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Anyone actually notice a difference with krypton-filled windows?

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Posts: 16
(@law147)
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Totally get where you’re coming from. When we first moved into our 1920s place, I thought new windows would fix everything, but nope—drafts still found their way in through the old plaster and those ancient outlets. If you’re dealing with an older house, it’s worth tackling the basics first: check for gaps around baseboards, outlets, and even under doors. Once you’ve sealed up the obvious spots, then you’ll really notice what new windows can do. It’s a process, but every little bit helps. Don’t get discouraged if you don’t see instant results.


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Posts: 13
(@bailey_hiker8954)
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Funny how you think new windows will be the magic fix, right? I went down the krypton-filled rabbit hole a few years back—spent a fortune, and yeah, the windows themselves are solid. But honestly, the difference wasn’t night and day until I finally got around to sealing up the random cracks around pipes and those sneaky gaps behind my baseboards. If you’re in an old house, it’s like playing whack-a-mole with drafts. Krypton helps, but it’s not a silver bullet.


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Posts: 14
(@inventor30)
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If you’re in an old house, it’s like playing whack-a-mole with drafts.

Totally get this—my place is pushing 80 years, and I swear, every winter I find a new drafty spot. Did you notice any difference in noise reduction with the krypton windows, or was it mostly just about the heat loss?


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Posts: 21
(@cwilliams35)
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Did you notice any difference in noise reduction with the krypton windows, or was it mostly just about the heat loss?

I hear you on the draft hunt—every time I think I’ve sealed everything, a new cold spot pops up behind a radiator or under a window sill. As for the krypton windows, I swapped out two of my originals last fall. Honestly, the most noticeable change was how much less chilly the living room felt near those windows. The noise reduction was there, but it wasn’t night-and-day. Maybe if you’re on a busy street you’d notice more? For me, the biggest perk was finally being able to sit by the window in January without feeling like I was outside.

One thing I didn’t expect: the frames themselves seemed to sweat less, so no more weird puddles on the old hardwood. If you’re dealing with really loud traffic or trains, though, might want to look at triple-pane or something more specialized. Still, every little bit helps in these old places... keeps us on our toes!


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math585
Posts: 14
(@math585)
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I get where you’re coming from, but I actually did notice a pretty clear drop in street noise after swapping to krypton. My house faces a main road, so maybe it’s just my setup, but the difference was more than just subtle for us. Heat loss was still the main reason I went for it, but I wouldn’t downplay the sound side completely—maybe depends a lot on window size and what you had before.


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vegan_susan8892
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(@vegan_susan8892)
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I’ve swapped out a few older double panes for krypton-filled units in my place, and honestly, the sound difference wasn’t dramatic for me. Maybe a bit quieter, but not night and day—though I’m not right on a busy street. Where I did notice a real improvement was in heat retention, especially during cold snaps. I guess window size and what you’re replacing makes a big difference. If your old windows were single pane or had failing seals, any upgrade’s going to feel huge.


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lisainferno221
Posts: 12
(@lisainferno221)
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I actually had a different experience with sound, but maybe it’s just my setup.

the sound difference wasn’t dramatic for me
For us, swapping to krypton made a noticeable dent in street noise, but our living room faces a bus stop. Heat retention was definitely better too, but honestly, the quieter mornings were what sold me. Maybe it’s just that our old windows were really shot…


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cathyc58
Posts: 24
(@cathyc58)
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I’ve installed a bunch of krypton-filled windows for clients over the years, and honestly, the sound reduction thing is kind of hit or miss. It really depends on a few factors—like how thick your glass panes are, the spacing between them, and the condition of your window frames. Krypton gas itself is mainly for insulation; it’s better than argon at stopping heat transfer because it’s denser, but when it comes to noise, the real gains usually come from laminated glass or just thicker panes.

I’ve seen folks swap out old single-pane windows with huge gaps in the frames, and yeah, any new double- or triple-pane unit (krypton or not) will be a night-and-day difference. But if you’re comparing a decent modern argon window to a krypton one, I wouldn’t expect a huge jump in noise control. Sometimes people notice an improvement just because their old seals were shot, like you mentioned. New weatherstripping alone can make things way quieter.

Heat retention is where krypton really shines, especially in colder climates or drafty homes. But if street noise is your main headache, you might get more bang for your buck with acoustic glass upgrades rather than just changing the gas fill. I had a client near a train track who went with triple-pane argon and laminated glass—way more effective for noise than just swapping gases.

Not saying krypton isn’t worth it for comfort and energy bills, but if you’re chasing quiet mornings, the glass makeup matters more than what’s between the panes. Just my two cents from crawling around too many window frames this year...


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Posts: 18
(@tea613)
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Had a similar experience here. I swapped out old drafty windows for double-pane krypton units last winter. Like you said, the heat retention was noticeable—my furnace wasn’t kicking on every hour anymore. But for noise, not a huge difference compared to my neighbor’s argon-filled ones.

“the real gains usually come from laminated glass or just thicker panes.”
Totally agree. If quiet’s your goal, focus on the glass itself, not just the gas. Seals and frames matter way more than I expected, too.


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pets866
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(@pets866)
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Swapped out my old single-pane windows for krypton-filled ones a couple years back, and honestly, the biggest change was my heating bill—not the noise. The furnace finally got a break, which was nice for my wallet, but I could still hear my neighbor’s dog yapping like it was in my living room. Not exactly the soundproofing miracle I’d hoped for.

Totally agree about the frames and seals. I cheaped out on the install (regret that now), and you can feel a draft if you stand in just the right spot by the dining room window. Turns out, you can have all the fancy gas in the world between your panes, but if there’s a gap somewhere, it’s pretty much pointless. My cousin did triple-pane with laminated glass and better seals—his place is like a tomb. You barely hear traffic, and he lives right off a busy street.

If I had to do it again, I’d probably focus less on what’s inside the glass and more on how thick it is and how tight everything fits together. The installer even told me after the fact that most of the noise comes through weak spots in the frame or where the window meets the wall. Would’ve been nice to know before dropping all that cash... live and learn, I guess.

I will say, though, those krypton windows do make winter mornings less brutal. Used to wake up with icicles forming on the inside of the old ones—now it’s just condensation at worst. Small victories.


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