Student and Community Outreach on Renter’s Efficiency $.C.O.R.E. Program helps student renters save money on energy bills! Each assessment, scheduled at your convenience,lasts about an hour.We (CU student technicians) install FREEenergy saving devices like; CFL light bulbs, weather-stripping, sink aerators, window film, pipe insulation ect... You also get a FREE large Cosmos for participation. Sign up at our Website