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Foggy windows driving me nuts—what’s actually normal?

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Posts: 18
(@jerryc59)
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I get what you’re saying about “moisture tubs” just being a band-aid, but honestly, I’ve had better luck with them than expected—at least for smaller rooms. They won’t solve a bigger ventilation problem, but sometimes you just need something to keep the worst of the condensation at bay while you figure out a longer-term fix.

Keeping doors open helps balance humidity, but it’s a tradeoff with heat loss.

I don’t fully buy into that. In my place (built late ‘90s), leaving doors open barely makes a dent unless I’m running an extractor fan too. Heat just escapes everywhere, and the humidity still finds the coldest window to fog up. I actually had more luck sealing up drafts and then running a dehumidifier on a timer. Yeah, it’s an energy hit, but it actually dropped the window fogging way more than just fiddling with doors.

The cheap humidity meters are super useful though. I was shocked how much higher it got in my bedroom compared to the living room, even when nothing obvious was going on. Sometimes the “easy” fixes aren’t as effective as folks say…


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scoder14
Posts: 15
(@scoder14)
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Yeah, I hear you on the moisture tubs—sometimes you just need a quick fix while you sort out the bigger stuff. I’ve been through the same dance with doors and fans, honestly. In my place, I always thought leaving everything open would help, but like you said, it barely made any difference unless I was actively pulling air out. Sealing drafts and running the dehumidifier (even if it’s not cheap) actually changed things for me too. Those humidity meters are weirdly eye-opening... I had no clue my spare room was basically a rainforest until I checked. Sometimes you really do have to experiment to see what works in your own space.


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daisyphotographer
Posts: 14
(@daisyphotographer)
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Those humidity meters are weirdly eye-opening... I had no clue my spare room was basically a rainforest until I checked.

Right? I used to think foggy windows just meant “it’s winter, deal with it,” but those meters really show how off the mark you can be. I get what you mean about leaving everything open—everyone says “let it breathe,” but unless you’ve got real airflow, it’s just cold and damp air swapping places. Honestly, sealing up drafts made a bigger difference for me than any fan ever did. Dehumidifiers aren’t cheap to run, but I’d rather pay a bit extra than deal with mold creeping in. It’s wild how much trial and error is involved… sometimes feels like every house has its own personality when it comes to moisture.


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blazeg85
Posts: 14
(@blazeg85)
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I hear you on the dehumidifier costs—mine definitely bumps up the electric bill, but it’s still cheaper than dealing with repairs from water damage. I actually tried those moisture absorber tubs for a while in my old place, but honestly, they barely made a dent compared to a proper machine. Out of curiosity, has anyone noticed if certain window types or frames make a difference? My older wood windows seem to fog up way more than the newer vinyl ones in the kitchen.


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gadgeteer49
Posts: 13
(@gadgeteer49)
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- Definitely agree—dehumidifiers are a pain on the bill, but water damage is way worse.
- Window material plays a big role. Wood frames tend to absorb moisture and can leak air, which means more fogging. Vinyl’s tighter seals really help.
- Swapped out an old wood window last year and the difference in condensation was huge. Didn’t expect it to matter that much, honestly.
- Moisture tubs barely did anything for me, too. Just felt like a band-aid.
- If your kitchen’s newer vinyl windows stay clear, that’s pretty normal—sounds like you’re seeing what most folks do.


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Posts: 11
(@skier917700)
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Totally get the frustration. When I first moved into my 70s ranch, every winter morning felt like a sauna in the living room—could barely see the backyard through the fogged-up glass. Tried the moisture tubs, too, and yeah... all I got was a weird science experiment under the window. Ended up biting the bullet and swapping to vinyl last year. Not only did the condensation drop, but my heating bill chilled out a bit, too. Still, I kinda miss the creaky old wood frames—until I remember the puddles.


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meganjohnson841
Posts: 12
(@meganjohnson841)
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Not gonna lie, I get the appeal of vinyl—lower bills and less condensation is a win. But I’m still not convinced swapping out wood is always the way to go, especially in older homes. There’s something about the original windows that just fits, creaks and all. And honestly, with a bit of effort (and yeah, some elbow grease), you can usually get wood frames to behave. I’ve had luck with storm windows and a dehumidifier running low in the mornings—way less fog, and I didn’t lose the character.

Still, I kinda miss the creaky old wood frames—until I remember the puddles.

I hear you on the puddles, but for me, it was more about fixing drafts and keeping up with paint. Maybe it’s stubbornness, but I’d rather patch and seal than swap everything out. Vinyl’s great for some, but it’s not a magic bullet. If the windows are still solid, sometimes it’s worth trying a few fixes before going full replacement mode.


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Posts: 4
(@kennethphillips104)
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Totally get where you’re coming from. I’ve wrestled with the same “replace or repair” dilemma in my 1950s bungalow. Honestly, half the charm’s in those old wood frames—even if they do stick sometimes. I tried weatherstripping and a smart humidity sensor (tech nerd over here), and it actually helped cut down on the fog. Sometimes it really is about finding what works for your space, not just swapping stuff out because it’s newer. You’re not alone in sticking with what feels right.


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sarahs53
Posts: 16
(@sarahs53)
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Man, those old wood frames really do have a vibe, don’t they? I get folks wanting to keep them, even if they’re a little cranky in winter. I’ve seen some windows that fog up so much you’d think someone’s boiling pasta in the living room... but sometimes it’s just a humidity thing, like you said.

I’m curious, though—how bad does the fog get for you? Like, is it just a bit in the corners or are you wiping them down every morning before you can see outside? I’ve had clients swear by weatherstripping and others who eventually gave in and swapped out a couple of the worst offenders (usually the ones facing north, go figure).

Ever tried one of those little dehumidifiers by the window? Not the prettiest solution, but it’s saved a few folks from going nuts over condensation. Wondering if anyone else here has found a magic trick—or is it just part of the “vintage home” experience?


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Posts: 24
(@jenniferecho855)
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Yeah, those old wood windows have a certain charm, but man, they can be stubborn with condensation. I’ve seen some where you’re practically squeegeeing the glass every morning, especially in older bungalows around here. Weatherstripping helps a bit, but if the glazing’s shot or there’s gaps in the frame, it’s tough to win that battle. Dehumidifiers do help, but they’re not exactly subtle sitting on the sill. Sometimes I just tell folks it’s part of the “character package” unless it’s actually dripping onto the sill and causing rot—then it’s time to talk repairs or maybe swapping out just the worst ones. North-facing windows always seem to be the troublemakers for whatever reason.


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