Thoughts on hiding AC lines vs. building a full bulkhead?

I had a similar headache with a mini-split install last summer. Instead of a boxy bulkhead, I extended the door header upwards. I used a piece of 1x8 poplar to create a lintel look that sat flush against the ceiling. By hollowing out the back of a thicker piece of crown molding, I tucked the lines right inside. It makes the door look more grand rather than looking like a patch job. If you go the molding route, check out the PVC options from Azek. They’re easier to notch out with a router than wood is, and since it's a bathroom, the moisture won't warp the casing over time. I’d suggest keeping the clearance at least a half-inch from that light fixture so you can still get the glass globe off when a bulb burns out. It’s a tight squeeze, but building the cover as part of the door architecture usally blends better than a random drywall soffit.

I actually wouldn't go the route of burying those lines behind permanent trim or a heavy header. I did somethig similar with a Mitsubishi unit in my guest bath and regretted it the second I had a minor vibration issue. It was a total nightmare ripping out finished poplar and crown molding just to get to the lines for a simple adjustment.

Instead, Iu2019d suggest building a shallow, removable chase. I used 1/4-inch PVC lattice strips for a similar tight spot beacuse they handle the bathroom humidity better than MDF. You can create a simple U-shape that snaps over the lines. If you paint it the exact same color and sheen as your wallu2014I usually go with Sherwin-Williams Emerald for bathroomsu2014it disappears. The main advantage here is maintenance. Use some decorative brass screws or even heavy-duty magnets to hold the cover in place. That way, if those lines ever sweat or need service, you aren't destroying your door casing to fix the problem. It keeps the footprint much smaller than a full bulkhead, wich helps with that light fixture clearance you're worried about.

I am so stoked to see people actually using the space above the door for somthing besides just gathering dust! I'm brand new here and totally obsessed with how custom trim can change a whole room's vibe. Building up a header to hide the mess is such a wild move for making a plain bathroom entrance look more expensive.

Since we are talking about modifying the casing area, does anyone know if adding heavy decorative lintels like that can eventually cause the door frame to shift? Also, has anyone ever upgraded to those massive 8-foot solid core doors? I’m wondering if standard hinges can even handle that much weight without the whole thing sagging!

While a built-up architrave certainly offers a more sophisticated profile than a crude drywall soffit, the proximity of that light fixture means you must strictly adhere to a consistent 3/16-inch reveal on the head casing to prevent the entire assembly from appearing disproportionately weighted or crowded against the ceiling. If you decide to route out the back of a wider frieze board, do measure the actual diameter of the suction line's elastomeric insulation first; most installers use a 1/2-inch wall thickness wich, when combined with the copper pipe, often exceeds the depth available in standard 3/4-inch stock, potentially forcing you into a custom-milled solution to avoid structural failure of the timber.

Spot on with the architrave approach—it hides the mess and elevates the whole entryway. Just a heads up though, when you're hollowing out that frieze or crown, make sure you leave enough clearance for the line set's insulation. If those cold copper lines end up pressing directly against the back of your trim without any wrap, you're going to see condensation bleed through or cause peeling paint on the face of the header during humid months. I usually throw a layer of thin adhesive foam tape inside the routed channel just to provide a thermal break between the lines and the wood.

Quick update — I went with that suggestion to extend the door header using a 1x8, and it hides the lines perfectly. However, the clearance near the light fixture is still a nightmare, and I’m struggling to keep a consistent reveal. Does anyone know if there’s a way to make the trim easily removable in case of repairs, or shold I just nail it in?