This technology category was REMOVED from the ETL on 7th September 2006 following an amendment to the energy technology criteria list (ETCL). Products are displayed for historical value only. Thermal screens are used in glasshouses to prevent energy being lost through ventilation, infra-red radiation or convection. All eligible products in this category appear on the Energy Technology Product List (ETPL). This is continually updated, with new products added and old ones removed at the beginning of every month.You will be able to claim an Enhanced Capital Allowance on a product if it’s on the ETPL at the time of purchase. If it has been taken off the list, or is added at a later date, you will not. So make sure the product you want to buy is on the list before making your investment. See below for all the products within this technology currently on the list. You can use the filter to search for products with a certain feature. Alternatively you can tick one or more of the check boxes and export them to Excel to compare products.