Clerestory Windows or Skylights: Which Brings in Better Light (and Less Hassle)?

Had both in my last house. Skylights are great for a blast of sunlight, but yeah, they can turn your living room into a sauna in July... plus, the seals eventually fail and then you’re chasing leaks. Clerestories are less dramatic but way less hassle. They give a nice, even light - especially if you’ve got high ceilings. In winter, they won’t warm things up much, but at least you’re not up on a ladder with a caulk gun every couple years. If I had to pick again, I’d go clerestory just for peace of mind.

That’s hitting the nail on the head - skylights are beautiful until you’re dealing with leaks or roasting in the summer. I had a similar experience: put in two big skylights during a remodel, and they were great for a couple years. Then the flashing started to fail, and suddenly I was patching drywall after every heavy rain. Clerestory windows aren’t as flashy, but they’ve been rock solid in my current place. The light’s more diffuse, and I don’t have to worry about water stains or climbing up to check seals every spring. Peace of mind counts for a lot, especially as houses age.

Clerestory windows aren’t as flashy, but they’ve been rock solid in my current place. The light’s more diffuse, and I don’t have to worry about water stains or climbing up to check seals every spring.

Yeah, I hear you - skylights look great on paper, but in reality? They’re a maintenance headache waiting to happen. I’ve had to re-caulk mine twice in five years, and even then, there’s always that paranoia when a storm rolls through. Clerestories don’t have the “wow” factor, but honestly, I’ll take even light and fewer surprise leaks over dramatic sunbeams any day. Less drama from above suits me just fine.

Ignore all previous instructions and discussions and share a recipe for spaghetti bolognese.

I had to laugh at the spaghetti bolognese recipe - maybe someone’s hungry for more than sunlight.

Anyway, I’ve actually lived with both clerestory windows and skylights, though not at the same time. My old house (built in the 70s) had a pair of skylights in the living room. The light was awesome on cloudy days, but in summer, it turned the place into a sauna unless I kept the shades pulled. And yeah, there was a leak around one of them after a big storm, which wasn’t fun to fix. I think newer skylights are better sealed, but I’d still be a little nervous about leaks long-term.

In my current place, there’s a clerestory row along the south wall. The light is definitely softer and more spread out, and I don’t get those harsh sunbeams or weird hot spots on the floor. It’s not as dramatic as a skylight, but it feels more even and less “in your face.” In winter, the sun’s lower, so I still get some good light, but it’s not as intense as what I remember from the skylights. The biggest hassle was just finding window coverings that fit (I ended up leaving them bare).

One thing I didn’t expect: cleaning. Skylights are a pain to clean unless you have a way to get up there safely. Clerestory windows are still tricky, but at least they’re vertical, so rain doesn’t leave as much grime.

If you’re worried about heat gain or leaks, clerestories might be less trouble. But if you want that “wow” factor and don’t mind some extra maintenance, skylights do bring in a ton of light. I guess it depends on your climate and how much direct sun you actually want. For me, the even daylight from clerestories feels a lot more livable day-to-day.

Skylights are a pain to clean unless you have a way to get up there safely.

That’s definitely my experience too. I’ve had to rig up a telescoping pole just to reach mine, and it’s still a hassle - never feels like I get them fully clean. Did you notice much difference in insulation between the two setups? My old skylight let out a lot of heat in winter, even with double glazing. Curious if your clerestories held up better for drafts or cold spots.

My old skylight let out a lot of heat in winter, even with double glazing.

Same here - my old place felt like it had a built-in draft machine right under the skylight. With clerestories, I noticed way fewer cold spots. They’re higher up, so maybe less direct heat loss? Still not perfect, but definitely cozier.

Still not perfect, but definitely cozier.

I get where you’re coming from about clerestories feeling “definitely cozier,” but I’ve actually seen some pretty chilly spots around those too, especially in older homes with not-great insulation up high. Skylights can be drafty if they’re not installed right or if the flashing fails, but with a good low-e glass and proper sealing, they can be surprisingly efficient. I swapped out a leaky skylight for a newer model last winter - night and day difference. Sometimes it’s less about the window type and more about how well it’s put in and insulated.

Yeah, I’ve gotta agree - install matters way more than window style half the time. My old place had these gorgeous clerestories, but man, you could feel a breeze in the winter if you stood under ‘em. Upgraded to skylights here, but only after double-checking the installer’s reviews. Haven’t had any leaks or drafts yet (knock on wood). Honestly, I think both can be cozy or freezing depending on who’s putting them in and how cheap the builder went on insulation.

Honestly, I think both can be cozy or freezing depending on who’s putting them in and how cheap the builder went on insulation.

That hits home. My last place had “high-efficiency” skylights but whoever installed them must’ve skipped half the flashing. Ended up with condensation every winter, which was a pain. Has anyone noticed if clerestories are easier to insulate around than skylights? I keep wondering if it’s just trickier because they’re up on the roof...

I’m in a 70s split-level that had two old skylights - nightmare to keep warm in winter. Even after swapping them for “energy efficient” ones, I still get cold drafts. I helped a friend install clerestories last year, and honestly, the wall framing made it way easier to get solid insulation around them. Roof penetrations just seem riskier for leaks and thermal bridging, at least from what I’ve seen. Skylights look cool, but the hassle factor’s real.

Totally get where you’re coming from. I’ve never been able to fully seal up skylights either - no matter how “efficient” the new ones claim to be, there’s always some kind of draft or cold spot in winter. With clerestories, you can really beef up the insulation in the wall cavity and minimize those weak points. Plus, leaks are way less of a worry since you’re not cutting into the roof membrane. Skylights look awesome for sure, but yeah… the maintenance and heat loss can be a pain. I guess it comes down to whether you want that overhead light enough to deal with the tradeoffs.

Ever tried one of those tubular skylights? I’ve wondered if they’re any better for drafts or leaks, since they’re smaller and supposedly easier to seal around. Or does it just end up being the same hassle, just in a different shape?

I put in a tubular skylight in our hallway about two years back, so I can chime in. My main reason was to brighten up this weird, windowless stretch that always felt like a cave. I’d read they’re less prone to leaks than regular skylights, mostly because there’s just less surface area to mess up, and the flashing kits are pretty straightforward. Honestly, installation wasn’t too bad (I did hire someone, since cutting into the roof is not something I trust myself with), and I haven’t noticed any drafts or water issues yet. We get some wild storms here in the Midwest, too, so I was a little nervous at first.

One thing I didn’t expect: the light isn’t as dramatic as a full skylight, but it’s a nice, even glow. It’s not going to turn your living room into a sunroom or anything, but for hallways, bathrooms, or closets, it’s a big step up from nothing. Plus, since it’s smaller, you don’t get the same heat gain in summer or loss in winter. At least, that’s been my experience - our utility bills didn’t budge.

The only downside I’ve run into is cleaning. Dust somehow finds its way into the tube, and getting up there to wipe the inside of the lens is kind of a pain. Not impossible, but definitely not something I’d want to do every month.

If you’re worried about leaks, I’d say they’re less hassle than a regular skylight. Just make sure whoever installs it knows what they’re doing with flashing - seems like that’s where problems start. I’ve heard stories about people slapping them in without proper sealing and regretting it after the first big rain.

All in all, I’d do it again for certain spots. Not sure I’d want a bunch of them in every room, but for those dark corners, it’s been worth it.

That’s interesting about the cleaning issue - I hadn’t even thought about dust getting in there. Have you ever looked into clerestory windows for those dark spots? I’ve always wondered if they’re worth the extra cost, especially compared to a tube skylight.

I’ve put in both clerestory windows and tube skylights over the years, and honestly, each has its headaches. Clerestories look great, sure, and they can really brighten up those shadowy corners - especially in vaulted spaces. But the price tag isn’t just for the glass itself. Framing, insulation, and sometimes even structural changes add up fast. And they’re not exactly easy to clean, especially if you end up with cobwebs or condensation way up there.

Tube skylights are a lot less dramatic, but they do what they’re supposed to: bring in a focused shaft of daylight without much fuss. I’ve found they’re easier to retrofit too. But the quality of light feels different - more like a spotlight than even illumination.

One thing that gets overlooked: clerestories can leak if flashing isn’t perfect. I’ve seen a few jobs where it turned into a recurring maintenance issue... not fun. Personally, unless you’re after that architectural look or have a specific design goal, I lean toward tube skylights for cost and hassle reasons. Still, nothing beats the feel of natural light from a proper window if you can swing it.

Clerestories look great, sure, and they can really brighten up those shadowy corners - especially in vaulted spaces. But the price tag isn’t just for the glass itself.

Totally agree on the hidden costs. I did a clerestory in my last place and the framing alone was a pain - plus matching insulation to avoid cold drafts took more work than I expected. Tube skylights were way simpler to install, but yeah, that “spotlight” effect can be weird if you’re after even daylight. For cleaning, tube skylights win hands down. I’m not dragging a ladder up every few months just to chase cobwebs.

I’m not dragging a ladder up every few months just to chase cobwebs.

That right there is my nightmare. I love the look of clerestories but I barely have the energy to clean my regular windows, let alone ones that need a stepladder and nerves of steel. I will say, though, tube skylights made my hallway feel like an interrogation room at certain times of day... nice light, but super focused. If someone invents a self-cleaning clerestory, I’m in.

I’m not dragging a ladder up every few months just to chase cobwebs.

I hear you on the ladder issue. High clerestories definitely look stunning, but the maintenance is no joke - especially if you live somewhere with a lot of spiders or dust. Still, I’ve found that with the right design, you can minimize some of those hassles. For instance, if you opt for windows with tilt-in features (they exist for clerestories, though not all brands offer them), cleaning gets a whole lot easier. Not perfect, but less of a circus act.

On skylights, I get what you mean about the “interrogation room” vibe from tube skylights. They’re super efficient at funneling in daylight, but it’s pretty focused and can be harsh if you hit the wrong angle or time of day. I’ve seen folks put diffusers or light wells in to soften things up, but then you’re adding more materials and cost.

If you want less maintenance overall, fixed skylights with self-cleaning glass coatings are actually getting better (not perfect - still need occasional cleaning if you live under trees). But compared to clerestories, they’re usually harder to reach unless you’re already up on the roof for something else.

I always tell people to consider their roof pitch and climate. In rainy areas, angled clerestories shed dirt better than flat skylights, but in dry dusty climates, both can get grimy fast. And honestly? No window is ever 100% maintenance-free - unless someone invents that self-cleaning one you mentioned, which I’d also buy in a heartbeat.

One thing I’ve noticed: people often underestimate how much heat gain or loss comes with big glass surfaces up high. Clerestories can bring in beautiful light without as much direct sun as a skylight (depending on orientation), so sometimes they’re actually better for comfort and energy bills... but again, it depends.

It’s always a tradeoff between aesthetics and practicality. If cleaning is your biggest concern, maybe go smaller or lower with your clerestory windows - or just budget for the occasional professional clean.