Top Shelf TSB-2438 Universal Heavy Duty Window Air Conditioner AC Support Bracket -Holds Up to 200 lbs., No Drilling or Tools Required, White

The unit is good quality and sturdy. Installed easily in vinyl replacement windows. My ac unit does not have a flat bottom, and so sits unevenly on support. This also effects the moisture draining.

I was so enthusiastic about this product. A screw-free design was exactly what I was looking for (I even googled it), as Id like to move my small Frigidaire AC from room to room as needed. I dont plan to use the AC extensively anyway, just need it for those random hot days on the coast. Thus I really wanted to avoid putting holes and hardware all over my window. I carefully read the description and my Andersen vinyl-clad windows fell neatly within the specs described. No rep contacted me after the sale, as other reviewers have stated. The shelf arrived in two days, and was incredibly easy to put together. Its a slick little shelf that is engineered smartly and sturdily. Every part was pressure-button adjustable; I didnt even need a screwdriver to put it together. The pressure buttons have a front and back, with the back slightly offset so there is no risk of the bar sliding uncontrollably when you depress the button. Thoughtful safety feature. Of course then I carried it to the window and attempted to install it. No matter how I situated it, I couldnt make it sit flush...with anything. The brief instructions are void of adequate diagrams, and the one photograph online doesnt sufficiently illustrate how the sill stop wings sit. The frame rail sits inside the window on the sill. But when the wings are extended to the window frame, they are notched in a very specific pattern which doesnt necessarily reflect that of the window trim. If the trim has any profile other than a plain 90 degree corner, it isnt going to fit cleanly. So there was a sizable gap between the frame rail and the sides of the window. Once seated on the sill, it tilted precariously on the outside portion, as the outer window ledge is angled downward for drainage (arent they all?), leaving only the legs to support the unit outside the house. This still might have been acceptable, but the angles were so sharp that, once the square upper sash was lowered onto the tilted top rail of the AC, there were gaps all around - a job worthy of a can of spray foam. The lower rail of the AC didnt even fit square within the frame rail, since the shelf was angled and the AC wanted to sit relatively square. When the AC side panels were extended, the resulting side gaps were enormous. I didnt expect an airtight fit, but the fit was so haphazard it seemed like the AC and the shelf were built for two entirely different purposes. The AC is already designed to seat with a downward draining angle; perhaps it was just poor fit that gave the shelf itself an approximate 10 - 15 degree slant. If the AC rail wasnt lodged inside the frame rail, it would have simply slid off the shelf. After adjusting and shifting and angling and maneuvering, I finally pulled the shelf out and rested my little AC directly on the sill, lowered the upper sash and extended the side panels. I included the picture herein, because with a near-perfect fit like this, I dont think I need to drop $100 on a shelf that will move my 41lb AC into a cockeyed position that will require miles of insulation and a handful of screws. That kind of defeats the goal of keeping it portable, so unfortunately the shelf is going back. On the bright side, this is a rockin little AC, and the $100 refund comes close to paying for a second one - maybe I dont need to move it from room to room after all.

Product is very solid and fits really well into my window frame. Did slightly adjust where the AC lines up with my window so the lip doesn’t exactly align, and some air gaps increased, but that’s because I have an old style house where the side panels don’t line up with where the window slide open. Some rolled up towels were able to seal the gaps. Definitely feel much better about having my window AC above the front of the house, especially if we experience any big earthquakes, I feel like this will actually stay in the window now. Anyways, my product had a slight defect (defects happens even with the best product manufacture design), I reached out to customer service, and they sent me a replacement piece right away. Replacement piece works great. Would buy again.

Impressed by sturdiness and ease of use. More expensive than many alternatives, but worth it for the strength and ease of application.

With this platform/bracket feel way safer wrestling to put a +60lbs, unwieldy, fragile in the back, pain in the everywhere ac unit in. 30 secs to put together, 5 stars. Once in properly really sturdy and easy to maneuver big ac in place, 5 stars. Getting properly in place, 3 stars for 2 easy to fix problems. First, the feet should not be able to flip a full 180°, a small bit of metal would have saved me 10 minutes of thinking got legs at right lengths only to discover the feet had flipped...again. Second, the legs push pins popped out of place, which meant I had to remove the leg from the frame, fish the metal clip out, and pop the pins back in holes. This happened on both legs. A simple fix would be put a piece between the pins so they cant be popped completely out of the holes of legs but could still be adjusted on the holes of the frame. Just saying that these are easily fixed issues and should have been awhile ago. Also, maybe make the arch on the front of the frame 1/2inch longer for those of us who need to put a 2×4 under frame to lift over frame of window.

Fits our very difficult-to-fit for other supports Brownstone window. Took all of 5 minutes to get it set up and installed, and it supports the AC perfectly.

This was such a delightful surprise! I expected screws and hex bolts and all manner of headaches putting this together. It was so simple, I almost didnt believe it. This is top rated by Wirecutter and theyre on the money with this review!

Was easy to install and seemed quite sturdy. Was a touch expensive though and doesn’t really fully bear the weight of the AC except at the window jam. The problem is really with the AC as it doesn’t allow for that suggested 4deg down bubble due to being ‘clipped’ into the window pane. But my landlord said we needed brackets on all AC units so here we are.