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If Europe has started experiencing over 40°C heatwaves frequently, then this planet really is fucked
(lemmy.world)
this post was submitted on 06 Jul 2026
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We get that here in Texas but we have air conditioning. It can get super dangerous super fast.
Oh hey Texas, how's your power grid?
I hear that the US as a whole is going to be experiencing rolling blackouts and about 60million people will be affected. I doubt Texas will fare well during that time.
The power grid operators have been warning they can't keep up with the demand data centers and rising temperatures are creating. But when have we ever listened to experts so of course we haven't done anything to help the situation.
texas will suffer far worst, since thier outdated grid isnt connected to the rest of the country.
Never forget that the fact it's separate is INTENTIONAL and the fault of TEXAS
They always have to be the special little snowflakes that they are, so scared of science and logic.
That's not true! We told people to not go easy on the air conditioning!
I mean Mamdani asked people to set their AC to 78 to help the situation and he was called an evil commie for doing so.
And then the DOE wiped all references to that advice from their shit. Or so I'm told by one journalistic outlet and two people I know who give half a shit.
*fare
*affected
Thanks I always struggle with that one.
I read an article recently that they massively upgraded their power grid after those winter outages and they should be just fine now. So probably better than you expect.
One of my coworkers lives in Texas and frequently reports losing power in the middle of meetings. Don't know if it's true or just him trying to play it off. But he'll drop from a call and reconnect on his phone every so often.
You would be correct. The grid is fine, even during cold snaps. The electric companies still do raise their prices during crises though, taking advantage of people when they are in danger.
Ditto Queensland. 40+ isn't pleasant but there are well established ways to handle it here.
A home designed to insulate against Northern European winters turns into a death trap in sustained high temps like this.
That’s not how insulation works
Yes because modern Scandinavian homes have huge uncovered well insulated windows to allow the sun in as a free radiator during winter. I calculated my living room window to be somewhere between 3000W-5000W worth of radiation. Due to the high insulation this doesn't dissipate during the night in a heatwave, so it doesn't matter if the outside temp is 18°
Why? Because housing regulations dictated it. No one expected 2018 levels of heatwaves to be the new norm (except all the experts).
My old apartment reached temps of 35° measured at midnight for weeks in the 2018 heatwave despite the outdoor temp not rising much above 30°. Morning temps where around 28° with all windows open. If the morning baseline was lower the night temps might have been possible to sleep in but the insulation kept temps high throughout.
I'm Dutch and in a similar situation. There's these stick-on sun screens with suction cups: https://huizedop.nl/wp-content/uploads/2025/06/novalux-zonwering-met-zuignappen.jpg
Works wonders, can be made to size, they're relatively cheap. Hope it'll help.
I live in a rental on 4th floor, unfortunately I can't add anything to the outside of the windows... And putting anything on the inside risks trapping the heat in the glass and cracking it.
It's fine to put aluminium foil on the inside. Sunlight is reflected out without heating up the glass. That's what worked for me anyway.
As long as there is no space for air to get trapped between the glass and a reflector, it's no issue to put it on the inside (although its more effective when on the outside) - those foils that can be put on the window using a little bit of water do a good job. Biggest problem are dark objects when only away a few centimeters from the glass - those will crack the window in no time.
At least where i live, non-permanent modifications that use things like suction cups don't need approval from a landlord.
Great stuff.
Which of course is why you pull down the blinds to limit heating of surfaces inside during the day and let the insulation keep heat out.
Which is why you of course open windows during the night to cool things off when temps are lower.
it's not perfect, and helps less with high nighttime temps, but it makes the proper insulated home work with you and not against you as much as possible.
We have a massive south facing side filled with windows (and two double glass doors), covers about 80% of the living area, all blinds mounted inside. We still had 9°C lower temps inside compared to outside during the worst hours of the heat wave. Yes 28°C is still hot, but much better than the 37°C we had outside.
Open all fucking windows during the night and close them and barrier them from the outside during the day.
Works perfectly when it's still 35°c in the middle of the night 👍🏻
If its still 35 during the night then it will rise to that temperature inside regardless of insulation. Maybe more quickly without it. The point was insulation. If the min night temperature is 35, then you have air conditioner or you die.
This is what I do, living likewise in a well insulated northern house that sees sustained high temps.
I’d gladly take my well insulated home during any heat wave over a poorly insulated one. Anyone who thinks less insulation is the solution is misunderstanding the problem.
It’s fine to be frustrated by high temps. It sucks. But insulation is a friend in your fight against high temps, not a foe. Use insulation to resist heat rise during the day and use heavy ventilation at night to exhaust and exchange for cooler air. The alternative is to have low insulation and accept indoor temps being constantly pinned to outdoor ambient which is a recipe for discomfort.
It's not the insulation that's the problem, it's the lack of shading. Modern building regs basically demanded in all but writing huge south facing windows, turning any house into a greenhouse. Old houses have overhangs, shutters, awnings etc. Especially overhangs were excellent because it blocked out the high summer sun without blocking the light and let in the low winter sun. But that wasn't sexy so all new houses have done away with it and the new housing regs didn't have any effective regs to ensure summer comfort.
Maybe read the last part. My current apartment is much better than my old one since I can actually create a wind tunnel, but even then it doesn't lower it below 25°
And any apartment I've had didn't allow for adding anything to the outside unfortunately. The apartments just weren't designed for summer comfort.
I see your point. I do not see how you cannot cover the outside of thr window yet. I live on the 4th floor of an absolutrly insulated building in a much hotter region than Scandinavia. Covering window and letting air go during cooler nights keep temperature at approx -6 compared to outside temp. If outside temp doesnt go below say 26 during the night, then its air conditioning either way, regardless of insulating (but with insulation it remains cooler for longer).
It is physically impossible to get to the windows, there is no balcony. I'd need a boom lift to get to them. Modern Scandinavian designs simply didn't account for proper shading of windows and if you're in an apartment you're shit out of luck.
Now I totally get your point. That is bad design. Even as to just clean windows. Our windows can be opened inwards totally or just slightly tilt it.
It kind of is. Architecture is actually really hard.
except you don't actually "get it" as you keep voting against anyoe that hints at a solution
Either I'm misunderstanding their comment or you are. To me, "it" meant the temperature (40°C), which they very much do get. This is why they mentioned A/C, right?
I think both are right, they do get what those temperatures are like and is why they mentioned AC. However what they don't understand is that if its that bad for Europe imagine how much worse it will be for places like Texas.
I think you're right.
My reading of their comment (the parent comment, not the one you replied to) was that they were commiserating about the awful heat and being thankful for the fact that they have AC while also highlighting that the heat can quickly turn deadly if you're not prepared for it.
The person you replied to on the other hand: I'm interpreting their comment as treating all of Texas (if not the US) as a singular political body (basically: who wins the election got 100% of the vote) and is blaming the commenter for the outcomes of those elections and the current heat waves. They also seem to be taking the parent commenter's comment as an angle for attacking them as if they would attack somebody directly responsible for what's going on.
This is unfortunately quite common online with people. Also IRL but people are less inclined IMO to be so rash and confrontational IRL than online as online you can "fire from the hip" with comments without any fears of repercussions really.
I think you completely misinterpreted my comment. We get to 40 C regularly in Texas.
It’s not about understanding anything. Yes, the voters are idiots here.
I probably did… I was half drunk when I posted
Vote blue no matter who! That will fix it!
Like that time we elected the president who literally made a movie about how climate change is a big deal!