Contrast Limited are the creators of eco energy plus – an energy efficient, high performing, environmentally friendly window.


The eco energy plus 6 chamber system provides better insulation, strength and acoustic performance.

6 Chamber System
Lead Free
6 chamber system

Profile construction made from 100% lead free PVCu.


square-2Bubble gaskets give an enhanced weatherseal – less chance of warmth escaping and no noisy drafts


square-3Hinge screws located through two walls of thick PVCu for added security and strength, unlike other systems.

100% lead-free PVCu – helping the environment

The dangers of lead are well known – however the eco energy plus window and door system is 100% lead-free – better for the environment, and better for you, unlike many other systems in the market place.

Further proof of lead-free being the correct choice can be found in two regularly purchased retail products:

Petrol leaded 4 star petrol was withdrawn from sale in 2000 because of concerns over air and soil pollution and the accumulative neurotoxicity of lead

Paintin 1992, European Union legislation was implemented within the UK by the Environmental Protection, and lead based paint was banned from sale to the general public (apart from specialist uses eg. Historic buildings, arts)

Energy efficientthe eco energy plus window system uses it’s multiple chambers to lock in the heat, and high performing bubble gasket seals to ensure there are no gaps for heat to escape – it is arguably the most energy efficient window available.

The window is BFRC “A” energy rated as standard, but even higher A+ ratings are achievable, up to an incredible A+ 31.

Triple glazingthe eco energy plus window and door system has been purpose designed to accommodate triple glazing.

There is a flatter glazing bead specifically produced to enable a 36mm sealed unit to be fitted, and it is this wider sealed unit construction that results in an even better energy efficiency – the standard triple glazed specification has a U value of just 1.0 W/m2

For larger opening sashes, a heavy duty hinge can be used, ensuring the long term operational performance of the window is not affected.

Further benefits of triple glazing are improved sound insulation, and added security.


list Better energy efficiency

list Improved sound insulation

list Added security

Options and fine detail

Handles – Colours and Styles

White, black, polished chrome, polished gold , polished bronze and black “monkey tail”. Satin silver is also available.

The eco energy plus external window cill is 35mm deep at the front, looking more like a traditional thick timber cill. This is nearly twice the thickness of an industry standard PVCu cill.

The eco energy plus bay assembly is much slimmer than other conventional bay joints. This provides you with more glass area instead of ‘bulk’ of PVCu.

sash-horn-imageSash Horn Optional ‘run thru sash horns’ for top hung sashes only. An excellenct replica of a timber sash horn.

Security – please click the button below to see the eco energy plus locking system and security guarantee package

Enquire Today

Contact us today to arrange a visit from one of our specialist advisors or attach a PDF drawing or location image, for review and bespoke quotation.

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