Capacity
Material
 
Best Overall
1
Thermos Stainless King™ Flask 1.2L Review
Thermos Stainless King Flask
Capacity
1.2 Liters
Material
Stainless Steel
Runner Up
2
Hydro Flask Coffee Travel Mug Review
Hydro Flask Coffee Travel Mug
Capacity
12, 16 and 20 Oz
Material
Steel
Alternative
3
Stanley Classic Legendary Vacuum Insulated Bottle Review
Stanley Classic Legendary Vacuum Insulated Bottle
Capacity
1 Liters
Material
Stainless Steel
Alternative
4
Thermos Stainless King Travel Mug Review
Thermos Stainless King Travel Mug
Capacity
16 Ounce
Material
Stainless Steel
Alternative
5
Contigo West Loop Travel Mug Review
Contigo West Loop Travel Mug
Capacity
20 Ounces
Material
Stainless steel

If you’re a coffee-lover like us, you probably need your caffeine fix everywhere you go.

But a true coffee connoisseur doesn’t like their hot coffee cold or cold coffee turn lukewarm.

To truly savor the freshness and aromas of coffee, you need to drink it at the right temperature to avoid any stale bitterness.

Enter the coffee thermos. Coffee thermos is a handy tool that you can conveniently carry around in your backpack or car so that you can indulge in your favorite beverage anytime anywhere!

But as you probably know already, getting any coffee thermos won’t work. You need to have the best hot thermos for coffee by your side that offers durability, convenience, and quality, all in one.

Here we list the top 5 coffee thermos that you can consider if you’re out to buy one.

Best Coffee Thermos List

1

Thermos Stainless King™ Flask 1.2L

Best Overall
Thermos Stainless King™ Flask 1.2L Review

This sleek, stylish thermos is not only pleasing to the eye but promises superior quality, making it probably the best travel coffee thermos available on the market.

The Thermos Stainless King flask is leak-proof, so you can keep your coffee safe without spillage while traveling. It’s a coffee thermos large enough for your entire family. You can enjoy a picnic or a family outing with more than enough coffee to go around.

The flask’s interior and exterior are made of durable stainless steel. And it has thermos vacuum insulation technology that enables maximum temperature retention. So, whether you pour hot or cold coffee in this flask, you can rest assured your coffee will remain at that temperature for up to 24 hours.

The flask also remains cool to the touch when you pour hot liquids and stays sweat-proof with cold liquids, making it easy to carry around.

It has a foldaway handle that allows you to easily carry and pour from it. However, despite its handle, its large body may make it heavy and difficult for you to carry around in your hand for a long time, especially when filled to capacity. The flask features a “Twist and Pour” plastic stopper that lets you pour coffee without removing the stopper.

Available in a range of stunning colors, you can be sure to find one you’ll love.

Featured Specs

Capacity1.2 liters
MaterialStainless steel and BPA-free plastic
Weight0.67 kg
9.8Expert Score
Buying advice
Pros
  • Leak-proof
  • Large enough for your entire family
  • Maximum temperature retention
  • Foldaway handle allows easy transportation
  • Made of durable stainless steel
  • Includes an insulated stainless steel serving mug
  • 5-year guarantee
Cons
  • Can’t store carbonated drinks or dry ice
  • Large, heavy body
  • Need to wash manually and not in a dishwasher
  • 5-year warranty only applicable for vacuum insulation
Important information
Before first use, wash all parts with warm, soapy water. Rinse and allow time to dry.
Don’t leave contents in it for over 24 hours. Wash the flask after use as soon as possible.
Don’t use harsh cleaners containing chlorine or bleach and abrasive scrubbers as they may dull the finish.
Safety Information
Don’t microwave, heat, or overfill the container.
Keep out of the reach of children, especially when hot liquids are stored in it.
2

Hydro Flask Coffee Travel Mug

Runner Up
Hydro Flask Coffee Travel Mug Review

Boasting stellar features and available in a range of sizes, this travel mug may be the best coffee thermos mug you can probably find.

The Hydro Flask is made with a unique TempShield double-wall vacuum insulation technology that keeps cold drinks cold and hot beverages hot for hours. Although it’s not as suitable for piping hot drinks as it keeps them hot only for about 6 to 12 hours.

Its Flex Sip Lid and Smooth Flow Opening make it easy to sip hot and cold drinks. The wide opening and the easy-to-disassemble lid also make it easier to add ice to your drink and clean it thoroughly.

The mug comes in three sizes of 12 ounces, 16 ounces, and 20 ounces, allowing you to choose from different capacities that suit your needs. The 12 oz mug is compact enough to fit under most coffee machines. The small coffee thermos mug is also lightweight and handy enough to carry around. You can use it either as a thermos water bottle or as a thermos mug.

The Hydro Flask is made with durable and non-porous 18/8 pro-grade stainless steel that ensures that it doesn’t retain the flavor of the liquids poured in it and lasts for many years. It also doesn’t transfer the flavor of its material to its contents, so your coffee won’t have a metallic taste. Its non-porous body also makes it less prone to residual bacteria build-up.

It is leak-proof, making it perfect for traveling, and comes with a Flex Strap that makes it convenient to carry around. It is also dishwasher-safe. The Color Last Powder Coat protects the color of the mug when it’s washed in the dishwasher. The mug comes in a range of 15 cool colors for you to choose from.

Featured Specs

Capacity12 ounces, 16 ounces, 20 ounces
Material18/8 pro-grade stainless steel
Weight10.2 ounces, 11.8 ounces, 13.2 ounces
9.2Expert Score
Buying advice
Pros
  • Keeps cold drinks cold and hot beverages hot for hours
  • Made with durable and non-porous 18/8 pro-grade stainless steel
  • Easy to clean and dishwasher-safe
  • Leak-proof and easy to carry around
  • Reusable
  • Free from BPA and phthalate
  • Lifetime warranty against manufacturer defects
Cons
  • Not as great for piping hot drinks as for cold drinks
  • You cannot fill mug to the brim as it can create vacuum
  • Doesn’t vent as well as other coffee travel mugs
  • You can’t use it to store soda.
Important information
Safety Information
The US labels this product according to standards, and its ingredients, labeling, and allergen warnings may differ from similar products sold elsewhere.
Legal disclaimer
The FDA has not evaluated dietary supplement statements, and they cannot detect, treat, or prevent any disease or health condition.
3

Stanley Classic Legendary Vacuum Insulated Bottle

Alternative
Stanley Classic Legendary Vacuum Insulated Bottle Review

If you need a large thermos for coffee while traveling or going to the office, this insulated bottle is just right for you. The Stanley Classic bottle is made with superior double-wall vacuum insulation, making it the best thermos for keeping coffee hot for around 45 hours and cold beverages cold for about 48 hours.

It is made from BPA-free materials that keep the contents safe for consumption. Its 18/8 stainless steel construction also makes it rust-proof, durable, and suitable for diverse environments, allowing it to last numerous years.

Its sturdy design and leak-proof lid allow you to simply toss the thermos into your vehicle or bag when you’re traveling without worrying about spills. The multi-purpose, insulated lid also doubles up as an eight-ounce cup.

The thermos is big enough for you to fill it up with your favorite beverage and enjoy it at the same temperature for up to 2 days. However, this big coffee thermos can get heavy when filled to the brim, making it inconvenient for you to travel long distances with it. It comes in different sizes so that you can choose one that fits your needs.

Featured Specs

Capacity1.1 quarts, 2 quarts
Material18/8 stainless steel
Weight:0.2 kg
8.7Expert Score
Buying advice
Pros
  • Made from BPA-free materials
  • Rust-proof and durable
  • Sturdy design, leak-proof, insulated lid
  • Can use lid as an eight-ounce cup
  • Collapsible handle for easy transportation
  • Dishwasher-safe
  • Lifetime warranty
Cons
  • Can get heavy when filled to the brim
  • Can’t use it one-handed
  • No handle for small size
  • Does not have too many color options
Important information
Safety Information
The US labels this product according to standards, and its ingredients, labeling, and allergen warnings may differ from similar products sold elsewhere.
Legal disclaimer
The FDA has not evaluated dietary supplement statements, and they cannot detect, treat, or prevent any disease or health condition.
4

Thermos Stainless King Travel Mug

Alternative
Thermos Stainless King Travel Mug Review

Another great product from the Thermos Stainless King™ Series, this insulated tumbler is the best coffee thermos to take along for a day at the office or a short hiking trip. The tumbler has a heavy-duty stainless steel construction with a heat-proof and sweat-proof exterior, ensuring durability and convenience.

It is compact and has a sturdy grip, so you can fit it into your backpack’s water bottle holder or vehicle or even carry it around in your hand without feeling its weight. However, it does not fit into all car cup holders. It can also only be used for a single serving. So, if you’re looking for a bigger thermos, this product may not be for you.

The tumbler features a DrinkLock™ sealing lid that ensures a tight, leak-proof seal. But the lid, when sealed tight, can be tough to unscrew and not as easy to clean. Apart from that, the tumbler also has double-wall vacuum insulation that keeps beverages hot for up to 7 hours and cold for 18 hours.

Although it is not suitable to use for more than half a day as the temperature of its contents changes after 7-18 hours. It is also not as good for hot drinks as it is for cold drinks. Moreover, the tumbler disassembles quickly and is dishwasher-safe. You can put it on the top rack of your dishwasher for easy cleaning.

Featured Specs

Capacity16 ounces
MaterialStainless steel, BPA-free plastic
Weight0.5 pounds
8.7Expert Score
Buying advice
Pros
  • Heavy-duty stainless steel construction
  • Compact and stylish design
  • Heat-proof and sweat-proof exterior
  • Tight, leak-proof lid
  • Built-in tea hook to hold tea bags and loose-leaf infusers
  • Easy-to-clean cap design and dishwasher-safe
  • 5-year limited warranty
Cons
  • Not suitable to be used for more than half a day
  • Not as good for hot drinks as it is for cold drinks
  • Does not fit into all car cup holders
  • Must be held in an upright position to prevent leakage
Important information
Before first use, and after every use, wash and rinse all parts with warm, soapy water and allow time to dry.
Don’t leave contents in the container for more than 24 hours.
Don’t use harsh or abrasive cleaners and scrubbers as they may dull the finish.
Although this product is top-rack dishwasher-safe, washing by hand is recommended as dishwashers use harsh detergents and hot water that may change the appearance of the tumbler.
Safety Information
Don’t microwave, heat, freeze, or overfill the product.
Keep out of the reach of children, especially when it contains hot liquids.
Legal disclaimer
The FDA has not evaluated dietary supplement statements, and they cannot detect, treat, or prevent any disease or health condition.
5

Contigo West Loop Travel Mug

Alternative
Contigo West Loop Travel Mug Review

The Contigo West Loop Travel Mug provides complete comfort and convenience, making it a must-have on your kitchen countertop or office desk. It has a patented Autoseal Technology™ that makes the mug 100% spill-proof and leak-proof for those on the go.

It has a button lock that adds a layer of extra security while you’re traveling. You need to simply push the button to drink from it and release the button to seal it. It is large enough for a commute or half a day’s outing and yet compact enough to fit under coffee brewers as well as in most car cup holders. However, its body can be a little too wide for those with small hands.

This mug’s Thermalock™ Vacuum Insulation technology keeps drinks hot for up to 5 hours and cold for up to 12 hours. However, you can’t use it for more than half a day, or the drinks lose their original temperature.

It has a one-piece lid, so you don’t have to worry about misplacing any loose parts. The lid is also top-rack dishwasher-safe, making it easy to clean.

Featured Specs

Capacity20 ounces
MaterialStainless steel
Weight0.37 pounds
8.7Expert Score
Buying advice
Pros
  • Keeps drinks hot for up to 5 hours and cold for up to 12 hours
  • Spill-proof and leak-proof
  • Sturdy and durable stainless steel body
  • Sleek, iconic design
  • Comes in a wide range of colors
  • Can use it one-handed
Cons
  • Can’t wash painted body in dishwasher
  • No handle for easy carrying
  • Not as good for hot beverages as it is for cold
  • Fragile plastic lid
Important information
Safety Information
Hot contents may result in the discharge of hot vapor. Open the travel mug away from the body to release pressure.
If boiling liquids are poured into it, allow it to cool down for about 3 minutes before sealing the lid.
Keep out of reach of children, particularly when hot beverages are poured in it.
Don’t overfill, microwave, or freeze.
Don’t use harsh cleaners that contain chlorine, bleach, or other abrasive chemicals.
Legal disclaimer
The FDA has not evaluated dietary supplement statements, and they cannot detect, treat, or prevent any disease or health condition.

Coffee Thermos FAQ

This list must have given you a better idea about the best thermos for coffee available on the market.

But let us help you out some more by answering some of the most popular questions people have while buying a thermos flask.

What should I look for in a thermos flask?

what to look for in thermos flask

When buying a thermos flask, there are a few things that you need to consider:

#1. Insulation

This is the first feature you would ideally look for in a good thermos flask. Look for one with double-walled vacuum insulation that would provide insulation for several hours to maintain the temperature of its contents.

If you’re traveling nearby or need the flask for only a few hours, a flask with moderate insulation of 5 to 12 hours should be good enough. But if you’re traveling for a longer distance or need your coffee to be hot or cold for many hours, you may need one that retains its temperature for 12 to 48 hours.

#2. Capacity

The capacity of the thermos flask matters because it limits how much liquid you can carry with you. If you are traveling with family or for more than just a few hours, you will need a flask with a greater capacity of 1 to 2 liters, for example, so that you don’t run out of your drink while you’re on the move. If you’re traveling alone or just need the flask for your daily commute to the office or a brunch with friends, you may do well with a smaller flask of less than a liter.

#3. Lid

You need to have a thermos flask with a leak-proof, spill-proof lid so that you don’t run the risk of ruining your belongings. The lid should also preferably double as a serving or drinking cup for added convenience, so you can drink straight from it on the go and not have to carry an extra cup or mug.

#4. Material

materials for thermos

The material of the thermos flask should be BPA-free and phthalate-free. This will prevent harmful chemicals from seeping into your drink. The material should preferably be stainless steel to provide the flask with greater durability and sturdiness.

#5. Handle

A thermos flask should have a handle so that you can carry it around even in your hand. While a handle may not be needed for smaller flasks that have an easy grip, a larger flask will need a handle for convenience during transportation.

#6. Cost

The thermos flask should be affordably priced, not burning a hole in your wallet. Although some high-quality flasks are pricier, they may be with investing in as they last longer and provide superior performance in terms of insulation and durability. Check out different customer reviews before finalizing on a flask.

#7. Warranty

Nowadays, many good thermos flasks come with a limited warranty of 5 to 10 years that protects you against manufacturing defects such as poor vacuum insulation. A flask is a solid investment. So if you don’t want your hard-earned money going to waste, choose a flask that has a warranty of at least 5 years.

Why is thermos a good insulator?

A thermos contains a double-walled container inside it. When it is being constructed, the air between the walls is sucked out to create a vacuum. Heat needs air to escape or enter a container, and to prevent it from doing so, you need thermal insulation.

A vacuum has no air and is thus the best insulator possible. It prevents heat from escaping or entering the container, allowing the thermos to keep hot drinks hot and cold drinks cold.

What is the difference between a flask and a thermos?

flask and thermos

It’s easy to mistakenly confuse a flask with a thermos since they are quite similar.

A flask is a metal or glass container with a narrow neck that is used to carry something in it.

On the other hand, a thermos is an insulated vacuum container, usually in the form of a flask or a bottle, that provides thermal insulation and protects the temperature of its contents.

What are good insulators for thermos?

Thermos uses vacuum insulation by creating a vacuum between the 2 walls of its inner container, thereby preventing heat transfer from the exterior to the interior. This maintains the temperature of the contents inside it.

It may also provide foam insulation by using foam as an insulator. Air cannot move through the foam, so heat transfer cannot happen from the outside to the inside.

Most thermoses use stainless steel to provide vacuum insulation and retain the temperature of the liquids inside. It is a durable, strong, corrosion-resistant, and non-absorbent material that is safe for humans.

Conclusion

You don’t always have to make a trip to the cafe to enjoy a steaming cup of coffee. A good coffee thermos can help you enjoy fresh coffee while you’re on the move without it losing its temperature or flavor.

Coffee thermoses have evolved over the years to provide better insulation, without the flavor of the thermos material transferring into the beverage or the coffee’s taste and color seeping into the flask.

Given the wide range of options you can choose from, choosing just one can be quite a task. We hope our list helps you make up your mind on which coffee thermos you should go for so that you can enjoy your favorite coffee on the go.

Resources

Last Updated on March 29, 2022 by Ashok Parmar

My name is Ashok Parmar, and for seven years, I worked as a warehouse manager that strictly dealt with coffee shops all around the United States.

Leave A Reply