COZY HOME Group takes an active involvement in ensuring architects, builders and homeowners can have total confidence that its windows are amongst the most thermally-efficient on the market.

Current Building regulations in England and Wales allow a whole window u-value of 2.0 W/m2K. From March 2003 the regulation in Scotland was reduced to 1.8 W/m2K - a move which may well be copied in England and Wales within the next three to five years.

Installed correctly, all COZY HOME Group's frames fitted with Pilkington K Glass™ meet or exceed Part L of the Building Regulations.

Independent Hot Box Testing carried out to BS EN ISO 12567-1 at the National Physical Laboratory in London, produced the current results for COZY HOME Group window systems. 'Build Check' calculations have indicated that subject to specification clarification that Windows for Life ® 58mm GOLD series, 70mm GOLD and Connoisseur can achieve 'B' - 'E' ratings.

Windows for Life ® 70mm GOLD (five chamber) with specialised glazing can achieve 'A' rating.