Disadvantages Expensive Contain very Far less energy Not energy small amounts efficient than efficient of mercury LED and CFL (converts only bulbs so more 5% of electricity Aren’t rated for expensive to to and gives cold climates operate out a lot of heat) where they may take time to Produce a lot of Shorter life span warm up before heat so can (750–1250 operating at full affect the type capacity of fixtures they are used in Don’t last as long as LEDs and CFLs Legislation More efficient A mandatory types will continue minimum energy (see research to be available but performance sites listed in the least efficient threshold for Activity 3) of this group will normal light bulbs be phased out took effect in Australia in November 2009. Any light bulbs with an efficiency level of less than 15 lumens per watt were targeted. There was an import restriction on these bulbs from 1 Feb 2009 and a phase-out timetable is in place. Environmental Waste of energy Should be issues recycled at special depots (see research to prevent sites listed in ending up in Activity 3) landfill Using less energy means reduced greenhouse gas emissions Additional Most cannot be Can be dimmed, Can be dimmed Can be dimmed information dimmed or be favoured in used in lighting spotlights and for
Disadvantages Contain very small amounts of mercury Aren’t rated for cold climates where they may take time to warm up before operating at full capacity Far less energy efficient than LED and CFL bulbs so more expensive to operate Produce a lot of heat so can affect the type of fixtures they are used in Don’t last as long as LEDs and CFLs Not energy efficient (converts only 5% of electricity to and gives out a lot of heat) Shorter life span (750–1250 Expensive Legislation (see research sites listed in Activity 3) More efficient types will continue to be available but the least efficient of this group will be phased out A mandatory minimum energy performance threshold for normal light bulbs took effect in Australia in November 2009. Any light bulbs with an efficiency level of less than 15 lumens per watt were targeted. There was an import restriction on these bulbs from 1 Feb 2009 and a phase-out timetable is in place. Environmental issues (see research sites listed in Activity 3) Should be recycled at special depots to prevent ending up in landfill Waste of energy Using less energy means reduced greenhouse gas emissions Additional information Most cannot be dimmed or be used in lighting Can be dimmed, favoured in spotlights and for Can be dimmed Can be dimmed
unit-of-work-yr8-light-up-the-globe.docx