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Foggy Windows: The Mystery Of The Ghostly Condensation

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Posts: 19
(@diyer23)
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- Seen this in my house too—especially after a bunch of people shower or cook at once.
- In my experience, if you can wipe it off, it’s just humidity doing its thing.
- Seal failures are a pain and look more like someone smeared Vaseline between the panes... not fun to fix.
- I’ve tried the fan trick, but honestly, it only helps a bit.
- Dehumidifiers work, but they’re noisy and kinda ugly in the living room.
- Sometimes I wonder if it’s worth chasing perfection—old houses just have quirks. Anyone else just live with it half the year?


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markwoodworker
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(@markwoodworker)
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Kinda surprised more folks don’t mention just cracking a window for a bit. I know it sounds old school, but when my kitchen windows fog up after cooking, I just open one for like five minutes—even in winter. The temp drops a little, but the condensation clears out way faster than with a fan.

Dehumidifiers work, but they’re noisy and kinda ugly in the living room.

Totally agree there—mine looks like a mini robot and hums all night. I’d rather deal with some foggy glass than listen to that thing 24/7. Maybe it’s just part of having an older place?


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crypto169
Posts: 20
(@crypto169)
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Cracking a window is actually one of the most effective short-term fixes, especially if you’re dealing with a lot of moisture from cooking or showers. I’ve seen plenty of older homes where the ventilation just can’t keep up, and opening a window clears things up fast. The only downside is energy loss—if you’re in a colder climate, you’ll notice that temp drop pretty quick. On the other hand, I’ve installed a few high-quality vented windows lately, and even those still need a little help now and then. Dehumidifiers are useful, but yeah... not exactly subtle in the living room.


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Posts: 21
(@breezescott201)
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I get the idea behind cracking a window, but isn’t it kind of a band-aid? In winter, I’m already fighting drafts, so letting in more cold air feels like trading one problem for another. Dehumidifiers work, but the noise drives me nuts—especially when watching TV. Has anyone tried those moisture absorber packs? I’m skeptical they’d make much difference in a bigger room.


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drakeh43
Posts: 20
(@drakeh43)
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“I get the idea behind cracking a window, but isn’t it kind of a band-aid? In winter, I’m already fighting drafts, so letting in more cold air feels like trading one problem for another.”

Cracking a window really does feel like robbing Peter to pay Paul, especially up here where winter drafts are no joke. I’ve tried those moisture absorber packs in the past (the big tubs and the hanging ones). They work alright in closets or tiny bathrooms, but I wouldn’t count on them for a main living space—unless you’re planning to line the whole room with them, which gets expensive and messy.

Have you checked your window seals or looked for sneaky sources of humidity? Years ago, I found out my dryer vent was leaking warm, damp air right near the window. Once I fixed that, the condensation dropped off a ton. Sometimes it’s not about adding gadgets, but tracking down what’s actually pumping the moisture inside. Just a thought—sometimes the simplest fix isn’t the obvious one.


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books_lucky
Posts: 18
(@books_lucky)
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- Totally agree—cracking a window in January just means higher heating bills and still waking up to foggy glass.
- I had the same issue until I realized my bathroom fan wasn’t venting outside, just recirculating. Once I fixed that, condensation dropped a lot.
- Worth checking for sneaky leaks or blocked vents. Even something like a fish tank can push humidity way up.
- If you’ve sealed everything and it’s still bad, a small dehumidifier might actually be less hassle (and cheaper) than constantly heating the outdoors.
- Sometimes it’s just old windows too... mine are double-pane but the seals are shot, so I’m basically fighting a losing battle till I replace them.


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Posts: 8
(@podcaster65)
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Yeah, I feel this. My apartment’s got those ancient single-pane windows and no matter what I do, there’s always that layer of fog in the morning. Tried the “crack a window” thing but just ended up freezing my butt off. Ended up grabbing one of those cheapo dehumidifiers—works okay, but it’s loud as heck and fills up fast. Honestly, until I can afford better windows, just living with it...


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Posts: 14
(@anthonyl39)
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Tried the “crack a window” thing but just ended up freezing my butt off.

Yeah, that’s the classic advice, right? Never worked for me either—just made the room colder and still woke up to fog. I’ve seen so many folks throw money at dehumidifiers or window films, but honestly, single-pane windows are just a losing battle in old buildings. I replaced mine in my last place (not cheap, but worth it in the long run). Until then, it’s all band-aids and compromises...


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lindaseeker879
Posts: 7
(@lindaseeker879)
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Honestly, I’ve tried the window film and it helped a bit, but yeah, nothing really fixes it without new windows. The old single-pane ones in my 1920s place are just constant condensation magnets, especially after a shower or when I cook. I do run a small dehumidifier in the winter—it doesn’t solve everything, but it keeps the worst of the puddles off the sill. Not perfect, but less mopping in the morning. Replacing the windows is definitely pricey, but man, it made a huge difference in my last apartment. If you’re stuck with the originals for now, even just keeping the blinds open during the day seems to help a little.


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Posts: 9
(@rcoder90)
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Honestly, I’ve tried the window film and it helped a bit, but yeah, nothing really fixes it without new windows.

I hear you on the single-pane struggle. My place has original 1940s windows and it’s wild how much moisture they collect. I tried the window film too—better than nothing, but yeah, still wiping up water some mornings. Opening blinds helped a bit, but honestly, the real game changer for me was adding storm windows. Not cheap, but less invasive than full replacements. Definitely cut down on drafts and condensation.


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