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How I spotted a shady window installer (and what tipped me off)

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ahiker20
Posts: 22
(@ahiker20)
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Shrink film is such a game changer, right? I used it on my old single-pane windows and was surprised how much warmer the room felt. But yeah, those sneaky drafts are everywhere. In my place, it turned out the cold was coming in through an old electrical outlet on an exterior wall... who would've guessed? Makes me think window salespeople sometimes oversell replacements when a little detective work and some caulk could do the trick. Not saying new windows aren’t great, but sometimes it’s just the little stuff that makes the biggest difference.


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Posts: 10
(@alexmiller168)
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That reminds me—last winter I was convinced my ancient windows were the main culprit for the cold, but after a weekend crawling around with a candle, I found half the draft was coming from under the baseboards. Felt a bit silly after almost dropping a couple grand on new windows. I mean, new ones are nice, but sometimes it’s just a tube of caulk and a little patience that does the trick. Window salespeople definitely have a knack for making you think your whole house is falling apart...


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anthonyb29
Posts: 11
(@anthonyb29)
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Window salespeople definitely have a knack for making you think your whole house is falling apart...

That’s exactly what happened to me during an “energy audit” a few years ago—guy waved his infrared camera at the windows and claimed they were “practically sieves.” Turns out, after I did my own blower door test (borrowed from the library, surprisingly easy), most of the leakage was around electrical outlets and attic hatches. Air sealing with foam gaskets and weatherstripping made a bigger difference than any window upgrade would’ve, and cost maybe $40 total. Windows are flashy, but the less obvious leaks can be just as critical.


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debbiegolfplayer
Posts: 8
(@debbiegolfplayer)
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Windows are flashy, but the less obvious leaks can be just as critical.

Totally agree with this. I had a similar experience—spent ages obsessing over my old single-pane windows, but when I finally tracked down drafts, most of them were sneaking in around the attic pull-down and a couple of outlets. Funny how the “big ticket” fixes aren’t always the ones that matter most. Did you notice any difference in comfort after sealing everything up? For me, the house just felt less... drafty, even before touching the windows.


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comics834
Posts: 15
(@comics834)
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I see this all the time—folks get sold on new windows as the magic fix, but air leaks love to hide in the weirdest spots. Outlets, attic hatches, even gaps around baseboards... those add up fast. Honestly, I wish more installers would bother to check for those before pushing window replacements. Not saying new windows don’t help, but if you skip over the real culprits, you’re just burning money.

Did you use foam gaskets behind your outlets, or just caulk? I’ve seen people go overboard with spray foam and end up with a mess. Personally, I always recommend hitting the obvious leaks first—attic access, rim joists, electrical boxes—then circle back to the windows if drafts are still an issue. Sometimes you get lucky and don’t even need to replace them right away.

Ever notice how some “pros” never mention this stuff during their sales pitch? That’s usually my first red flag.


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zjones89
Posts: 11
(@zjones89)
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Yeah, this is my biggest gripe with the window sales crowd—some of them act like windows are the only thing standing between you and a $10 utility bill. Sure, leaky windows are a problem, but if you ignore the rest of the house, you’re just tossing cash out the (yep) window. I can’t count how many times I’ve been called to “fix” drafty new windows, only to find the real issue was attic hatches or gaps around electrical boxes.

About outlets—I’m a foam gasket guy myself. Quick, clean, and does the trick for most situations. Caulk’s fine for baseboards or big gaps, but spray foam in outlets? That’s asking for a headache down the road. Seen too many folks make a mess or even create fire hazards.

If an installer’s not talking about sealing up rim joists or attic access, they’re either clueless or just trying to make a sale. Windows aren’t magic. Start with the easy wins before shelling out thousands for replacements you might not even need yet.


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diyer926250
Posts: 10
(@diyer926250)
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You nailed it about the sales pitch—some folks act like swapping windows is a cure-all, when half the time the real leaks are hiding elsewhere. I’ve lost count of how many times I’ve been called in after someone spent big on new windows, only to find the rim joist wide open or attic hatch unsealed. I’m with you on spray foam in outlets—seen it gum up wires more than once. Out of curiosity, have you ever run into installers who actually do a blower door test before quoting? That’s pretty rare in my experience, but it makes a world of difference.


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Posts: 5
(@astronomy541)
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I’ve lost count of how many times I’ve been called in after someone spent big on new windows, only to find the rim joist wide open or attic hatch unsealed.

That hits home. When we bought our place, the inspector flagged drafty windows, but it turned out the biggest culprit was a gap along the sill plate in the basement. Windows got replaced anyway—didn’t solve much. Never had an installer offer a blower door test up front, either. Seems like most just want to sell glass, not fix the problem.


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Posts: 19
(@apollosurfer)
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- Can’t count how many times I’ve seen folks swap out windows, only to keep feeling drafts. It’s almost always something like the sill, rim joist, or that attic hatch nobody thinks about.
- Blower door test? Rare as hen’s teeth in this business… and honestly, most window guys don’t want to know where the real leaks are.
- Not saying new windows are never worth it, but if you’re just chasing comfort, gotta look at the whole envelope first.
- Had a client once who spent a fortune on triple panes—still needed a sweater in July. Turns out her crawlspace vents were stuck open. Go figure.


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Posts: 13
(@carolrebel469)
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This makes so much sense. When I moved in, I figured new windows would fix everything, but the drafts kept coming. Ended up crawling around with a candle to spot air leaks... and found cold air pouring in from the rim joist and the attic pull-down. Honestly, I didn’t even know what a blower door test was until I started reading up. If I’d just replaced the windows, I’d have been out a ton of money with the same chilly living room. Now I’m obsessed with weatherstripping and foam sealant. Anyone else find those little foam gaskets for outlets actually help, or is that just me?


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