My mother had a green Stanley thermos that would keep coffee hot all day. I had one and within a couple of hours, the coffee was like warm at best. Is there a thermos that I can count on to keep coffee hot for a few hours?
Recommend a thermos
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I've had a stainless steel Thermos brand thermos that still keeps coffee hot for hours and hours at a time. No way it is lukewarm after a couple of hours. I'd look for the same brand and style again if this one were lost. $25 (10-12 years ago), plain silver color with black plastic up. It has a couple of dents, but still works as well as it did new. Something like this: https://www.walmart.com/ip/Thermos-Stainless-Steel-Beverage-Bottle-14-oz./14234948 it is same size (40 oz) but it is silver, not blue. There is a black plastic screw-in lid, that still works well; and the cup is plastic, not metal as in the picture.
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This is the closest thing I can find to the one I have had for many years. Its good.
https://www.amazon.com/dp/B01DZQT3IU/ref=twister_B01MZ30CRW?_encoding=UTF8&psc=1
https://www.amazon.com/dp/B01DZQT3IU/ref=twister_B01MZ30CRW?_encoding=UTF8&psc=1
How big do you need it?
The 25 oz version of this one claims it keeps it hot for 18 hours:
http://a.co/bc9YUDh
The 32 oz version - 24 hours:
http://a.co/5D3RlmY
Then there are the bigger 40 oz versions that were mentioned earlier.
The 25 oz version of this one claims it keeps it hot for 18 hours:
http://a.co/bc9YUDh
The 32 oz version - 24 hours:
http://a.co/5D3RlmY
Then there are the bigger 40 oz versions that were mentioned earlier.
Its not a thermos, but if you want to keep coffee hot buy a Hydroflask.
Research it. Hot all day.
Research it. Hot all day.
Hydroflask, Yeti, RTIC all make excellent vacuum insulated bottles. Thermos makes two or three levels of bottle, uninsulated, double wall, and vacuum insulated. What you want is a vacuum insulated bottle, others just don't work well at all. Even a vacuum insulated cup with a lid on it will keep coffee at a good drinkable temp for 5-6 hours, not steaming hot but hot enough.
We use a Nissan stainless steel thermos to bring hot water to the ski lodge for drinks at lunch. The next morning, the water is still steaming hot after a full day. It wasn't cheap, but I would certainly buy another if needed. We have the 32 ounce model. It definitely keeps the water hotter than the Thermos model that we used previously.
I have an Ozark trail, walmart version of a Yeti. I don't put hot stuff in it, but it does work great for cold. I bought a couple of them for my coworkers for the holidays and they say they do great with their coffee and keep it on the hot side for at least 3/4 of the work day. If they drink that slow.
It doesn't have to be too large. Enough for a couple of cups of coffee. I have coffee available at work. However, I need to cut back on caffeine. I use half-cafe at home so I hope to bring my own to work to get me through mid-day.
Unrelated.... but.. am I the only one who though of this?
I've been happy with my Klean Kanteen insulated coffee tumbler, I picked it up at Whole Foods for a princely sum but I needed something I can reuse(and get a small discount on coffee). I haven't tried hot stuff in my Hydro Flask but I might this weekend.
https://www.kleankanteen.com/collections...ant=19738467270
https://www.kleankanteen.com/collections...ant=19738467270
Thermos makes a good thermos.
To keep coffee hot longer, pre-fill the thermos with hot water, let sit for a few minutes, then dump and fill with coffee and close the lid. That'll help!
Reminds me of a joke. It seems the thermos has been nominated for one of the greatest inventions ever. It can keep things hot. It can keep things cold. How does it know?
Originally Posted By: NormanBuntz
Reminds me of a joke. It seems the thermos has been nominated for one of the greatest inventions ever. It can keep things hot. It can keep things cold. How does it know?
It doesn't have to since it is doing both at the same time
Reminds me of a joke. It seems the thermos has been nominated for one of the greatest inventions ever. It can keep things hot. It can keep things cold. How does it know?
It doesn't have to since it is doing both at the same time
First off make sure it's a vacuum flask, not one with "super insulation" or some other thing. Secondly if you can be somewhat careful with it the glass ones are better than the stainless steel in terms of low thermal conductivity. And like was mentioned if you can preheat the flask with boiling water that will make it stay hot longer. That is more effective with the stainless steel ones.
Skip any of those see-through ones as they don't restrict radiative heat transfer like a silvered wall will.
Skip any of those see-through ones as they don't restrict radiative heat transfer like a silvered wall will.
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