Related by context. Frequent words. (Click for all words.) 86 light bulbs 68 light bulb 68 lightbulb 64 compact fluorescent bulbs 64 fluorescent bulbs 64 bulbs 61 incandescent bulbs 59 CFLs 59 incandescent bulb 58 CFL bulbs 57 LED lights 55 bulb 54 incandescent light 53 LED bulbs 53 compact fluorescent light 52 lamps 52 lights 52 fluorescent lights 51 fluorescent lighting 50 toasters 50 fridges 50 lighting fixtures 49 LEDs 49 incandescent 48 solar panels 47 electrical appliances 47 LED lighting 47 light emitting diodes 46 washing machines 46 air conditioners 46 wattage 45 household appliances 45 light emitting diode 45 globes 44 lamp 44 lampshades 44 water heaters 43 electrics 43 electricity 43 bathroom fixtures 43 kitchen appliances 43 streetlights 43 lighting 42 batteries 42 fluorescent 42 photovoltaic cells 42 microwaves 42 stoves 42 lanterns 42 installing solar panels 42 dishwashers 42 appliances 41 thermostats 41 water heater 41 heaters 41 halogen 41 light emitting diode LED 41 photovoltaic panels 41 TVs 41 watt 40 chandelier 40 cathode ray tube 40 LED 40 chandeliers 40 photocopiers 40 refrigerators 40 washing machine 40 torches 40 boilers 40 air conditioner 39 vacuum cleaners 39 faucets 39 microwave ovens 39 toilets 39 toilet paper 39 thermostat 39 toaster 39 watts 39 neon lights 39 flush toilets 39 plumbing fixtures 39 energy 39 OLEDs 38 urinals 38 photovoltaics 38 inverter 38 battery powered 38 ENERGY STAR qualified 38 ovens 38 unplugging 38 dishwasher 38 neon signs 38 chargers 38 Energy Saving 38 smart grids 37 roof tiles 37 plastic bottles 37 wood stoves 37 lamp posts 37 neon 37 Osram