Summer is in full power here in Kerala, India. Concrete radiating heat and rooms are hot even at night.

Have seen people mention things like blackout curtains, reflective or white paint on the roof etc.

Have upped hydration and am now sleeping with windows open, with a mat on the floor.

What all things do the people in your locality do? Or if you have any specific insight into cost-effective techniques or so, could you kindly share them?

Thanks in advance

  • SharkWeek@lemmy.blahaj.zone
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    4 hours ago

    So, a lot of this is duplicated, but it’s a list of what I do against the heat …

    External shutters outside of the windows, both are closed the moment the sun hits to shut in the cold(er) air, and open over night. We also have tiled shades over all the windows so there’s no direct sunlight into the house during most of the day.

    Ceiling fans running at low speed

    Cold 2 minute showers in the middle of the day

    Put on a cold wet t-shirt

    Wear as little clothing as possible while out of the sun. In the sun, light coloured breathable loose material (linen trousers are a godsend against mosquitoes)

    Don’t go outside or be active in the hottest part of the day

    Don’t eat much, if at all, during the day

    And my wife’s favourite - getting in a kid’s paddling pool (I don’t like it, but she does)

    • eldavi@lemmy.ml
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      1 hour ago

      can’t wait for the day that the american gov’t puts this in an advisory warning for americans after we let climate change do its thing to us. lol

  • IntrovertTurtle@lemmy.zip
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    3 hours ago

    Obligatory not a fix for everyone but:

    I’ve read that drinking cold milk helps keep you cooler than drinking cold water. Something about the electrolytes in the milk making it digest more slowly?

    This is only a short-term fix obviously, and only if you enjoy drinking milk, but it’s an option.

  • NihilsineNefas@slrpnk.net
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    7 hours ago

    Using IR blocking films (like the ones that they use to tint car windows, preferably the type that use static cling instead of adhesive because they’re far easier to apply) on any windows helps to keep the incoming heat down during the day,

    Having airflow through the house at night with open windows or some form of vent, just make sure to add in bug nets to block any intrusive animals.

    The addition of louvres (solid panels that have angled plates in them to block sunlightbut allow airflow) to the outside of windows can help keep temperatures down as well.

  • GriffinClaw@lemmy.zip
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    9 hours ago

    Whrere I live, temps go in the 40-50°C range in the summer (and 60+ in some inland areas). Here is what we do to stay cool.

    1. Cool(er) air ventilation Windows open at night, closed past morning, with blinds down when sunlight starts hitting the windows. Ensure that air can circulate through (otherwise, you might actually get heatstroke from how hot the house gets). In cass the heat makes you feel like you cannot breathe, blinds down and windows open (better than suffocating) Also, no joke, get greenhouse green screens, and set them up inverse outside your windows. Instead of trapping heat in, they throw heat out instead. Surprisingly cooling.

    2. WATER AND COOLING FOOD! Water is a must, and there are foods that cool you down instead of warming you up. (avoid the later wherever possible!) Examples of cool foods: frozen desserts, lassi (yoghurt water drink, makes you sleepy) etc

    3. Fans. Fans everywhere. Doesn’t matter if hot enough that it feels like a hair dryer instead. Evaporation + air is your friend (bonus tip: if you live in a dry zone, get an air cooler. It’s an enclosed fan behind a self contained waterfall. Humid air is particularly cooling. Beware metal cabinets in the same room though. They rust, bad).

    4. Baths. Baths are especially cooling. Take at least 2 a day. My cousins, who live inland at 60+ temps, bathes at least 4-5 times a day. Also, their bathrooms all have massive fans :)

    5. Clothes. In summer, we wear our thinnest, oldest cotton clothes possible (aka, almost seethrough). We never go out in them, but they sure make the house bearable.

    6. Naps and talcum powder. Human body temps naturally decrease when napping. Talcum powder, spread on the hottest parts of the body, absorbs heat and cools you too. The powder gets soaked in sweat and is useless pretty quickly, but combine bath + fan + powder + nap (and probably no undergarments/naked) makes noon bearable to go through. Talcum powder in particular stops rashes from too much sweating, if you have trouble bathing more than twice a day like I do.

    Thats about it from me. Hope it helps!

  • MonkderVierte@lemmy.zip
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    4 hours ago

    Spray your back and socks with water occasionally. Not the shoulders, that gives you rheumatism. Only works under max humidity of course.

  • crapwittyname@feddit.uk
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    9 hours ago

    If your home isn’t well adapted to reject heat, you can use tinfoil to reflect the sun. It’s cheap and incredibly efficient at keeping heat out. It doesn’t look very nice but it works a treat. Just remember if you are covering windows (with anything) that the cover has to be on the outside otherwise some heat will still make it in.

  • Cherry@piefed.social
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    10 hours ago

    Try bamboo sheets. They are a bit expensive but they feel cooling in the summer, they are very breathable but are also have a weight to them to help you sleep.

  • Mothra@mander.xyz
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    13 hours ago

    Things me or my parents would do those 40⁰C+ days:

    Pull down the blinds to block the sun during the day. If the air is considerably hotter outside, don’t open the windows/doors. Wait until there is no difference in temp to do so.

    If access to water isn’t an issue, once the sun goes down you can hose the exterior of the house, walls and any surrounding concrete/stone surfaces. It will cool it down considerably.

    If it is really hot I would sometimes put a wet towel on wherever I was feeling the heat the most (usually heads and shoulders/arms). You will need to soak it every hour or so, because it will start to dry and warm up as you wear it. You can sleep like this, too, but you may wake up from the heat under a hot towel that’s nearly dry.

  • Rimu@piefed.social
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    11 hours ago

    In tropical countries I carry an umbrella everywhere. It’s much better than a hat because it has more airflow and provides more shade.

  • Fondots@lemmy.world
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    12 hours ago

    My area isn’t the hottest, but it does usually get up to about 100F for a day or two most years, and in the summer temps are in the 80s or 90s during the day pretty consistently, and it can be humid.

    I have a mostly finished basement, I’ll spend a lot of time down there over the summer, it stays pretty consistently cool.

    I’m lucky that I work night shift, so it’s easier for me to do stuff in the evenings or early morning before it gets too hot.

    There’s a saying that there’s no such thing as bad weather, only inappropriate gear. I usually joke that in the summer that means air conditioning.

    But if you don’t have a/c, opening your windows and getting some fans going can really go a long way to keeping your house cool.

    Limit your time outside, find somewhere to sit down in the shade and take a break if you need to.

    Dress appropriately for the weather, lightweight, light colored, breathable clothing, linen is great if you can find it. Maybe consider wearing a wide-brimmed hat to keep the sun off your face and neck when you go outside.

    Drink lots of water, find some cool foods to eat, watermelon, cold soba, ice cream etc.

  • besmtt@lemmy.world
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    5 hours ago

    This isn’t going to be an option very often, but when the conditions are just right I like to leave windows open overnight to cool down the house. If it’s going to be below 60°F and above 80°F the next day, it works best for me. Keep an eye on the dew point though because too much humidity isn’t great. I like to open windows on one side of the house then open another in the other side with a powerful pedestal fan sitting about 4 feet away. That seems to work best for moving air through the house and usually lets me get away without running the AC the next day. Also, Vornado makes a transom window fan that fits snuggly in the window case, that’s a great balance between blocking out a bit more noise because the window isn’t wide open, it’s a noise machine, and a huge benefit is it’s reversible.

    Good luck!

  • kindnesskills@literature.cafe
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    11 hours ago

    Look into green roofs.

    Might be a larger project to get started, than simply buying a fan, but will probably last longer and improve air quality as well as reduce heat. Even better if you can get your neighbours involved and give multiple homes green roofs together, to improve outdoors heat and air for the whole neighbourhood as well as for you individual home.

  • reallykindasorta@slrpnk.net
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    12 hours ago

    I grew up somewhere where it didn’t cool down a lot at night and the only solution was to sleep in front of a fan. Sometimes I could get the fan to blow directly into the sheets and sort of balloon them out which was pleasant.

    Where I live now it cools at night so I can open the windows at night and close them up during the day. Sometimes I close the curtains too if it will be extreme. I open the windows and create a cross draft when it cools down.

    Those ice/fan pseudo a/c setups don’t work well.