The Best Vacuum Flask for Keeping Liquids Hot – Reviews 2018

megan ann blog Best Vacuum Flask for Keeping Liquids Hot

If you want to keep hot liquids hot, you need the best vacuum flask for keeping liquids hot. In searching for the most ideal vacuum flask, you need to determine which of the features you need the most. Other than keeping liquids hot, vacuum flasks can also keep liquids cold.

If you need a vacuum flask to keep your liquids hot, you will need one with a tight seal. Vacuum seals keep the heat inside the flask so the liquid stays hot for many hours. This is ideal for hot coffee and even for hot homemade soup that will stay warm until you are ready to consume them.

Vacuum flasks have evolved since the time of plastic mugs. Vacuum flasks now come in materials that are easy to clean.Hard to penetrate insulation is also a common feature of almost all of the best vacuum flasks. But of course, not all vacuum flasks come with the same top of the line features.

Top 4 best vacuum flask for keeping liquids hot

Here are some of the vacuum flask for keeping liquids hot and how they compare with each other.

1. Contigo West Loop Stainless Steel Travel Mug

The Contigo West Loop Stainless Steel Travel Mug features the Autoseal technology (self-sealing) making this vacuum flask spill and leak proof. It also features the Thermalock vacuum insulation which allows your hot liquids to remain hot for 5 to 12 hours. The same holds true for cold drinks.


This stainless steel travel mug fits most standard cup holders in cars. The lid opens wide for thorough cleaning. The lid is also dishwasher safe (top rack). The stainless steel body is for hand-washing only. 


A user says he uses this travel mug 5 times a week. It keeps her coffee hot for about 4 hours which is the longest she has tested it with. She is sure it could hold the heat even longer. It is spill proof and easy to clean.


This 100% BPA-free Contigo West Loop Stainless Steel Travel Mugcomes with a push button on the lid to allow drinking with only one hand. It promotes the push, sip, seal manner of drinking for safety. 


Check it out on Amazon or see this video:

2. Thermos Stainless King Beverage Bottle

The Thermos Stainless King Beverage Bottle is worth looking into if you want to keep your hot drink hot for 24 hours. It features the Thermos patented insulation known for its heat retention properties. The stainless steel exterior of this 40 ounce beverage bottle remains cool even when pouring hot liquids. The stainless steel interior allows maximum heat retention.


The twist and pour system of the cap allows you to pour your hot drink without the need of taking off the cap. This extremely durable beverage bottle comes with a serving cup that is also insulted.

A user says hefills this Thermos with coffee for work every day. He does not get to finish all his coffee and when he gets home, after 12 his coffee is still warm. He is extremely happy with his Thermos.

The Thermos Stainless King Beverage Bottle is easy to clean and does not retain the smell of the different beverages poured into it. This beverage bottle is also stain and rust resistant. 


Check it out on Amazon or see this video:

3. Stanley Classic Vacuum Bottle

The Stanley Classic Vacuum Bottle is well-loved by youngsters and adults because of its solid and strong construction. Even when accidentally dropped or shaken, this classic vacuum bottle will not leak or spill its contents.


This stylish vacuum bottle which is available in Hammertone Green and Hammertone black comes with superior insulation. This 1.1QTvacuum bottle is able to keep cold and hot drinks in its original temperature for up to 24 hours. 


A user says this is an excellent product and he uses it every day to keep water hot. He is proud to say that it does keep water at its proper hot temperature for long hours


The Stanley Classic Vacuum Bottle is made from rust-proof and BPA-free, safe and hygienic 18/8 stainless steel. This vacuum bottle from Stanley comes with a lifetime warranty. 


Check it out on Amazon or see this video:

4. Thermos Work Series Vacuum Insulated Beverage Bottle

The Thermos Work Series Vacuum Insulated Beverage Bottle is one of the most heavy duty Thermos models which can keep your beverage hot or cold for over 24 hours. This Thermos model comes with a collapsible handle and a stainless steel cup within the lid. The interior and exterior are of stainless steel construction.


The handle is wrapped in rubber to make the bottle slip-free. The lower and upper parts of the beverage bottle arealso wrapped in rubber to make the body more impact resistantand durable.


A user says this is a great thermos. This is his second one after beating the first one in the job site for over 4 years. It allows him to enjoy a hot cup of coffee anytime of the day.


This 40-ounce Thermos Work Series Vacuum Insulated Beverage Bottle is equipped with the Thermos vacuum insulation technology to keep hot or cold drinks in its original temperature for over 24 hours


Check it out on Amazon or see this video:

Important Features of the Best Vacuum Flasks

Thermos is not another name for vacuum flasks but a brand of vacuum flask for maintaining the temperature of its contents. The creation of Thermos (the brand) inspired glassblowers from Germany to develop the first ever commercial vacuum flask.

The brand became the generic name of this type of vacuum flasks that maintained the original temperature of hot or cold drinks because many companies started to improve the product but still called them all Thermos.

These flasks are designed to create a vacuum around the hot contents to keep heat within inside. The vacuum flask consists of a vacuum sandwiched by two flasks connected at the top.

Today Thermos vacuum flasks are made in a variety of sizes, colors and shapes.While they all have a vacuum sandwiched by two flasks to keep the inside temperature hot for hours, there are othe rfeatures you need to look for in making the best choice for the vacuum flask for keeping liquids hot.

  • Capacity. Depending on the need for the vacuum flask, you will need differently capacities.
  • Time it will keep liquids hot. This varies from just a couple of hours up to about 24 hours.
  • Food Suitability. Vacuum flasks are not just for hot liquids but for hot food as well. If intended for food, you need to choose one with a wide mouth to make it easy to load food and to eat from itas well.
  • Exterior Temperature. One of the best features of a properly working vacuum flask is the ability of its exterior to remain cool despite its hot content.
  • Ease in Pouring Liquid. Most of the best vacuum flasks for hot liquids feature an easy to twist and pour top so you can easily serve or drink from the flask without having to take off the top and risk spilling the hot liquid.
  • Aesthetic Appeal. Choose from among the many that is available for the look that suits your style, preference and need.
  • Accessories. There are simple vacuum flasks and there are also those that come with extra accessories such as a tea hook, a long spoon or a stainless steel cup to make them more attractive.
  • Warranty. As expected with products that can be used for a long time, a long warranty period is a great deal. The best vacuum flaskfor keeping liquids hot comes with a warranty of up to 50 years.

A good quality vacuum flask for hot liquids should have superior insulation to keep your drink in its original temperature for long hours. It should also be durable enough for long years of use. More importantly, it should come with features to provide you with the freedom and flexibility to suit your lifestyle.

The Contigo West Loop Stainless Steel Travel Mugsuits these criteria down to the last detail. This vacuum flask is equipped with the Thermalock vacuum insulation to make hot liquids remain hot for up to 12. Its unique top comes with the Autoseal technology that automatically seals the top when button is released after taking a sip to prevent spills and leaks. 

This vacuum flask is available in 16 different colors including polar white and black.

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About the Author

I’m Megan Ann, mama to 2 and wife to James F. Core. I love meeting new people and hearing their stories. In this blog, I try to write useful and informative articles to help you as much as I can with my knowledge.

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