The hood was okay to install; not simple but also not too difficult.  However, just like other reviews might mentioned already, there are quite a lot of sharp edges inside so make sure you wear gloves when installing it.  The hood doesn't come with a power cord if you plan to plug it into an outlet instead of hardwiring.  I bought those 3 prong power cords for the food disposal with wire clamp and it worked pretty well.  Overall, the noise level is acceptable and the suction power is pretty good.