Many LED Lighting units sold by Retailers and Wholesalers are non-compliant ETL (Energy Technology List) Substandard LEDs. This means they have a poor efficiency and durability for commercial premises requiring replacement after 3 or 4 years, generally these are a waste of money. Companies also lose out because Non-Compliant ETL LED lights do not qualify for ECA (Enhanced Capital Allowance) essential to Larger Companies and Corporates.