Related by context. Frequent words. (Click for all words.) 64 underfloor heating 61 boilers 58 1kW 58 electrically heated 57 biomass boilers 57 cavity wall 56 loft insulation 55 water heater 55 biomass boiler 55 double glazing 55 fridge freezer 55 #kw [002] 55 hydronic 55 5kW 55 CCGT 55 tankless 54 #KW [001] 54 #.#kW [001] 54 furnace 54 particulate filter 54 pellet stove 53 water heaters 53 programmable thermostat 53 #kw [001] 53 heating 53 fridge freezers 53 microturbine 53 hobs 53 #kW [001] 52 boiler 52 evaporator 52 dehumidifier 52 3MW 52 microgeneration 52 steam boilers 51 radiant heating 51 low flow showerheads 51 AlertMe 51 glazed windows 51 patio heaters 51 heat exchanger 51 electrolyzer 51 LED lamp 51 poorly insulated 51 HEPA filter 51 combustion turbines 50 kW 50 ducted 50 radiant barrier 50 Water Heater 50 solar photovoltaic panels 50 clothes washer 50 #kW [003] 50 Thermostats 49 diesel particulate filter 49 compressor 49 fluorescent lamp 49 furnaces 49 downlights 49 heaters 49 furnace filter 49 rooftop solar panels 49 pipework 49 preheating 49 Longannet 49 standby generator 49 kitchens bathrooms 48 flue gases 48 turbine 48 heater 48 solar thermal 48 tidal turbine 48 interconnector 48 dual flush toilets 48 inverter 48 lumen output 48 spray nozzle 48 pane windows 48 thermally efficient 48 fluorescent tube 48 tankless water 48 CORGI 48 Energy Saving 48 evaporative cooling 48 fluorescent fixtures 48 gas recirculation 48 CPU cooler 48 Kw 48 microturbines 48 turbo diesel engine 48 anaerobic digestion 47 mains 47 electronic ballasts 47 1MW 47 combustor 47 programmable thermostats 47 dimmer switches 47 Centrica 47 steam turbine 47 #V AC [002] 47 halogen lights