All slide ins will have fans that cool their electronics.

Sophie understand that and noted in initial comments but since manufactures do not give sones and consumer reports does not even mention that they make noise it was a new experience for us. Looking for responses from individuals that can say hay this unit is real quite, or our fan only runs during preheat.
Sound levels are rated in sones where the lower the rating number, the quieter the fan. Typical economy fans are rated at about 4.0 sones or more while any fan rated 1.0 sones or less is very quiet.
I would say the KitchenAide fan was a 4. Looking for a quite unit.

We also had a kitchen aid slide in range in our previous house and hated the noise of the fan that would run endlessly until it had cooled down. Aside from also bad experiences of failing electronics on these types of appliances, I decided that our next range would be a Wolf (or similar) gas range without the myriad of electronics.

No gas line to that side of the slab house so not an option. To expensive to run a line and we have solar that pays our electric bill so also not a good use of resources. Thanks for the feedback though.

Did you find a quieter slide-in range to replace the Kitchenaid?

We have the Architect series and the fan runs endlessly and is unbearably loud and high-pitched. Oven takes much too long to reach set oven temp. ie 35mins to heat to 375°. Disappointing purchase. Certainly not a pleasure to cook or bake with this oven.

Sorry have not been on the site in a few weeks. Now we ended up using our original GE Profile Slide in range for now. Beige in color so it matches cabinets and does not sickout like a sore thumb. Our sister-In-law picked out the same Kitchen Aid range originally and returned for a GE. It has a blower but the pitch is more base than treble so it does not offend the ears as much. We will wait till the engineers get smart as fan noise can be dampened they just need to see returns or decline in sales before they will invest time and energy. I did send a note to Consumer Report asking then to include this data next years reviews as it just does not make since to have your other appliances quite and this one loud. We do love the new kitchen and space afforded so things do not fall out of the draws when they are opened.

It is 2016! Has anyone had any luck finding a quieter gas stove? I researched every kitchen appliance except my stove. Went for looks, got a Viking. For two years I have been looking for a replacement - it too sounds like a jet engine and takes longer for the fan to shut off after cooling than I spend cooking something. I avoid it every meal I can and just use the stovetop. Hoods, dishwashers, fridges - all have figured out the fan engine type and insulation equation. Any choices???

I couldn't be happier than to find this thread! My just-over 1 year old Frigidaire wall ovens just started making the very loud vibrating noise coming from the exhaust fan that people are describing here. I am glad to hear it is happening across brands. Another thread online revealed an 'expert' who said to remove the control panel and replace the fan. Sounds a bit daunting for a homeowner to do (maybe?) but that sounds like the resolve across the board: replace the fan. I will probably call Abt and put in a service ticket ... I hope they don't charge me an arm and a leg because I (foolishly) didn't buy the extended warranty. Did I mention the ovens are just over a year old?

Finally an update to our range dilemma.

We just had the Bosch HEIP054U a step up from 850U (850 with all the
bells and whistles thrown in). When the burners are on 4 reg and one
warmer there is a slight fan noise that is almost non existent. This
keeps the electronic controls cool so they do not burn out. This unit
has a button you can push for quick preheat. I set the over at 375 for a
test and it was there in 15 minutes. I set the over timer for 20 so the
oven would shut off at that time to see how long the fan would run after.

Once the oven is turned on you
can hear the fan as it goes up in sones but is not bad, compared to
some other units we have heard. The fan on this unit shut down 15 minutes
after the oven shut off. We had purchased the Kitchen Aid Arch II series
in 2014 and sent it back the day we plugged it in for a few reason:
1) It took the over 30-45 minutes to
preheat.
2) The fan ran for 1.5-2 hours after we shut the unit down. Way to much
noise and the sones were higher than the
Bosch.
3) the heat and fumes came out the front of the range between the door
and controls.

With the Bosch there is no heat or fumes coming out
the front. It all goes out the vent at the back of the unit. A little
commonsense and engineering goes a long way. The handle on this unit does not have quite as much of a curve as the
Kitchen Aid but is not real noticeable. That being said it is 5-6 ft
away from any other appliance. We did looked at the induction top but another $1,000-1,500 to get the meal done 5 minutes faster is crazy, there is a limit.
Note *If you go with Gas
models it is my understanding that there is no fan noise unless you use
the convection feature. We did not go this route as we were not informed
of the fan noise issues that were popping up until after all wall were
sealed back and cabinets in place.

We have had an expensive GE Cafe gas cooktop drop in range electric/convection oven combo for 4 years. I hate it only because of the horrible fan noise that starts at 360 degrees and lasts forever. The dealer replaced the fan but it made no difference. My son has the same type of unit in a Frigidaire. Still noisy but not as much. Ours is horrible and very disappointing. I have no clue what to buy next time.
N

if you leave the door ajar after taking dinner out the fan turns off pretty quickly.

That is what we do. The repair person advised against it because doing that may overheat the front control panel and fry the electronics. Can't win.

Well we had the. Bosch repair man out this week as the cooling fan was going up and down in speed. Well when he was repairing he took the back plate off that covered the fan housing. I noticed when he did this that the noise diminished substantially. After replacing the fan and finishing up he left. The unit was quite loud and high pitched. The high pitch is the issue for us and I am sure most that have done any posting. I pulled the unit away from the wall and removed the top screws attaching the back plate to the upward facing vent on the top back. I then tilted that back plate out away from the back of the stove about 1/4-3/8" and used silver heating tape to hold in place on both sides. It is very secure and top vent has own scores holding in place. When I slid it back into position is was about 1/16" from the tile backsplash which is not noticeable At all. Advantage - there is now limited fan noise and it is low pitch not high and annoying. All Bosch needs to do to correct this high end stove is increase the fan chamber in the back 3/8" so the fan has adequate space to dissipate the air that the fan pulls through. This would also reduce/eliminate the reverberation noise as well, which causes the high pitch sounds. It is a great stove and cooktop except for this one small issue. Bosch can correct and say they have the quietest Stove and Dishwasher. what a marketing coup.

I have also started leaving the door open so that the oven cools down faster and the fan stops. Works just fine ... but wouldn't the fan (not the convection fan) stop because the oven had cooled down enough to turn itself off? The risk doesn't quite ring true with me.

The fan is for the electronics, not the oven cavity. Cooling the oven cavity only has an incidental relationship with the interior of the oven where the electronics are located. If opening the door blocks or introduces heat into the electronics interior cavity, then you are actually prolonging the fan noise, and more importantly, adversely affecting the long term reliability of motherboards. When the manufacturer tells you not to open the door, there's probably a pretty good reason to not open the door.

On the Bosch unit, the vents that the fan is pulling air through the internal cavity for cooling, is just below the electronic oven controls. The fan as others note is cooling the cavity where the oven heating element now resides which is hidden versus what was once seen. Cracking the back panel open just gives the air the fan is trying to move through this cavity more area to be moved or released. This area use to build up pressure as the space was to confined for the amount of air that was being put into it. By open this space slightly the air still comes out where it is suppose to come out, but without the noise. If you do this you do not have to do anything special to try to cool the unit down quicker as the noise is no longer an issue and I truly do mean non issue as it sounds a little like a far away background hum. I do not know it this would work on other manufactured units but this fan housing is a girble wheel type fan that pulls air through the top parallel to the ground but throws in perpendicular so up. Because the back panel is still there no excess heat is being thrown at the wall and it is all being forced upward. This would only work if your unit pulls the air to the back of the unit. Most of the units we looked at pulled air towards the front and heat came out between the front door and the electronic front panel so there is warm air being throw at the cook. It can make the oven door handle warm or hot as well. Plus if it comes out the front the vent fan above the stove that is to pull smoke out and away from the dwelling is not over where the smoke is coming out. My dad was an engineer and when a design is made it can not be made for monetary reasons only, common sense has to be a factor. Does air coming out the front sound like common since? Not in my book. Look for a unit that has a vent that sticks up slightly at the back. You may lose some of the sleekness in the look but for a practical well though out reason. Design has to go hand in hand with use and funcuality.

Update.
When I looked at this issue in a little more depth I noticed if a hand was placed over the blower when it was running, it went way up in pitch and sound dbs. I also noticed that the back plate had a angle bend that covered over part of the fan, when it is screwed into place. With Some deduction and reasoning skills I decided to bent that angle strip of metal flat, that was going over just the fan part so the air movement was not being restricted through the fan. I then replaced the cover and screwed it in place. The fan no longer goes up or down in pitch while it is cooling and again is quite so it is barely noticeable and low pitch when running. Unit is now all screwed up tight and looks factory. Posting so that other know how to correct but keep unit as one pc as it came from factory.+

Willsellaz, can you post a picture of your repair? I need to do the same.