Related by context. Frequent words. (Click for all words.) 79 wood stoves 68 stoves 65 wood stove 61 space heaters 60 fireplaces 54 furnaces 54 boilers 53 burning stove 53 wood pellets 51 heaters 51 chimneys 50 fireplace 50 heating 50 firewood 49 wood 48 stove 48 carbon monoxide detectors 47 furnace 47 air conditioners 46 cookers 46 flue 46 chimney 46 ovens 46 water heaters 46 charcoal grill 46 charcoal 45 propane 45 Stove 45 hearth 44 smoke detectors 44 incandescent bulbs 44 heater 44 carbon monoxide detector 44 CFLs 43 radiant heat 43 ductwork 43 campfires 43 cleaner burning 42 smoke alarms 42 wintertime 42 carbon monoxide 42 combustible materials 41 light bulbs 41 carbon monoxide poisoning 41 vinyl siding 41 biomass 41 water heater 41 clothes dryer 41 grills 41 roofing materials 41 air conditioner 40 kitchen cabinets 40 holiday decorations 40 air pollution 40 ventilation 40 incinerators 40 wood chips 40 electricity 40 boiler 40 fluorescent bulbs 40 radon 40 thermostats 40 particulates 40 lamps 40 coal fired 40 fossil fuel 40 drafty 40 CFL bulbs 40 particulate matter 39 attic 39 fossil fuels 39 window coverings 39 yurt 39 septic tanks 39 cleaner fuels 39 electrical wiring 39 ventilators 39 plumbing fixtures 39 insulation 39 lawn mowers 39 kitchens 39 extension cords 39 burners 38 hickory 38 porches 38 sprinkler systems 38 lightbulbs 38 wood floors 38 bird feeders 38 respiratory illnesses 38 BTUs 38 outhouses 38 geothermal heating 38 natural gas 38 countertops 37 greenhouse gases 37 kilns 37 lighting fixtures 37 geothermal 37 barbecue grill 37 Christmas decorations