Related by context. Frequent words. (Click for all words.) 70 compact fluorescent bulbs 66 CFL bulbs 63 light bulbs 63 CFLs 62 compact fluorescent light 60 incandescent bulb 59 light bulb 58 fluorescent bulbs 56 programmable thermostat 56 bulbs 56 reusable bag 55 bulb 55 watt bulb 55 incandescent light bulb 55 lightbulbs 55 lightbulb 55 compact fluorescents 55 ENERGY STAR qualified 53 incandescent bulbs 53 LED bulbs 51 LED lights 51 reusable shopping 49 programmable thermostats 47 fluorescent tubes 47 kilowatt hours 47 watt 47 ENERGY STAR 46 incandescents 45 fluorescent lamps 45 ENERGY STAR ® 45 thermostat 44 LED lamps 44 water heater 44 kilowatt 44 recycling bins 43 dehumidifier 43 halogen 43 recyclable 43 reusable bags 43 compost bin 43 solar panels 43 kilowatts 42 LEDs 42 kWh 42 toaster oven 42 recycle 42 thermostats 42 rechargeable batteries 42 clothes dryer 42 watts 42 incandescent light 41 volt 41 compost bins 41 dishwasher 40 Recycle 40 smoke detector 40 environmentally friendly 40 fluorescent lighting 40 toaster 40 weatherizing 40 air conditioner 40 light emitting diode 40 installing solar panels 40 inverter 40 household hazardous waste 40 fluorescent lights 40 air purifier 40 smoke alarm 40 recycling bin 40 kilowatt hour 40 unplugging 40 rooftop solar 40 dimmers 39 PPL Electric Utilities 39 recycling 39 carbon footprint 39 surge protector 39 Unplug 39 Weatherization 39 AA batteries 39 wood stoves 39 batteries 39 Earth Hour 39 charger 39 weatherization 39 LED lighting 39 Energy Efficiency 38 battery powered 38 install solar panels 38 showerhead 38 volts 38 refrigerator 38 rebate 38 photovoltaic panels 38 refrigerant 38 plastic bags 38 environmentally conscious 38 wattage 38 coffeemaker 38 smoke alarms 38 tankless water