Related by context. Frequent words. (Click for all words.) 84 retrofit 78 retrofits 66 retrofitted 58 refurbishing 53 renovating 52 upgrading 52 renovations 51 remodeling 51 installing 50 renovation 49 remodel 49 upgrades 47 repairs 47 repairing 46 refurbishment 46 refurbish 46 boilers 46 renovate 45 environmentally friendly 45 refit 44 cleaner burning 44 constructing 44 sprinkler systems 44 LEED 44 LEED certification 44 reusing 44 redesigning 44 emission reduction 43 LEED certified 43 upgrade 43 environmentally sound 43 replacing 43 efficient 43 installation 43 greening 43 weatherization 42 outfitting 42 repainting 42 Renovation 42 Upgrading 42 HVAC 42 modular 42 equipping 42 buildings 41 demolishing 41 modernizing 41 razing 41 Energy Efficiency 41 building 41 redoing 40 water heaters 40 saving 40 modernization 40 electrification 40 reduce carbon emissions 40 retooling 40 Remodeling 40 solar panels 39 structurally sound 39 construction 39 restorations 39 efficiency 39 renovated 39 diesel powered 39 refurbished 39 install 39 Renovations 39 sprinkler system 39 ENERGY STAR 39 redesign 39 emission reductions 39 LED lighting 39 improvements 39 cogeneration 39 sprinklers 39 rebuilding 39 renewable energy 39 reducing carbon emissions 38 heating ventilation 38 reuse 38 environmentally sustainable 38 alternative fuels 38 maintenance 38 remodeled 38 light bulbs 38 Installing 38 rehabilitating 38 repair 38 economically feasible 38 redeveloping 37 environmentally responsible 37 emission 37 reconfiguring 37 relocating 37 insulation 37 water heater 37 composting 37 CFLs 37 demolition 37 wiring 37 LED lights