Review of 6 types of the best thermal pots

Thermopot is a modern household appliance, which is a symbiosis of an electric kettle and a thermos.

The key difference between a thermo pot and a thermos is that maintaining a high temperature of the liquid is achieved not due to the thermal insulation of the device, but due to the heating element.

The main advantages of a thermopot compared to a traditional electric kettle are energy savings, a large volume of liquid, and safety. Disadvantages – the dimensions of the device, the cost of more time to bring the liquid to a boil.

Device and principle of operation

The main structural elements of thermopot:

frame;
flask for liquid;
heating elements;
pump for water supply;
thermostat.

Advanced models are equipped with sound and light alarms, coarse filters.

Principle of operation:

Water is poured into the flask.
After turning on the device, the integrated heating element brings the liquid to a boil.
The second heating element maintains the water temperature at a given level.

Thermo pots are equipped with an electronic system that controls the temperature of the liquid inside the flask.

When the water cools, the device automatically brings the liquid to a boil or heats it up to a temperature corresponding to the set program.

Purpose and functions

The main purpose of the device:

boiling water preparation;
keeping the liquid hot;
preservation of the physiological value and useful qualities of drinking water.

The household electrical appliance combines the functions of an electric kettle, a cooler and a thermos. Thermopot provides a constant supply of hot water.

The thermo pot is used:

for the preparation of infant formula;
for brewing tea;
for the preparation of instant drinks.

The scope of the thermo pot is not limited exclusively to domestic life, the device is widely used in office buildings, in fast food establishments.

The device for heating water is rational to use in regions with frequent power outages, in families with small children.

How to choose a thermopot

When choosing a device for heating a liquid, you should pay attention to the following points:

body strength;
stability of the device;
cover tightness;
the jet when pouring liquid should be even, hot water should not be splashed on the sides.

Key parameters:

Power consumption

The average energy consumption of household appliances in heating mode varies in the range of 600-3000 W / h. Models of thermopots with a maximum level of energy consumption are rare.

More widespread are appliances with an energy consumption of 600 to 850 W / h, the time spent on preparing boiling water is from 15 minutes to half an hour.

The power of the device in the mode of maintaining the temperature of the liquid, depending on the model, ranges from 13 to 70 watts.

Temperature conditions

In thermo pots, two methods are used to maintain the temperature of the liquid:

reactivation of the boiling mode when the water cools to the set temperatures;
maintaining the water temperature at a certain level for 5-6 hours.

In some models with a reboiling mode, the signal for switching on is the cooling of the liquid to a value of 60-85⁰advanced models allow you to independently set the temperature regime.

Most models on the electrical market provide from four to six temperature modes.

The most requested temperatures:

70⁰ – for the preparation of infant formula;
80⁰ – for brewing Japanese tea;
90⁰ – preparation of green tea;
98⁰ – brewing coffee, tea, noodles and instant cereals.

A heating element

In most models of thermopots, two heating components are installed, one of them serves to boil water, the other to maintain the temperature.

Combined models are also presented on the household appliances market, in which one heating element is used, which has two functions at once.

There are three types of heater used in thermopot designs:

open – a spiral heating element located inside the flask;
closed – spiral heating element, completely hidden in the body;
disk – electrical contacts are connected directly.

The second option is more preferable, since such a model is more practical to maintain, and the heating element is protected from scale formation.

Flask volume

The volume of the inner flask of thermo pots is from 2.5 to 7 liters. For a family of three, it is worth choosing a device with a capacity of 2.5-3 liters. For a large family, a thermal pot with a flask volume of 4-7 liters will be an ideal option.

When choosing a device, consider the following factors:

the actual volumes of the flask are somewhat less than the parameters declared by the manufacturer;
in thermopots with a large volume of the flask, the liquid cools down more slowly, thereby the heating mode is switched on less often, energy savings increase.

When choosing a model, it is important to take into account such an indicator as the minimum amount of water for the operation of the device. The minimum liquid level for some models is from 200 to 400 ml, for others – at least one and a half liters.

The liquid level scale must be clear and easy to read.

The thermopot flask can be made of heat-resistant glass or stainless steel. The advantage of a metal container is the strength of the material, the disadvantage is the tendency to form scratches on the surface.

Glass is an environmentally friendly, but fragile material, the advantages of a glass bulb:

absence of foreign taste and smell;
scratch resistance.

Security

Safety functions help protect the device from premature failure:

overheat protection;
blocking accidental activation of the pump;
automatic shutdown when liquid boils;
the impossibility of pouring water during the boiling process.

Secondary Criteria:

Body shape and material

The traditional shape of the thermo pot body is cylindrical or rectangular, and models with a concavity of the body under the pouring nozzle are also presented on the home appliance market. The body of the device is often equipped with a special handle that simplifies the carrying of the device.

The body of the thermopot can be made of materials such as:

glass;
metal;
plastic;
ceramics.

The advantages of the plastic case include low cost, resistance to deformation and heat. The metal case is characterized by durability, however, during the operation of the household appliance, the metal case may heat up.

Glass and ceramic thermopots have an attractive appearance, the disadvantages include the high cost and fragility of materials.

The shape and material of the case do not have fundamental importance, the choice depends on the personal preferences and financial capabilities of the buyer.

Liquid supply method

The method of water supply depends on the type of pump. Pump types:

manual;
electric.

To supply boiling water in thermo pots with a mechanical pump, you must press the button several times. Manual control mode allows you to pour water even during a power outage.

The electric pump delivers liquid after a single key press.

There are models of thermopots equipped with two types of booster pumps at once – both electric and mechanical.
Additional functions:

The presence of additional functions increases the versatility of the electrical appliance, but at the same time affects the cost of the thermopot. A good addition to the functionality of the device are:

the presence of a built-in timer;
delayed start function;
self-cleaning function;
display;
backlight;
rotation of the device around the axis by 360⁰;
a sound signal after the execution of a given program;
multilevel protection system.

What should be a good thermopot

The best thermopot is a device with good build quality, with an intuitive type of control, several degrees of protection and at least two thermostats.

Specifications