Friends this hooded glen chimney would give nice look to you kitchen.its very user friendly as it has easy cleaning windows.there is no other maintenance expcept periodic cleaning depending on how much oily food you cook.as we in our kitchen clean in 15 days.for cleaning just open two window below the hoods and wash in warm water and reinstall.its power consumption is also very low.so dont worry of extra electricity bills.
I have not used its customer service but its available at door step.so just go ahead with this product if its in your budget.