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Finally Beat the Foggy Window Battle This Winter

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Posts: 24
(@robotics_jerry)
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Good call on rerouting that fan—I've seen so many homes where the bathroom vent dumps moisture straight into the attic, and people wonder why they're dealing with mold or condensation issues. Ridge vents are great too—they provide steady passive airflow without much maintenance. Honestly, proper ventilation often solves more problems than expensive window replacements. Glad you dodged that bullet... windows can get pricey fast, especially if they weren't the real culprit. Nice troubleshooting!


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nickmaverick119
Posts: 7
(@nickmaverick119)
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Had a similar issue last winter—thought for sure my windows were shot. Got quotes and everything, nearly fell over at the prices. But then I started wondering... could it really just be ventilation? Ended up adding soffit vents and rerouting the bathroom fan outside (previous owner had it venting straight into insulation, go figure). Problem solved. Makes me wonder how many people drop thousands on windows when the real issue is airflow? Glad you figured it out before spending big bucks.


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skier48
Posts: 20
(@skier48)
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Had almost the exact same thing happen when we first moved in. Windows were fogging up constantly, and I figured they were ancient and needed replacing. Got a quote—nearly spit out my coffee, it was so high. But before pulling the trigger on that, I decided to poke around a bit more. Turns out our attic insulation was blocking the soffit vents completely, and the previous owner had sealed off the ridge vent for some reason (no idea what they were thinking). Cleared that mess up, added some proper ventilation, and suddenly the windows cleared right up.

Honestly makes me skeptical whenever someone immediately jumps to replacing windows. Sure, sometimes they're legitimately bad, but ventilation is one of those underrated fixes people overlook. Glad you caught it before dropping serious cash—makes you wonder how many window sales are driven by simple airflow issues...


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coffee215
Posts: 26
(@coffee215)
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Had a similar issue myself—thought for sure the windows were shot. Turned out our bathroom exhaust fan was venting straight into the attic (thanks, previous owner...). Fixed that, and suddenly no more foggy windows. Ventilation really is key, but it's rarely the first thing people check.


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georgemetalworker
Posts: 14
(@georgemetalworker)
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Had a similar ventilation issue here too—thought it was the windows at first, but turns out our dryer vent was partially blocked. Cleared that out and things improved dramatically. Makes me wonder how many other hidden ventilation issues we overlook around the house... anyone checked their dryer vents lately?


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Posts: 14
(@coco_fox)
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Had a similar experience last winter—thought it was faulty window seals causing all the condensation. Turns out, bathroom exhaust fan duct was kinked and barely venting outside. Fixed that up and windows cleared right away... crazy how it's always something unexpected causing the issue.


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scottmentor
Posts: 26
(@scottmentor)
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Nice troubleshooting! Had something similar happen a couple years back—thought it was the windows too, but turned out my dryer vent was partially blocked. Cleared that out and the condensation disappeared almost overnight. It's always satisfying when you finally pinpoint the real culprit... especially when it's something simple and doesn't cost a fortune to fix. Glad you got it sorted.


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lblizzard11
Posts: 21
(@lblizzard11)
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"thought it was the windows too, but turned out my dryer vent was partially blocked."

Interesting... never considered the dryer vent could cause window condensation. Did you notice any other signs beforehand, like slower drying times or extra lint buildup? Might check mine just in case.


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alexsnowboarder
Posts: 35
(@alexsnowboarder)
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"Interesting... never considered the dryer vent could cause window condensation. Did you notice any other signs beforehand, like slower drying times or extra lint buildup? Might check mine just in case."

Good call checking your dryer vent. Had a similar issue last winter—windows constantly fogging up, especially in the laundry room and kitchen. At first, I blamed it on old windows and poor insulation, but after trying everything else (humidity settings, fans, etc.), I finally checked the dryer vent. Turns out mine was pretty clogged too.

A few clear signs I noticed beforehand:
- Clothes were taking noticeably longer to dry (had to run cycles twice sometimes).
- Dryer got hotter than usual to the touch.
- More lint buildup around the lint trap and even some lint dust appearing near the vent outside.

Once I cleaned it out, drying times went back to normal, and surprisingly, the window condensation pretty much disappeared overnight. Makes sense though—blocked vents trap moisture indoors, raising humidity levels significantly.

If you're going to check yours, I'd recommend:
- Disconnecting the dryer hose completely to inspect it—sometimes lint accumulates deep inside.
- Using a flexible brush or vacuum attachment specifically made for dryer vents (hardware stores usually have them cheap).
- Checking the exterior vent flap too. Mine had lint built up there, preventing it from opening fully.

Definitely worth doing regularly anyway for safety (fire hazard) and efficiency. Learned my lesson after ignoring it too long...


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Posts: 14
(@cooperecho635)
Active Member
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Had a similar situation myself—thought it was just the cold weather causing condensation until I noticed the dryer was getting super hot and clothes were still damp after one cycle. Sure enough, vent was clogged solid. Cleared it out and problem solved. Makes me wonder though...how often does everyone actually clean their dryer vents? Feels like one of those chores we all conveniently "forget" about until something goes wrong, lol.


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