Natural Daylight Systems
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Natural Daylight Systems

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Airtherm have now introduced the new solarspot natural ventilation system to lour portfolio of eco friendly products. ...

Airtherm have now introduced the new solarspot natural ventilation system to lour portfolio of eco friendly products.

Light pipes – the facts
The performance of any Tubular Daylight System (TDS) is governed by a number of factors. These can be separated into two categories; product specification and the building specification.

Taking the latter first, this will be the dictated by the building design and location. The length of the tubes and the orientation of the domes on the roof will all affect the performance of the daylighting systems in the building and are usually restrictions that can not be changed.

The former however, will also have a huge affect on the amount of natural light delivered and this is where correct system specification is vital. In essence, the maximum light will be delivered from a short, wide TDS located on a bright aspect. Fine in a perfect world, but not always practical. That’s why it’s imperative for designers and specifiers to understand the differences between the various TDS systems available and which sizes are required to deliver the optimum daylight levels for their projects.

Up to 50% brighter than the next best system
All TDSs are not the same. For example, Solarspot is not the only system to employ a tube system with a reflective value of 99.7%, what is not made clear however, is the effect the dome design has on the amount of light entering the tube. In fact, some domes with moulded lenses are actually designed to restrict light entering the tube at midday. This is fine for areas that are blessed with an abundance of sunlight – the Mediterranean or California – but of little use to anyone designing or living in a building in the UK. It also has a similar effect on cloudy days, actually blocking light into the system.

That is why Solarspot® systems employ a clear dome with a Fresnel RIR® Light Funnel located in the mouth of the tube. This innovative and unique solution ensures that the maximum amount of low-level light is harvested, capturing light on north-facing roofs, whilst providing a clear path for maximum delivery of over-head light – either direct sunlight or over-cast daylight. Couple these exclusive dome technologies with Solarspot’s Vegalux® super-reflective tubing and performance figures of up to 50% better than those of the best other rigid systems are easily achievable.

These patented technologies are standard across the complete Solarspot range of products from the compact D-25 system right up to the impressive D-90 unit.

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Natural Daylight Systems Natural Daylight Systems Document Transcript

  • P: 0844 809 2509 F: 01384 375218 E: sales@airtherm.co.uk FLUE DILTION HIGH PERFORMANCE SYSTEMS FOR A RANGE OF APPLICATIONS Dilution
  • If you would like to read the full report from BRE you can download it from our website at www.airtherm.co.uk
  • Our technical department is able to supply full lux calculations and Cad drawings for any commercial project. For advice or technical support contact us on 0844 8092509 or email our team sales@airtherm.co.uk Airtherm Engineering Limited Unit 8A, Gainsborough Trading Estate Rufford Road Stoubridge West Midlands DY9 7ND With patented light harvesting technologies and The world’s most reflective transition tubing. Solarspot systems are able to deliver more daylight over longer distances than any other natural light source on the market a. Office buildings in French Polynesia Uses multiple Solarspot D-53 systems and square diffusers with transition boxes to integrate perfectly with a Suspended ceiling. b. Reception area in Italy uses a D-38 open ceiling unit to bring natural daylight into a dark corridor area. c. A French School uses multiple Solarspot D-53 systems with transition Boxes to light the internal corridors. d. This Hungarian Lecure College uses six Solarspot D-38 units with round ceiling diffusers provides the daylight to the windowless area. e. Multiple Solarspot D-63 open ceiling lamp units to provide all of the natural light for this new-build manufacturing facility in the Netherlands.