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Anyone tried those see-through solar windows for their home?
I keep seeing ads for these new windows that supposedly generate electricity, but I’m skeptical about how much power you actually get. Is it even worth the hassle and cost to swap out regular windows for these? If you’ve installed them, did you notice any real difference in your energy bills, or is it just a cool gimmick?
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Yeah, I’ve seen those ads too and had the same “is this for real?” reaction. I actually got a couple of the solar window panels put in last fall - just in the living room, not the whole house. Here’s the thing: they do generate some juice, but don’t expect to power your whole house or anything wild like that. It’s more like a trickle that helps offset a bit of your bill, but honestly, my energy statement didn’t suddenly drop like a rock.
The install was a bit of a pain, mostly because my house is older and nothing’s quite square. The tech is cool, though - my neighbor keeps asking if I’m running some kind of secret lab over here. I’d say if you’re already planning on replacing your windows and you’re into gadgets, it’s a fun upgrade. But if you’re hoping for a massive ROI, eh... maybe not quite there yet. Still, it’s a conversation starter when folks come over and see the setup.
- Interesting to hear your take. I get what you mean about the ROI not being huge, but I’ve actually read a couple of case studies where people with newer homes saw better results. Maybe it’s just more efficient if everything’s up to date?
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- True, but I wonder if adding more panels (like on every window) would make a bigger dent? Or maybe it only makes sense in super sunny spots.“don’t expect to power your whole house or anything wild like that”
- I’m still tempted, mostly for the cool factor and to chip away at my bill. Even a small drop feels like a win to me.
Stacking panels on every window sounds good in theory, but you’ll probably run into diminishing returns. The tech just isn’t there yet for high output, and you start sacrificing natural light fast. I’ve seen folks regret losing that daylight, especially in less sunny climates. It’s a tradeoff, honestly.
Stacking panels on every window sounds good in theory, but you’ll probably run into diminishing returns. The tech just isn’t there yet for high output, and you start sacrificing natural light f...
- Agree with the daylight issue - swapping out too many windows for solar ones can make rooms feel dim, especially north-facing.
- From installs I’ve done, output is decent but not game-changing. You won’t run your AC off just these.
- Upfront cost is higher than standard glass, and payback takes a while unless you’ve got prime sun exposure.
- Maintenance isn’t much different, but repairs are pricier if something goes wrong.
- If you’re after a noticeable drop in bills, rooftop panels still give more bang for your buck right now.
If you’re after a noticeable drop in bills, rooftop panels still give more bang for your buck right now.
Yeah, I’m with you there. I looked into these when we replaced our front windows last fall. The idea is cool, but the room definitely felt darker in the demo house. My neighbor did a couple on his sunniest side, and he said it’s a nice bonus but nothing life-changing - you’re not going off-grid or anything. Honestly, the extra cost made me pause. Maybe in a few years when the tech improves? For now, regular rooftop panels seem to make more sense if you’ve got the space.
That’s been my impression too. I did a deep dive into the specs last year, and the efficiency numbers just aren’t there yet compared to traditional panels.
- I’ve wondered about that, especially since we rely on passive solar for winter heating. Did anyone see long-term data on how much these windows actually generate per square foot? I’m curious if the payback period is even close to rooftop panels. The tech is promising, but right now it feels a bit like paying extra for a novelty.“the room definitely felt darker in the demo house”
I keep circling back to that same question - does the math ever really work out? I looked into these see-through solar windows a while back because, honestly, the idea is pretty cool. But when I compared the numbers, even the optimistic estimates were way behind what you’d get from a regular rooftop setup. I remember one manufacturer claiming maybe 10 watts per square meter under ideal conditions... which sounded decent until you realize how little that adds up to over a year.
The other thing that bugged me was the light loss. We’ve got big south-facing windows for winter sun, and I’m not keen on sacrificing that for a few extra kilowatt-hours. If you’re in a hot climate and want less sunlight inside anyway, maybe it’s a win, but here in Vermont, every bit of sunshine counts in January.
Unless prices drop or they figure out how to boost efficiency without turning your living room into a cave, I’m sticking with panels on the roof. Has anyone actually seen real-world payback numbers? All I’ve found are marketing slides and best-case scenarios...
You’re not alone - those numbers just never penciled out for me either. I did a spreadsheet last winter, mostly for fun, and even with the most optimistic efficiency figures, it was barely a blip on the electric bill. I totally get your point about winter sun, too. Up here in Maine, losing passive heat from sunny windows would mean more oil in the tank. Maybe for a glass office tower in Phoenix it’s different, but for a house in the Northeast? Roof panels seem way more practical right now. Maybe in ten years they’ll crack the code...
Tried a demo install of those in a retrofit last fall - honestly, the numbers just aren’t there yet, especially in northern climates. The transparency is decent, but you lose a lot of passive solar gain in winter, which means higher heating costs. The panels themselves didn’t generate enough to offset that loss, even on clear days. For now, standard roof panels outperform them by a mile up here. Maybe in a few years if efficiency jumps, but right now I’d stick with the tried-and-true options.
I get where you’re coming from on the efficiency, but I think it depends a lot on your window orientation and how much glass you’ve got. In my case, south-facing windows with decent overhangs actually helped limit winter heat loss, and the solar film made up for some of it. I wouldn’t use them as a primary energy source, but as a supplement, especially in homes where roof space is limited, they’re not totally out of the question. The tech’s still evolving, but I wouldn’t count them out just yet.
I wouldn’t use them as a primary energy source, but as a supplement, especially in homes where roof space is limited, they’re not totally out of the question. The tech’s still evolving, but I wouldn’t count them out just yet.
Yeah, that pretty much sums it up for me too. I looked into those solar windows last year when I was redoing my living room. My place has a ton of west-facing glass, and the afternoon sun gets brutal in the summer. Figured if I could cut the glare and make a little power on the side, why not? The installer was honest - said not to expect miracles, but every bit helps.
I wouldn’t rely on them to run your AC or anything, but if you’re short on roof space (or just don’t like the look of panels), it’s a decent backup. Price was a bit steep for what you get, though - I guess you’re paying for the novelty right now.
Wouldn’t mind seeing how these things hold up after a few years. If they ever get cheaper, I’d consider swapping out more windows... until then, it’s just window film for me and some wishful thinking.
I get the appeal, but honestly, I’m still not sold on the idea of solar windows - at least not yet. Maybe I’m just skeptical, but when I dug into it last fall, the numbers didn’t add up for me. The installer pitched it as a “bonus” if you’re already replacing your windows, but the upfront cost was way higher than regular glass, and the energy savings seemed pretty minimal. I mean, if you’re in a spot where every watt counts, sure, but for most folks, it feels like you’d be better off putting that money into better insulation or even a small battery backup.
Plus, I worry about how these things age. My neighbor had some fancy “smart” glass put in a few years back and now half the panes are foggy. Maybe the tech’s better now, but I’d want to see a few more real-world results before jumping in. For now, I’ll stick with my old-school blackout curtains and keep an eye on the prices. If these things ever get cheaper - and actually deliver - I might reconsider.
- Totally get where you’re coming from re: “the numbers didn’t add up.”
- Looked into these last year and felt the same - cost per watt is still way higher than rooftop solar, at least for now.
- Durability’s a fair concern.
- that’d drive me nuts, honestly.“now half the panes are foggy”
- If you’re already replacing windows, maybe it’s worth a shot, but for energy savings alone? Not convinced yet.
- Personally, insulation and air sealing gave me way more bang for the buck. Maybe in a few years if the tech matures...
Yeah, I’ve been keeping tabs on these solar windows too. I looked into them a couple years back when we were thinking about replacing some of our original 80s double-panes. The numbers just didn’t work for me either. Even factoring in the potential energy savings, the upfront cost is still pretty steep compared to traditional rooftop panels. And like you said, cost per watt is just not competitive right now - at least not for residential use.
Durability is my main sticking point. I’ve seen a few case studies where after a couple of seasons, the clarity started to go - kind of defeats the purpose if your “see-through” window ends up looking like frosted glass. I’d be pretty annoyed if I paid a premium and then had to deal with foggy panes or delamination issues after just a few years. Maybe commercial buildings with big curtain walls can justify it, but for a single-family home? Not convinced yet.
For what it’s worth, tightening up insulation and sealing leaks gave me the best return by far. We did blown-in cellulose in the attic and some spray foam around the rim joists - saw an immediate drop in our heating bills. Windows are always tempting because they’re so visible, but unless you’re already planning to swap them out (and don’t mind being a bit of a guinea pig), I’d say stick with proven upgrades for now.
Maybe in five or ten years if the tech matures and prices come down... but right now, it feels more like a novelty than a practical investment for most homeowners. Would love to see these things really take off eventually, though - I’m all for more ways to generate power at home, just not at any price.
I’ve wondered about the clarity thing too - my neighbor actually tried some prototype panels in his sunroom, and they started looking cloudy after just one summer. He was pretty frustrated, especially since he paid extra for the “latest tech.” I totally get the appeal, but I’m with you on insulation and sealing being a better bang for your buck. When we redid our attic insulation last year, it made a bigger difference than any window upgrade ever did. Maybe these solar windows will get there eventually... but it feels a bit early for most of us right now.
Yeah, clarity’s been a sticking point for a few folks I know too. One client had those early solar window panels put in his kitchen, and after about a year, they looked like someone rubbed them with wax paper. Not great when you’re paying extra. Honestly, unless your windows are ancient or drafty, tightening up insulation and sealing gaps gives you way more for your money. I like the idea of solar windows down the line, but right now... feels a bit like paying for the “cool factor” more than real savings.
That wax paper look is kinda what I’m worried about, honestly. I love the idea of solar windows (who doesn’t want to feel like they’re living in the future?), but if they end up looking cloudy or weird, that’s a dealbreaker for me. I’m still renting, so I mostly just shove those foam strips in the sills and call it good. But yeah, feels like solar windows are more about bragging rights right now than actual energy savings. Maybe in a few years when the tech’s less… experimental?
I totally get the wax paper fear - my buddy tried an early version of those solar windows, and his living room had this weird, frosted look for months. Honestly, it looked like a bathroom stall. I’m with you on the foam strips; cheap, easy, and no one notices unless they’re really nosy. I think with solar windows, the tech just isn’t quite there yet for renters or anyone who cares about aesthetics. Maybe in a few years they’ll figure out how to make them actually look like regular glass... fingers crossed.
Tried a demo panel in my sunroom last year - looked fine at first, but after a couple weeks, the haze was super obvious. Didn’t love the look, especially when sunlight hit it just right. Honestly, for the price, I’d rather stick with traditional windows and maybe slap a solar panel on the garage roof. Until these things actually blend in, it’s a hard pass for me. I like clean lines, not that frosted mess.