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Struggling to understand window insulation ratings and it's driving me nuts

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Posts: 8
(@pets_adam)
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"Landscaping is definitely underrated, as mentioned above. A well-placed tree or hedge can be like nature's own insulation system."

This got me thinking... has anyone experimented with indoor plants for insulation purposes? I mean, obviously they wouldn't have the same impact as outdoor landscaping, but maybe strategically placed large plants could help buffer drafts or cold spots indoors. I've seen some luxury homes using greenery walls—wonder if that's purely aesthetic or if there's a practical insulating benefit too. Curious if anyone has insights on this.

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snowboarder73
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(@snowboarder73)
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I've actually worked on a project where the client insisted on a large indoor green wall in their living room. Initially, I thought it was purely aesthetic, but we noticed it did slightly buffer drafts from a large north-facing window. It wasn't dramatic insulation-wise, but it made the space feel cozier and less drafty.

"maybe strategically placed large plants could help buffer drafts or cold spots indoors."

I'd say it's more of a subtle comfort improvement rather than a significant insulating factor...but still worth considering.

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charlie_whiskers
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(@charlie_whiskers)
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Interesting observation about the green wall. I've seen similar subtle effects with heavy curtains or even bookshelves placed near windows—nothing dramatic insulation-wise, but they do seem to cut down on that chilly draft feeling.

"I'd say it's more of a subtle comfort improvement rather than a significant insulating factor...but still worth considering."

Yeah, totally agree with this. It's more about perception and comfort than actual thermal performance. Makes me wonder though, has anyone here experimented with combining these subtle solutions—like plants plus thermal curtains or blinds—to see if there's a cumulative effect? I haven't tried it myself, but it seems like layering might amplify that cozy feeling, even if the numbers don't show a huge insulation boost. Curious if anyone's noticed a difference when mixing these smaller strategies together.

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singer55
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(@singer55)
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I've actually done something similar—combining thermal curtains with a bookshelf near the window—and it did seem to make a noticeable difference in comfort. Not sure if it was psychological or actually measurable, but the room definitely felt cozier. One thing I've wondered about though: does the type of plant matter much? Like, would denser foliage or larger leaves help cut down drafts better than smaller plants, or is it more about just having something there to break up airflow? I haven't tested this myself, but it'd be interesting to see if certain plants are more effective than others at creating that subtle barrier effect.

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anthonybirdwatcher
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(@anthonybirdwatcher)
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I've noticed something similar—plants can indeed help break up airflow, but I doubt leaf size alone makes a huge difference. Denser foliage might slightly improve the barrier effect, but realistically, it's probably minimal compared to curtains or furniture placement. Still, every bit helps, right?

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