This low operating cost and the potential reduction in cooling and heating cost make the ceiling fan one of the best energy saving devices on the market.
(This low operating cost and the potential reduction in cooling and heating cost; make; the ceiling fan one of the best energy) (the best energy; saving; devices; L:on the market)
This low operating cost and the potential reduction in cooling and heating cost the best energy
make saving
the ceiling fan one of the best energy
devices L:on the market