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Big windows vs heating bills—worth it?

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dghost91
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(@dghost91)
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So, um, I've been daydreaming about installing one of those huge picture windows in my living room to get that nice natural light vibe going. But then I got thinking about winter and how much heat I might lose through all that glass. Curious what you guys prioritize more—having a bright, open feel or keeping energy costs down? Quick poll: big window beauty or cozy efficiency?

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(@jerrymagician)
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"Curious what you guys prioritize more—having a bright, open feel or keeping energy costs down?"

Honestly, you can have both if you're smart about it. I've installed a couple of big windows myself, and the key is choosing the right glass. Go for double or even triple-glazed windows with low-E coatings—they make a huge difference in heat retention. Sure, upfront costs are higher, but you'll thank yourself when winter rolls around. Have you looked into insulated window treatments too? They can help balance things out nicely...

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kwalker27
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(@kwalker27)
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Totally agree on the insulated treatments, they're underrated. I put in cellular shades last year and noticed a real difference. Big windows are great, but without proper insulation, you're basically heating the yard... learned that the hard way myself.

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(@lsmith47)
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Yeah, cellular shades are a solid choice. I installed them in our living room a couple winters back, and the difference was noticeable almost immediately. Before that, we had these thin curtains that looked nice but did nothing to keep the heat in. Big windows are awesome for natural light and views, but man, they can really drain your wallet if you're not careful.

Another thing I've found helpful is sealing around the window frames with weatherstripping or caulk. Even tiny gaps can let in drafts you wouldn't believe. Last year, I went around checking all our windows with a candle flame—sounds silly, but it works—and sealed up any spots where the flame flickered. It made a surprising difference.

Anyway, big windows don't have to mean big bills if you're proactive about insulation and sealing. Just takes a bit of effort upfront, but it's totally worth it in comfort and savings down the line.

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dghost91
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(@dghost91)
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I get the point about sealing drafts, but honestly, even with good shades and weatherstripping, big windows can still be a hassle. Had a huge window in my old place, and winters were always a battle between loving the daylight and hating the heating bill. Sure, you can minimize losses, but glass just doesn't insulate like a solid wall. If you're really into natural light, maybe consider slightly smaller windows or at least triple-pane glass—otherwise, expect some compromises.

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(@shadow_ghost)
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"glass just doesn't insulate like a solid wall."

True, but don't underestimate passive solar heating. My south-facing windows actually help warm the place on sunny winter days. Big windows aren't always the enemy—orientation matters a lot. Just gotta plan smartly.

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anthonyb29
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(@anthonyb29)
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Good point about orientation—makes a huge difference. But even south-facing windows can lose heat at night or on cloudy days. I've found insulated curtains or cellular shades help a ton...best of both worlds, really.

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coffee531
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Installed large windows for a client last winter—south-facing, double-pane, low-E glass. Still, they noticed cold drafts at night. Added cellular shades afterward, and it solved the issue completely. Orientation helps, but insulation layers are key.

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(@raystreamer)
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Interesting experience, and I agree that insulation layers can make a big difference. But I'm curious if the drafts your client felt were actually due to the windows themselves or perhaps related to installation details? Even high-quality double-pane, low-E windows can feel drafty if the sealing around the frame isn't airtight or if there's thermal bridging happening through the window frames themselves.

I had a similar issue a couple of years ago when we installed large picture windows in our living room. Initially, we blamed the glass, but after some investigation, we realized the drafts were coming from tiny gaps around the window frames. A bit of careful caulking and sealing tape solved most of our problems without needing additional window treatments. Cellular shades are definitely effective, but they can also block some of the passive solar gain during sunny winter days, which is one of the main benefits of south-facing windows.

Also, I'm wondering if anyone has considered triple-pane windows as an alternative? They're pricier upfront, sure, but I've read they significantly reduce heat loss and drafts compared to double-pane—even low-E ones. Might be worth crunching some numbers to see if the long-term energy savings justify the initial investment.

Anyway, just throwing out some thoughts here... every situation is different, and sometimes it's tricky pinpointing exactly where heat loss is happening.

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tbaker61
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(@tbaker61)
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"Even high-quality double-pane, low-E windows can feel drafty if the sealing around the frame isn't airtight..."

Yeah, totally agree with this. I've seen plenty of cases where folks thought their windows were faulty, but it turned out to be installation gaps. Good catch on checking that first—can save a lot of headaches later.

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