HEI Technology

HEI Technology

Products
Integrated Solar Street Lights, Solar Post Lights, Solar Bollard Lights
Headquarters
Ameisgasse 65
A-1140 Vienna
Austria
Web
https://www.hei.at
HEI Technology International GmbH is a pioneering global technology firm providing highly efficient outdoor solar lighting products. From our headquarters in Vienna, Austria, we develop cutting edge solar lighting technology which is then incorporated into our products. Established in 2001 we have almost 20 years of providing excellent sustainable energy development and sustainable design.

Back in 2007, HEI has started the development of solar light poles with integrated, cylindrical photovoltaic elements. Thanks to our clients, who are sharing our passion and vision for innovation and sustainable products, within just a decade HEI became a leading provider of solar light poles, high-efficiency LED luminaires, customized lighting columns and multifunctional poles for smart cities.

From illuminating the smallest parking lot, to providing light to huge public squares, we have introduced efficient and environmental-friendly solar lighting to the world. Our ambitious design approach can be fulfilled only with products with utmost efficiency, long life-expectancy, minimal maintenance efforts and least possible operating costs. This are the reasons, why our customers all over the world enjoy our products.

HEI uses cylindrically shaped, patented photovoltaic elements for its solar lighting systems. We keep our light heads and LED chips cool. Due to an excellent thermal management and a low LED driving current of maximum 350 mA (420 mA) we keep the junction temperature of the LEDs at a moderate low temperature level, even at high ambient air temperatures. Thus optimizing the light output and the life-expectancy of our LED luminaires. HEI luminaires come with outstanding efficiencies. Because of the outstanding efficiency and uniform light distribution of HEI light poles, the spacing between light poles can be often increased up to twice the distance compared to average-efficient lights. More light with less light poles. A detailed light planning shows the difference.

Most of HEI's outdoor lights (AC, solar) offer optional DLC Dynamic Light Control by integrated motion detectors. The luminaire is dimmed down and only turned on to full brightness, when pedestrians, bicycles, cars, etc. pass by and full light is really needed. This saves energy and contributes to less light pollution.

Moreover, all HEIs solar lighting systems are equipped with an intelligent, microprocessor integrated control unit. Different light profiles can be chosen and pre-set, to optimize the illumination at certain night times regarding the individual needs.

HEI solar lights are self-sustaining. But for sites outside the worlds sun belt, it might be useful, to have a backup system for long times of low solar irradiation, such as winter time. Most of HEI's solar lights can be equipped with such a backup system, called "hybrid power supply".

HEI solar light poles are self-sustaining systems without AC grid connection. The sole energy source is the sun. Solar energy is collected by the PV module during the day and stored in a battery. To secure perfect operation of the lights even at bad weather conditions (rain, winter, etc.), HEI solar lights are designed to bridge several days of bad weather with reduced energy yield from the sun.

The straightforward forms and the aesthetics of our lights are perfect for modern, quality architecture in the public and private environment. The modular design of solar lights allows for adaptations in design as well as in functionality.
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