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When high-end windows aren’t all they’re cracked up to be

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jeffhall200
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That’s pretty much what happened to us too. Upgraded the windows, felt the place get warmer, but then—bam—condensation every morning once it got cold out. Never had that issue with the old drafty ones. I guess sealing everything up just traps more moisture inside? Feels like you fix one thing, and something else pops up. Still, at least the heating bill went down a bit. Just gotta keep tweaking things, I guess.


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maryscott718
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Yeah, same deal here. New windows made the place cozier but then the bathroom mirror started fogging up every morning, plus water on the sills. What worked for me: 1) Crack a window or use trickle vents if you’ve got them. 2) Run exhaust fans longer, especially after showers or cooking. 3) Keep furniture away from exterior walls—helps airflow. It’s a tradeoff, but the lower heating bill’s worth it for me. Just takes a bit of trial and error.


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robotics_jeff
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Totally get what you mean about the tradeoffs. I put in triple glazing last fall and yeah, it’s warmer, but now condensation’s an everyday thing.

- Agree on running fans longer—mine's on a timer now, which helps.
- If you’ve got radiators under your windows, keep curtains open during the day so air can move up and dry things out.
- I also started wiping down the sills in the mornings. Not ideal, but it keeps the paint from peeling.

It’s a tradeoff, but the lower heating bill’s worth it for me. Just takes a bit of trial and error.

Same here. The savings are real, but honestly, I didn’t expect to be fighting moisture so much. One thing that helped a bit: I picked up a cheap humidity monitor off Amazon—turns out my kitchen was way worse than I thought after dinner time. Maybe not a fix, but at least it gives you an idea when you need to crack a window or run the fan again.

Funny how “upgrading” always comes with new quirks...


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Yeah, I ran into the same thing after swapping out my old drafty sash windows for new double glazing a couple years back. The house definitely holds heat better, but suddenly I was wiping down the glass every morning and wondering if I’d made a mistake. Turns out, old windows let so much air leak in that moisture just escaped on its own. Now it’s like living in a Tupperware.

I tried one of those little dehumidifiers in the bedroom—honestly, it fills up way faster than I thought it would. Not a perfect fix, but it helps. I also noticed if I keep the bathroom door closed after showers and run the fan longer, the rest of the house stays drier. Still, there are days where I’m just opening a window for ten minutes to get rid of that muggy feeling. Kind of ironic, considering the whole point was to seal things up.

It’s weird how you solve one problem and another pops up right behind it. At least the heating bill isn’t so scary anymore...


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poetry411
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Funny, I had almost the exact same thing happen after my “energy efficient” window upgrade. The old single panes were basically air vents, but at least you never saw condensation unless it was a blizzard outside. Now, with everything sealed up tight, I swear the house feels like it’s sweating some mornings.

I’m with you on the dehumidifier—mine hums away in the hallway and fills up way faster than I expected. I do think it’s worth keeping in mind that while the moisture is annoying, the savings on heating (and not feeling that icy draft every time you walk past a window) are a big plus. But yeah, sometimes I laugh at myself when I crack a window just to let some fresh air in after spending all that money to keep it out.

One thing that helped me a bit: I added trickle vents to a couple of windows. Not perfect, but it lets a bit of air circulate without turning the place into an icebox. It’s always a trade-off—comfort vs. efficiency vs. indoor rainforest vibes. At least we can say we’re learning as we go...


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scotts86
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But yeah, sometimes I laugh at myself when I crack a window just to let some fresh air in after spending all that money to keep it out.

That’s exactly how I feel lately. We put in triple-glazed windows last fall—everyone said it was the “smart” move, and honestly, I was excited to finally ditch the drafts. But now, every morning, I’m wiping down the kitchen window like it’s a gym shower. Never had to do that with the old leaky ones.

I get the point about energy savings, and our heating bill did drop a bit, but I’m not sure I was prepared for the “indoor rainforest vibes” you mentioned. Our place is only about 30 years old, but it’s like sealing it up turned it into a terrarium. I bought a dehumidifier too—one of those mid-size ones—and it’s working overtime. Sometimes I wonder if I’m just moving the problem around: less heat loss, but now I’m paying for electricity to dry the air.

I’ve heard about trickle vents, but the window company didn’t even mention them, which bugs me. Feels like they should be standard, or at least part of the conversation when you’re dropping thousands on new windows. I’m thinking of retrofitting a couple myself, but honestly, I’m a little nervous about drilling into brand new frames.

Funny thing—my partner actually misses the “character” of the old windows. Sure, they rattled in a storm, but at least you could hear the wind and know what season it was. Now it’s so quiet and sealed up, sometimes it feels almost too sterile. Maybe that’s just nostalgia talking, but I do think there’s something to be said for a bit of airflow, even if it’s not the most efficient.

Anyway, I guess it’s all about finding the right balance. If I had to do it again, I’d probably ask more questions about ventilation before signing off. Live and learn, right?


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