Fed thermostat guidelines: Coolest 78 degrees daytime when home.
85 when away. 82 when sleeping (!?).
Actually, these seem to be pretty standard for NYC, Florida, and we want to do our part to reduce our footprint, but...
We've actually done 78-79 inside for ages here in soupy Georgia. It works fine even with my heat sensitivity and allows us to keep the windows open a large part of mornings and evenings, but we also supplement whenever needed with ceiling fans in almost every room. 85 when gone is fine, if we leave it on.
But 82 when sleeping?! The very thought was an unpleasant surprise. How does this work for others? We do light sheet over skin, fan and open windows whenever possible, and if that turns out to be 82ish, the heat wakes me up.
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that came up with these guidelines. Just learned the Energy Star (as in appliances also) still active via, presumably, a request to news stations to remind people of these temperature guidelines.
Apparently in NYC De Blasio ordered high rises over 100 feet to set their thermostats at 78 degrees during the NE's heat emergency, and that struck a lot of people as "nuts."
The other day I was looking wistfully at a woman sunning in the high 80s by a pool; the days when that wouldn't risk hospitalization, much less feel good, are long past.
I can't do 78 in GA's humidity and be active, but right now it is 78 inside at noon and I can last a bit longer with windows and fan as long as I'm just vegging with the computer. The songbirds have gone mostly quiet in the heat of the day anyway.
I hope never to need 67, but if that's the case, like you that'll just have to be the way it is. 
and his prostate have gotten older we've brought it up to about 65-66. I get up when it's still dark and am fine leaving it there until the morning sun warms the house. Love my winter sweats. 
And yes, it is true that there are about 8 million of us here in the greater Phoenix area, and if electricity went away it would become a ghost town.
And yes, if it weren't for HVAC global warming would have been addressed much sooner.
Believe me, I would LOVE to not live here, I've always hated it here, but every time I tried to move away, it didn't work out.
Southern Illinois summers get pretty hot. We have 150 yr old farmhouse with no AC. People are spoiled for the most part and can adjust. Somehow they did so for centuries. If its too hot in the afternoon we swim in the pond and sleep with a fan. 
Sealed homes that supposedly conserve energy have their own problems. Most are not built to have cross breezes, and enough trees to provide life-protecting shade are rare. More working people than not in hot-summer areas tend to decide to skip the raking before it starts and depend wholly on AC to cool the sun-baked ovens they call home. But if electricity went down and stayed down, many of them would become unlivable.
Btw, most people in the Middle East now live in electrified towns and cities, and many millions also work in air-conditioned environments during the day.
But it sounds like you're not going to report sleeping just fine at 82 degrees.
half of our very elderly 72-foot-long" snowbird" mobile home in FL. We have a big sun room overlooking the marsh at the other end for early and late that we don't try to keep cool, but the little sitting room is always shaded under the oak and can be cooled or heated in under 10 minutes. And when hurricanes come we're out of there!
Of course, if worst happened, we'd hire someone to hitch up the wreckage and haul it out, then bring in one of the oldies from MH parks that people are always trying to unload for practically nothing. The biggest loss would be the tree. Slightly different situation from yours. 
claimed scientific support for sleeping in cool environments and ones that spoke of optimal sleep temps ranging between about 79-82. Those latter seemed to be part of conditions that facilitated a gentle natural dropping of body temp heading into the first part of sleep followed by a gentle rise.
I feel sure that seemingly ridiculous 82 setting no one so far claims to use has some basis and didn't come out of nowhere, but is its only foundation data from sleep studies in labs? Consumer Reports apparently republished these recommendations recently, but I'm waiting to see actual people say it works well for them. So far Blugbox comes closest, "Eh, works for me."
cozy when damp cold winds are blowing in January?
when so many are set in the 60s and low 70s are typical. The recommendations do suggest fans to supplement. Here in the south we put them in every room but the bathrooms and the center hall/library/dining room area crisscrossed by traffic all day long. LRM has two, stairwell a powerhouse that sucks up or pushes down depending on which way we want to move that air.
Lots of good information, at140. I wish we'd put in tankless water heaters, but they were newish and pretty expensive at that time. That's changed. First time our tank goes out, we'll dig into our pockets and convert.
Love those wonderful LEDs. I remember back in the Obama days when reactionaries on a decorating forum defiantly said they were laying in big stocks of the old light bulbs rather than giving them up. Bet a bunch of them have boxes gathering dust in their garages.
Amaf, back in 2017 he tried to cancel the entire EPA/DOE Energy Star program that developed these guidelines but seems to have failed at that also. Though no doubt he did real harm. It seems to be an EPA program now, but do they even have a budget any more? Pretty sure there must be a clerk left because someone apparently asked media to remind people of this (a few did and that's how I came to do my 82! WT-- reaction).
-23 makes 82 degrees -- without pulling up the $450 decorative, dry-clean-only comforter -- sound very inviting.
(I only know that because I had a doctor appointment.) But that's way too hot for me. Chicago gets very humid in the summer and this year has been mostly hot. The air needs to move and the air dried. And it's much worse in the southern states than it is here.
These guidelines are just stupid. Thankfully, we can ignore them until they get the heat police.
them because they were popular in many areas, but many traditionally-minded still resisted. They're very time-honored in the south of course and have been in fine homes as long as electricity.
Regarding winter, for a while we went down into the 50s at night and really enjoyed burrowing under covers, but prostate issues created and put an end to excessive shivering out of them. Our "en suite" is in an attic that's a straight 40+ foot shot from his side of the bed to the water closet--which has a door for privacy and window to admire the view during. 
We tried 60 for a couple years, and now it's @ 65-66.
Daytime, we have a long side to the east and let the sun heat it up from that start. No sun, we use the wood furnace or dial up the thermostat. Seriously, my too-low temp for winter creates cold hands. Above that break point, cozy winter wear that keeps us perfectly warm and comfy in the 60s is one of the pleasures of the season. Barring babies visiting, we just have no reason to crank it up and pull out summer lounge wear.
preferably but not necessarily programmable, Obamanut. Humidity is removed by standard systems. Shall we assume you don't do 82 at night anyway?
