Let me start by saying this bracket does its job well once installed. My bulky 80-lb AC unit now sits securely without wobbling or straining my window frame. The steel construction feels solid, and I no longer panic during storms thinking my AC might take a dive.
The installation process was... an adventure. Like other reviewers mentioned, the instructions might as well be hieroglyphics. I spent a good hour trying to interpret the vague diagrams before giving up and winging it. Pro tip: have power tools ready - my weak drill had to take three coffee breaks during the process.
Where this bracket shines is its universal fit. My weird 1920s windows with uneven sills? No problem. The adjustable arms accommodated everything perfectly once I figured out the right configuration (after two disassemblies). The included hardware worked fine for my drywall, though some reviewers needed better anchors.
Biggest surprise? How much quieter my AC runs now that it's not vibrating directly against the window frame. That alone made the installation headache worth it.
Would I recommend it? Yes, but only if you're moderately handy or willing to struggle through some trial and error. If you're all thumbs or have vinyl windows (which multiple reviewers had issues with), spend extra for a no-assembly-required alternative.