Gas and Oil Home Heating Furnaces - Rangehood vent

My kitchen range hood currently vents back into the kitchen. I want to vent outside. The problem is the exterior is brick.

If I drill through the brick am I undermining the integrity of the Wall?

Does the hole have to be reinforced in any way?

Should I cut a rectangular or round hole? (If I go round I will have to run a duct, if I go Rectangular I can go straight out.)

Any recommendations on special tools?

Any other hints ot tips would be appreciated.

It may be easier to vent out through the roof depending on your installation.
Perosnally, I would aviod messing with the bricksif at all possible

Need a lot more info here first to say how to do it. Is the wall all brick or studs and then brick. Whats the fan outlet 6" round 8" round 3 1/4" X10" stack? like 54 said why cant you go out the roof. They have vent outlet jacks with dampers for just that.It could be best to look for another vent fan and hood that vents outs side. If this one is not made to do that;) ED

I appreciate the responses.

The roof option is not very feasable. It's a two story house with insulation between the studs.

The outlet intended would be a rectangular 3 1/4 x 10" hole or a 6" round duct.

I am replacing a "filter back into the room range hood" with a OTR Microwave with fan. If the whole scenario becomes too difficult I may just have revert to the "filter" method with the microwave.

I am not overly concerned with the appearance of the vent/wallcap outside, since it's in the backyard.

IMHO building codes should never allow those useless "filter and return" range hoods.
My range hood is just about as effective (I don't have ANYTHING over the stove, not even a cabinet)
I have been thinking of adding a range hood but first a cabinet needs to go on the wall, then runnign the power and cutting the wall.
Fortunately I have wood siding so that part would be easy as long as I miss the studs (no insulation in the walls to deal with either)

The house was built in '83. The local builidng codes do require proper ventilation now. Back then I guess everyone was more worried about how to get thier hair to stand up straight, when the next Miami Vice was on, when "Flock of Seagulls" was coming to town LOL ;)

I have seen some pretty neat range hoods that integrate the duct with the hood. You could also just put shelves or a winerack or something above the rangehood. You would just need an overhang that was well fastened to the studs. Just an idea...perhaps the cabinet might be the easiest.

There are a lot of ways to go here,but what are codes there first.
if you go to www.grainger.com You will see lots of way to do the vents They have the 8" and 10" kitchen wall fans for right out the wall . Then you have a 3 1/4"X 10" wall cap with a damper in it to go right out the wall there. The one party that dont have anything there . We have like put up a stainless steel range hood over the range then ran the vent pipe just up to the ceiling and out the wall. ran the wires down from the ceiling to the vent fan. Bent up a stainless box to fit from the fan to the ceiling so it would just cover the vent pipe and the wires;) Have fun ED

against an outside wall? sound like no major deal from what i understand.