We have had a solar tube in our upstairs bathroom since we purchased our now 20 year old home 7 years ago. Saw the Capital City Daylighting people at the State Fair last year and went back this year to have them come upgrade our solartube which had been installed improperly by our builder (not Capital City Daylighting and replace our electric attic fan w, which had already burnt out 1 motor, with a new solar powered attic fan.. Arrived right on time, performed work efficiently, asked my opinion when any question arose, and cleaned up fully afterwards. Very impressed with Capital City Daylighting.