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Swapping out old windows in humid weather—worth it?

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Posts: 14
(@coffee_sky6677)
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The new windows definitely helped, but the AC still struggles in August.

- Totally get the “felt like I was living in a rainforest” vibe. Been there...
- Swapped mine out two summers ago—noticed less puddling on the sills, but honestly, my AC still works overtime once July hits.
- Windows made a dent, but not a miracle cure. Still get that sticky skin feeling on muggy days.
- Did you use double or triple pane? I went double and sometimes wonder if the extra pane would’ve been worth it.
- Less mold is a win, though. My old sills looked like science experiments gone wrong.
- Curious if weatherstripping helped anyone else? I did that too, but hard to say what made the biggest difference.


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ryan_coder
Posts: 19
(@ryan_coder)
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Windows made a dent, but not a miracle cure. Still get that sticky skin feeling on muggy days.

Couldn’t agree more. I swapped to triple pane last year, hoping for a game changer, but honestly, it’s more of a “noticeably better” than “problem solved.” AC still has to work hard when it’s 90+ and humid. Weatherstripping helped around the doors—less drafty for sure—but I think attic insulation made a bigger impact than the windows alone. Still, anything that cuts down on mold is worth it in my book.


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margaretp42
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(@margaretp42)
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Triple pane’s nice, but yeah, it’s not magic. I did all that—windows, weatherstripping, even new exterior doors—and my AC still battles the swamp air every July. Honestly, attic insulation made a bigger dent in the electric bill than anything else. Mold’s a nightmare, though, so every little bit helps. Sometimes I wonder if old houses just have their own “humidity personality” you can only tame so much...


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Posts: 21
(@shadows15)
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Sometimes I wonder if old houses just have their own “humidity personality” you can only tame so much...

Totally get what you mean about the “personality”—my 1950s place seems to suck in moisture no matter what I throw at it. I swapped out all the windows too, and while it helped with drafts, the humidity still creeps in. Curious if you ever tried sealing up crawlspaces or rim joists? I noticed a small drop in mustiness after I did that, but maybe it’s just wishful thinking.


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carolcosplayer
Posts: 28
(@carolcosplayer)
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Yeah, I hear you on that “humidity personality”—my 1940s place is the same way. Even after new windows and some insulation upgrades, it still feels like the walls just want to sweat in July. Sealing up the crawlspace helped a bit, especially with that weird basement smell, but I think some of these old houses are just stubborn. Dehumidifier runs almost nonstop here... not sure there’s a total fix, but every little bit helps.


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hannahbeekeeper
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I hear you—my 1955 place is stubborn too. Swapped out the windows last summer, and honestly, it helped with drafts but didn’t do much for that sticky, damp feeling. Dehumidifier is still my best friend. Did you notice any difference after sealing the crawlspace, like with energy bills or just the smell? I’ve been debating if it’s worth the hassle in my spot.


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Posts: 13
(@carol_echo)
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- Totally get the stubborn house thing—mine’s from ‘49 and always has some new quirk.
- Sealing the crawlspace did help here, but it was more about the musty smell than energy bills. The air felt less damp, and I could finally store stuff down there without it smelling funky.
- Energy savings were… meh. Maybe a slight dip in winter gas usage, but nothing dramatic.
- Honestly, if you’re dealing with persistent humidity, it might help with comfort and storage more than bills. It’s messy work, though—I hired out rather than crawling around myself.
- For me, windows made the living room less drafty but didn’t fix that sticky air feeling either. Dehumidifier’s still running most days in summer... just part of the charm, I guess.


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collector418275
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For me, windows made the living room less drafty but didn’t fix that sticky air feeling either. Dehumidifier’s still running most days in summer... just part of the charm, I guess.

That lines up with what I’ve seen. New windows help with drafts and heat loss, but humidity’s a different beast. Air sealing and insulation usually have a bigger impact on comfort and bills than windows alone. Still, reducing drafts is a win—every bit helps, even if it’s not dramatic.


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rthompson94
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- Yep, new windows cut drafts, but humidity’s stubborn.
- I noticed less cold air sneaking in, but still needed the dehumidifier running most days.
- You’re not alone—every improvement adds up, even if it’s not a total fix.
- Worth it for comfort, just don’t expect miracles with stickiness.


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vr_jeff
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(@vr_jeff)
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- Swapped out our old single-panes last spring. Way less drafty, but yeah, the sticky air still hangs around some days.
- I’ve noticed the AC doesn’t run as hard, which is nice for the bill. Still keep the dehumidifier on standby, though.
- One weird thing—my kitchen windows seem to fog up less now, but the bathroom’s still a sauna after showers. Maybe it’s just the room size?
- Anyone else notice their allergies get better with new windows? Ours did, or maybe it’s just in my head.
- Curious if anyone added extra venting or fans along with the window swap. Did it help with the humidity, or just move the air around?


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