat sink material. It's more expensive but conducts heat up to 2.5x better than the normal materials used, prolonging the life of the lamps whilst allowing them to run at higher levels of brightness.
Our short supply chain approach minimises the costs and margins in the distribution chain making our bulbs excellent value even if they are not always the cheapest.
We estimate a 5W GU10 LED bulb will save around £8 per year when used for 1,000 hours. In a kitchen or hallway where lights are often used for much more than average savings could be has high as £15 - £20 per year. The highest saving figure assumes the lights are on for 7 hours/day on average.
There are a few "buts" though:
All our LED bulbs are highly efficient and meet the requirements of Part L with a luminous efficacy in excess of 40lm/W.
Homewatt offers an wide range of high quality LED light bulbs and a shrinking range of low energy compact fluorescent light bulbs. We aim to offer market leading functionality at unbeatable prices. The majority of our products carry our own name and we work alongside our manufacturing partners to ensure innovation in functionality and design.