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The building codes are mostly locally drawn up and enforced. The US is so big that required R values for construction can vary greatly. In the southern US the highest recommended R values are the lowest recommended values for the northern regions.
A friend moved from Minnesota to Florida where he built a house. He mentioned how much less insulation was put in the new Florida house than was in his old place in Minnesota. He said it was a cost savings measure. Plus in Florida they are only cooling the house (or on rare occasions heating it) by 20 or so degrees F (~10C). Whereas in Minnesota you're heating the house 50-60 degrees F or more during the winter. This was in the 90s. Times have changed so I would expect that now his story might be different.
R value is the thickness of the insulation divided by the thermal conductivity of the material. (That's a simplistic definition. It's actually a fairly complex calculation.) It's basically a measure of the resistance to heat transfer. The typical recommended R values (now) are:
Ceilings/attics are R30-50 in the south, R50-60 in the north.
Walls are ~R14 everywhere.
Floors are R13-19 in the south, R25-30 in the north.
The central US is somewhat in between these numbers, but tend to go as high as in the north.
The current recommendations/requirements are all fairly new now that climate change is starting to cause regulation and the cost of heating and cooling are going up. There are a lot of older houses that don't even come close to current recommendations. In a lot of places, especially rural, it'll still come down to est. cost to heat vs cost of insulating rather than some regulation. Northern MN has lots of trees, you see a lot of wood burning. Southern MN has lots of corn you see more corn pellet burners. These are typically used to offset the cost of oil or gas heating and are easier and cheaper to add than insulation on older construction.
The house I grew up in (northern Minnesota) was a drafty cold house in the winter - built in the 50s. You could feel a breeze come in some outlets. But, heating was cheap back then. You just upped the thermostat and/or wore a sweater. You also got used to it. My brother now lives in the old place and keeps the thermostat set to 67 and you dress up if it feels cold. He typically wears shorts and a t-shirt around the house - as I said, you get used to it.
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the core part of my home is very old almost 100 years old. I have new additions to it though that are up to code for this area of new york. however, the older parts of the house need to really have the insulation upgraded to new code. those parts of the house are always the coldest.
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We are expecting the coldest days of the winter in the next three days...
It will be 2-7 C° (night-day)...
"Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid." ― Albert Einstein
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No thanks. I like looking at pictures of snow, but wouldn't want to live in it. 
We have the opposite here, it hasn't dropped below 25C overnight for about week now, with daytime getting above 34C.
Of course the air-con broke before xmas. <sign> 4 more days until the new one is installed.
// TODO: Insert something here Top ten reasons why I'm lazy
1.
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While in the service, I spent one winter in Orlando FL, the next winter in Fairbanks AK. If someone offers you the choice, I recommend Orlando. Worst was -50 degrees F, working outside.
>64
Some days the dragon wins. Suck it up.
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Funny situation:
⬜⬜🟩⬜⬜
🟨🟩⬜🟨🟩
5 letters in two tries, two letters still need to be swapped...
Luc Pattyn [My Articles]
The Windows 11 "taskbar" is a disgrace. It should be at the left of the screen, with real icons, with text, with progress, etc.
So I declined the "upgrade" to Abomination 11.
I can only hope they will continue to honor my choice...
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Wordle 595 3/6
⬛🟨⬛🟨⬛
⬛🟨🟩⬛🟩
🟩🟩🟩🟩🟩
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Wordle 595 4/6
⬜⬜🟨⬜🟩
🟨🟩⬜⬜🟩
🟩🟩⬜🟩🟩
🟩🟩🟩🟩🟩
"A little time, a little trouble, your better day"
Badfinger
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Wordle 595 5/6
⬜⬜🟨⬜🟨
⬜🟨🟨🟩⬜
🟨🟨⬜🟩⬜
🟩🟩🟨🟩🟨
🟩🟩🟩🟩🟩
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Wordle 595 4/6
⬛⬛⬛🟨⬛
⬛🟩⬛🟨🟩
🟩🟩⬛🟩🟩
🟩🟩🟩🟩🟩
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Wordle 595 4/6*
⬜⬜⬜⬜⬜
🟩🟩🟨🟨⬜
🟩🟩🟨🟩🟨
🟩🟩🟩🟩🟩
Unlucky guess with number 3! 
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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I'd post my result but it looks amazingly like yours. 
My eyes rolled so far back at guess 3 that they ended up facing forward.
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It did make guess number four pretty easy though ...
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
modified 4-Feb-23 11:28am.
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⬜⬜⬜🟨⬜
⬜🟨⬜🟨⬜
🟩🟩⬜🟩⬜
🟩🟩⬜🟩🟩
🟩🟩🟩🟩🟩
Life should not be a journey to the grave with the intention of arriving safely in a pretty and well-preserved body, but rather to skid in broadside in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming “Wow! What a Ride!" - Hunter S Thompson - RIP
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Wordle 595 5/6
⬜🟨🟨🟨⬜
⬜🟨🟨🟨⬜
⬜⬜⬜⬜⬜
⬜🟨⬜🟨⬜
🟩🟩🟩🟩🟩
For some reason this was a very difficult one for me 
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you had three correct letters in your first go but didn't use any of them in your third go and then only two in your fourth - strange method but the main thing is you got there 
Life should not be a journey to the grave with the intention of arriving safely in a pretty and well-preserved body, but rather to skid in broadside in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming “Wow! What a Ride!" - Hunter S Thompson - RIP
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Since I could not think of any word with those first three letters, I decided to try and get a fourth on my third and fourth try, or at least eliminate five letters.
I got the fourth letter on my fourth try and eliminated eight additional letters which helped me guess the correct word on the fifth try 
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I've done similar in the past
Life should not be a journey to the grave with the intention of arriving safely in a pretty and well-preserved body, but rather to skid in broadside in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming “Wow! What a Ride!" - Hunter S Thompson - RIP
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Wordle 595 5/6
⬛⬛⬛⬛⬛
⬛🟨⬛⬛⬛
🟨🟨🟨🟩⬛
🟩🟩🟨🟩🟨
🟩🟩🟩🟩🟩
Get me coffee and no one gets hurt!
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#Worldle #378 2/6 (100%)
🟩🟩🟨⬜⬜↙️
🟩🟩🟩🟩🟩🎉
https://worldle.teuteuf.fr
A country with some islands.
"A little time, a little trouble, your better day"
Badfinger
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Biden under investigation and so is his son.
Insert Chinese Spy Balloon.
Nothing to see here folks. Move along.
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Is it a Red balloon[^] ?
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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