5. Performance tests : Solar insert heat reflectors for Polycarbonate Conservatory roofs.

Transparent Heat reflectors simply and quickly incorporated ‘in-situ’ into Polycarbonate Conservatory roof panels, Polycarbonate roof panels, and roof-lights in Conservatories, Home extensions, Offices, Warehouses and Factories.
Eliminates 85% of Sun’s heat and Glare for cool and comfortable summer temperatures and improved winter insulation. Eliminates the need and or cuts the cost of air-conditioning. Transparent to let in the light.
For more information please visit our website www.hitg.co.uk.

[@yjharvey7824]

This was posted 3 years ago. It looks very convincing but why I don't see this product anywhere else? I would like this installed if it is working like the video says.