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									Passive Solar Windows &amp; Daylighting - Replacement Window Discussions Forum				            </title>
            <link>https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/</link>
            <description>Replacement Windows Discussions Discussion Board</description>
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                        <title>Figuring out the right depth for porch covers when the sun won’t sit still</title>
                        <link>https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/figuring-out-the-right-depth-for-porch-covers-when-the-sun-wont-sit-still/</link>
                        <pubDate>Tue, 21 Apr 2026 23:27:11 +0000</pubDate>
                        <description><![CDATA[Caught this article yesterday about how homeowners are using simple math to size overhangs and awnings for their windows, so you get shade in summer but still let in winter sun. The whole th...]]></description>
                        <content:encoded><![CDATA[Caught this article yesterday about how homeowners are using simple math to size overhangs and awnings for their windows, so you get shade in summer but still let in winter sun. The whole thing made me realize I’ve just been guessing all these years… Like, I always figured “wider is better,” but apparently you can actually calculate it based on your latitude and the angle of the sun during different seasons? Some folks use cardboard mockups or even apps.

My neighbor did something similar last year and swears her living room’s way cooler now, but I’m a bit skeptical—does it really make that much difference in energy bills? Also, does anyone else find the math kinda intimidating? I’m tempted to just go full trial-and-error with plywood before committing. Anyone tried this DIY or found a hack that worked (or totally failed)?]]></content:encoded>
						                            <category domain="https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/">Passive Solar Windows &amp; Daylighting</category>                        <dc:creator>summitdancer</dc:creator>
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                        <title>Finding the Sweet Spot: Balancing Window Size and Home Efficiency</title>
                        <link>https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/finding-the-sweet-spot-balancing-window-size-and-home-efficiency/</link>
                        <pubDate>Fri, 10 Apr 2026 16:53:17 +0000</pubDate>
                        <description><![CDATA[Here’s how I tried to get the best of both worlds—lots of natural light but still keeping the house cozy and efficient. First, I figured out which sides of the house get the most sun. South-...]]></description>
                        <content:encoded><![CDATA[Here’s how I tried to get the best of both worlds—lots of natural light but still keeping the house cozy and efficient. First, I figured out which sides of the house get the most sun. South-facing windows (I’m in the northern hemisphere) are great for winter warmth, but I kept them moderate in size and made sure they had good overhangs or shades for summer. For the bigger windows, I splurged on triple glazing. Not cheap, but it made a noticeable difference in drafts.

Then, I beefed up insulation everywhere else—walls, roof, even under the floors. Basically, I treated the windows as “intentional weak points” and compensated everywhere else. Oh, and I used heavy curtains at night in winter, which honestly helps more than I expected.

Is there a better way to balance big windows with insulation? Anyone found a trick to get that open, airy feel without sacrificing efficiency (or, you know, your heating bill)?]]></content:encoded>
						                            <category domain="https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/">Passive Solar Windows &amp; Daylighting</category>                        <dc:creator>cooking435</dc:creator>
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                        <title>Keeping rooms bright but cool—how do you do it?</title>
                        <link>https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/keeping-rooms-bright-but-cool-how-do-you-do-it/</link>
                        <pubDate>Tue, 10 Mar 2026 07:28:36 +0000</pubDate>
                        <description><![CDATA[I love having tons of sunlight in my living room, but in the summer it turns into a sauna. I’ve tried just using blinds, but then it feels like a cave. Are there any window films or curtains...]]></description>
                        <content:encoded><![CDATA[I love having tons of sunlight in my living room, but in the summer it turns into a sauna. I’ve tried just using blinds, but then it feels like a cave. Are there any window films or curtains that actually help with heat without blocking all the light? Or maybe plants? I’m open to weird tricks—anyone have luck with something that isn’t super expensive or ugly?]]></content:encoded>
						                            <category domain="https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/">Passive Solar Windows &amp; Daylighting</category>                        <dc:creator>lindaexplorer589</dc:creator>
                        <guid isPermaLink="true">https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/keeping-rooms-bright-but-cool-how-do-you-do-it/</guid>
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                        <title>Regretting my big north windows during winter—anyone else?</title>
                        <link>https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/regretting-my-big-north-windows-during-winter-anyone-else/</link>
                        <pubDate>Thu, 05 Mar 2026 16:22:16 +0000</pubDate>
                        <description><![CDATA[Got these massive north-facing windows when we remodeled last year, and yeah, the view is awesome—especially with snow. But honestly, the living room gets so chilly, even with double glazing...]]></description>
                        <content:encoded><![CDATA[Got these massive north-facing windows when we remodeled last year, and yeah, the view is awesome—especially with snow. But honestly, the living room gets so chilly, even with double glazing. I feel like I’m just heating the outdoors half the time. We tried thermal curtains but then, what’s the point of the view? Curious if others have found a good balance, or if I’m just doomed to wear sweaters inside all winter.]]></content:encoded>
						                            <category domain="https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/">Passive Solar Windows &amp; Daylighting</category>                        <dc:creator>swimmer54</dc:creator>
                        <guid isPermaLink="true">https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/regretting-my-big-north-windows-during-winter-anyone-else/</guid>
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                        <title>Letting in more light without roasting your living room</title>
                        <link>https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/letting-in-more-light-without-roasting-your-living-room/</link>
                        <pubDate>Wed, 04 Feb 2026 15:18:15 +0000</pubDate>
                        <description><![CDATA[One thing I tried last summer that actually worked: I put up those cheap white roller shades, but I mounted them a few inches above the window so they cover just the top part. It bounces the...]]></description>
                        <content:encoded><![CDATA[One thing I tried last summer that actually worked: I put up those cheap white roller shades, but I mounted them a few inches above the window so they cover just the top part. It bounces the sunlight up onto the ceiling and lights up the whole room, but it doesn’t blind you or turn the place into an oven. I read about it somewhere and figured it was worth a shot since my house faces south and the afternoon sun is brutal.

I also swapped out the heavy curtains for some sheer panels. The difference is wild—my plants are happier, and I don’t feel like I’m living in a cave. Only downside is less privacy, especially at night when the lights are on. I guess you can’t have it all.

Has anyone messed around with those window films that claim to let in light but block heat? I’m tempted, but kinda skeptical about how well they work (and if they look weird up close). Or maybe there’s another trick for getting daylight deeper into a room without just adding more lamps? Curious what’s worked for other folks, especially if you’ve got weird window setups or older houses like mine.]]></content:encoded>
						                            <category domain="https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/">Passive Solar Windows &amp; Daylighting</category>                        <dc:creator>lindasculptor</dc:creator>
                        <guid isPermaLink="true">https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/letting-in-more-light-without-roasting-your-living-room/</guid>
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                        <title>Sun-soaked winters: does anyone else use big windows and heavy floors?</title>
                        <link>https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/sun-soaked-winters-does-anyone-else-use-big-windows-and-heavy-floors/</link>
                        <pubDate>Mon, 17 Nov 2025 12:51:10 +0000</pubDate>
                        <description><![CDATA[Caught an article this morning about how some folks are using big south-facing windows paired with concrete or tile floors to keep their homes warmer in winter, just by soaking up the sun. I...]]></description>
                        <content:encoded><![CDATA[Caught an article this morning about how some folks are using big south-facing windows paired with concrete or tile floors to keep their homes warmer in winter, just by soaking up the sun. I’ve got a friend who swears her living room stays toasty all day because of this. Anyone here actually tried it? Wondering if it’s as effective as they say, or if it just means you need better blinds for summer…]]></content:encoded>
						                            <category domain="https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/">Passive Solar Windows &amp; Daylighting</category>                        <dc:creator>sonicbaker889</dc:creator>
                        <guid isPermaLink="true">https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/sun-soaked-winters-does-anyone-else-use-big-windows-and-heavy-floors/</guid>
                    </item>
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                        <title>Which way do your windows face for max winter sun?</title>
                        <link>https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/which-way-do-your-windows-face-for-max-winter-sun/</link>
                        <pubDate>Sun, 09 Nov 2025 00:08:10 +0000</pubDate>
                        <description><![CDATA[Just curious—when you were planning your place (or doing renos), did you pay attention to where your windows face for sun in the winter? Like, did you go all-in on big south-facing windows, ...]]></description>
                        <content:encoded><![CDATA[Just curious—when you were planning your place (or doing renos), did you pay attention to where your windows face for sun in the winter? Like, did you go all-in on big south-facing windows, or just kinda work with what was there? I keep thinking about adding more glass on the south side but worried it might get too hot in summer. What’s everyone’s setup?]]></content:encoded>
						                            <category domain="https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/">Passive Solar Windows &amp; Daylighting</category>                        <dc:creator>georgep23</dc:creator>
                        <guid isPermaLink="true">https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/which-way-do-your-windows-face-for-max-winter-sun/</guid>
                    </item>
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                        <title>Letting Natural Light In Without Roasting the Place</title>
                        <link>https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/letting-natural-light-in-without-roasting-the-place/</link>
                        <pubDate>Fri, 24 Oct 2025 19:17:13 +0000</pubDate>
                        <description><![CDATA[Trying to figure out how to get more daylight into my living room, but not end up with a sauna every afternoon. My windows face west, so I get blasted by sun for a couple hours and it’s brig...]]></description>
                        <content:encoded><![CDATA[Trying to figure out how to get more daylight into my living room, but not end up with a sauna every afternoon. My windows face west, so I get blasted by sun for a couple hours and it’s bright, but honestly kind of uncomfortable in summer. I’ve heard about light shelves and special glass coatings, but I don’t really know what actually works. I’d rather avoid adding a bunch of blinds or blackout curtains if I can help it—just want it to feel open and airy without sacrificing comfort. Anyone have luck with specific window films, or maybe those exterior shades? Or maybe something I haven’t thought of? Curious to hear what’s worked (or totally flopped) for other folks.]]></content:encoded>
						                            <category domain="https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/">Passive Solar Windows &amp; Daylighting</category>                        <dc:creator>ericsnowboarder</dc:creator>
                        <guid isPermaLink="true">https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/letting-natural-light-in-without-roasting-the-place/</guid>
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                        <title>south-facing windows and thermal mass—worth it for winter heating?</title>
                        <link>https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/south-facing-windows-and-thermal-mass-worth-it-for-winter-heating/</link>
                        <pubDate>Mon, 07 Apr 2025 09:22:36 +0000</pubDate>
                        <description><![CDATA[Been reading up lately about passive solar heating, and I&#039;m kinda intrigued by the idea of combining south-facing windows with thermal mass (like concrete floors or brick walls) to keep the ...]]></description>
                        <content:encoded><![CDATA[Been reading up lately about passive solar heating, and I'm kinda intrigued by the idea of combining south-facing windows with thermal mass (like concrete floors or brick walls) to keep the house warm in winter. Seems like a smart way to cut down on heating bills, but I'm wondering how practical it really is. Like, does it actually make a noticeable difference in comfort levels, or is it more of a subtle thing? 

Also curious if anyone's tried this in colder climates—I'm talking real winters here, not just mild chilly days. I mean, I love the idea of soaking up free heat from the sun during the day and having it slowly release overnight, but does it really work as advertised? Or do you end up needing backup heat anyway?

If you've done something similar or know someone who has, I'd appreciate hearing how it's worked out—good or bad. Just trying to figure out if it's worth investing in before I dive into any remodeling projects...]]></content:encoded>
						                            <category domain="https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/">Passive Solar Windows &amp; Daylighting</category>                        <dc:creator>collector87</dc:creator>
                        <guid isPermaLink="true">https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/south-facing-windows-and-thermal-mass-worth-it-for-winter-heating/</guid>
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                        <title>calculating shade size for summer sun—anyone tried DIY math?</title>
                        <link>https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/calculating-shade-size-for-summer-sun-anyone-tried-diy-math/</link>
                        <pubDate>Fri, 28 Mar 2025 15:02:30 +0000</pubDate>
                        <description><![CDATA[Been thinking about adding some shade to my south-facing windows before summer hits again. Looked into it a bit and seems like there&#039;s two main ways people figure out awning or overhang size...]]></description>
                        <content:encoded><![CDATA[Been thinking about adding some shade to my south-facing windows before summer hits again. Looked into it a bit and seems like there's two main ways people figure out awning or overhang size: one is using online calculators/apps that just spit out numbers, and the other is doing the math yourself based on your latitude and sun angles. I'm kinda tempted to try the DIY math route (you know, nerd points and all), but wondering if it's worth the hassle compared to just plugging numbers into a calculator. Anyone tried either method and have thoughts on which worked better?]]></content:encoded>
						                            <category domain="https://www.replacementwindowdiscussions.com/community/passive-solar-windows-daylighting/">Passive Solar Windows &amp; Daylighting</category>                        <dc:creator>buddyp41</dc:creator>
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