Had the same thing happen here. Swapped out old windows for triple-glazed and the house felt warmer, but
. Ended up with condensation on the glass every morning. Got a small HRV too—pricey, but it solved most of the issues. If you cook a lot or have a big family, just vents aren't enough.the humidity spiked almost immediately
the humidity spiked almost immediately
That’s exactly what happened at our place after putting in the ultra-slim triple glass windows. I swear, it was like the house got too good at keeping everything in—including all the steam from showers and my attempts at making homemade bread (which, by the way, is mostly just an excuse to eat warm carbs). Woke up to condensation on the windows every morning for about a week.
We tried just leaving the bathroom fan on longer, but honestly, it didn’t do much. Ended up caving and getting a small HRV too. Not cheap, but it’s been a game changer. The house feels warmer, and now the windows aren’t crying every morning.
Funny thing, I never thought windows could make a house “too tight,” but here we are. Anyone else notice that cooking smells stick around longer too? Had to air out the kitchen after a chili night, which never used to happen. Guess it’s the price of progress…
I totally get what you mean—our place felt like a sauna after the new windows went in. First winter, I couldn’t figure out why the bathroom mirror stayed fogged up for ages... Turns out, all that “airtight” marketing is no joke. Ended up cracking a window just to clear out the curry smell one night, which felt kind of ironic given how much we spent to keep the cold air out. Still, I’d take warm toes over drafty floors any day.
- Had the same issue after installing triple-glazed units last fall—house felt sealed up tight, but humidity shot up.
- Bathroom mirrors fogged way longer, and cooking smells lingered unless I ran the vent nonstop.
- Ended up adding trickle vents to a couple windows. Not perfect, but better air flow now.
- Honestly, I’d still pick the warmth over those old single panes... just didn’t expect to miss the drafts this much.
Honestly, I’d still pick the warmth over those old single panes... just didn’t expect to miss the drafts this much.
That made me laugh—never thought I’d miss a chilly draft sneaking in, but after swapping ours out for the ultra-slim triple glass last winter, I get it. Our living room’s way cozier, but yeah, the air just kinda... stops moving. We noticed the laundry took longer to dry and even the dog’s wet fur smell hung around. Ended up cracking a window now and then, which feels silly after paying so much for “airtight.” Still, wouldn’t trade back. Just takes some getting used to, I guess.
Funny how airtight can be a double-edged sword, right? I get the urge to crack a window—seen it plenty after installs. But honestly, I’d argue that’s more about needing better ventilation than missing drafts. Modern windows are meant to keep the heat in, but they really shine when paired with a good air exchange system. Otherwise, yeah, you end up with damp laundry and that “lived-in” smell lingering. I’ve seen folks add trickle vents or even just run bathroom fans a bit more, and it makes a world of difference. Drafts are overrated—controlled airflow is where it’s at.
I swapped out my old single panes for triple glass last winter. They’re definitely airtight—almost too good, honestly. First couple weeks, I noticed the house felt stuffy, like the air just wasn’t moving. Ended up running the bathroom fan more and cracking a window in the kitchen when cooking, or else everything just sort of lingered.
If you’re thinking about these windows, here’s what worked for me:
1. Check if your windows have trickle vents. Mine didn’t, and I kinda wish they did.
2. Use exhaust fans more often, especially after showers or when drying clothes inside.
3. Keep an eye out for condensation on the glass—good sign you need more airflow.
The energy savings are real, but you do have to adjust how you ventilate. Anyone else find the triple glass makes the house quieter too? That was a nice surprise.
That’s really helpful, thanks for sharing what worked for you. I swapped to triple glass a couple years back—totally relate to the “too airtight” feeling at first. My place is a 70s ranch and it honestly felt like the air just stopped moving after the install. Had some minor condensation on chilly mornings too until I got in the habit of running fans more.
The noise reduction was huge for me, though. I live near a busy road and it’s almost eerie how much quieter it is now. Sometimes I miss hearing what’s going on outside, but mostly it’s a relief.
I do wish I’d thought more about ventilation before making the switch. Trickle vents weren’t even on my radar until after the fact… hindsight, right? Still, the lower heating bill makes up for having to crack a window now and then. There’s always some tradeoff with these upgrades, but overall I’d say it’s worth it.
I get what you mean about the house feeling “too airtight” after upgrading. When I put in the slim triple panes last winter, I swear the whole vibe of my living room changed overnight. Air just… stopped moving. I didn’t really think about ventilation either, figured new windows would be all upside. Turns out, when you seal up a drafty old place (mine’s an early 80s split-level), you end up needing to run the bathroom fan more or crack a window, especially after showers or when cooking. Otherwise, you get that weird stuffy feeling and, yeah, some condensation on the glass in the mornings.
Noise reduction is wild though. I’m near a train line and it’s almost unsettling how quiet things are now. Sometimes I feel like I’m missing out on neighborhood drama—no more eavesdropping on dog walkers or hearing the garbage truck roll by at 6am. Not exactly a tragedy, but it does make things feel different.
Honestly, I wish I’d looked into trickle vents too, or maybe a heat recovery ventilator if I was feeling fancy. Didn’t even cross my mind until after everything was sealed up and I realized I’d traded drafts for a bit of a stale air situation. Still, my heating bill dropped by about 20% last winter, and that helps take the sting out of having to open a window every so often.
If anyone’s thinking about going for these ultra-slim triples, just be ready for your house to feel a bit more like a spaceship at first. It’s an adjustment, but not a bad one overall.
That’s a really insightful rundown. I think a lot of people underestimate how much “tightening up” an older house can change the day-to-day feel. You mentioned,
“when you seal up a drafty old place (mine’s an early 80s split-level), you end up needing to run the bathroom fan more or crack a window, especially after showers or when cooking.”
I ran into the same thing after upgrading to high-efficiency windows in my ‘78 ranch. It’s funny—everyone talks about energy savings (which are real, like your 20% drop), but nobody warns you about the stale air. I ended up adding a basic trickle vent to the kitchen window after a few weeks of feeling like I was living in a Ziploc bag.
The noise reduction is wild, though. It took me awhile to get used to not hearing the street traffic—I kept thinking I’d missed the mail or something. Sometimes I wonder if we’re trading one kind of comfort for another, but honestly, lower bills and fewer drafts win out for me most days.
If I ever do a bigger reno, I might look at a heat recovery ventilator too. For now, just cracking a window every now and then seems to keep things balanced enough.