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Comparison HotFrost D65EN vs HotFrost V118R

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HotFrost D65EN
HotFrost V118R
HotFrost D65ENHotFrost V118R
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from $58.43 up to $62.64
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Installationdesktopfloor
Water loadingtoptop
Features
Water temperature
hot
cold
 
 
 
ambient
Cooling typethermoelectric (Peltier)
Cold water tank volume0.6 L
Hot water tank volume1 L
Cooling performance
0.6 L/h /10 – 15 °C/
Heating performance
4 L/h /87 –90 °C/
Heating power420 W
Cooling power80 W
More specs
Water supply controlcup pressurelevers
Cup holder
Dimensions (WxDxH)27.3х41.1х30 cm29x30x85 cm
Weight4 kg3.8 kg
Color
Added to E-Catalogjanuary 2018november 2016

Installation

The type determines how the device is installed.

Floor. The advantage of this option is independence from furniture and other additional supports — a relatively flat area is enough for installation. However, floor coolers and purifiers are quite heavy and large. Nevertheless, the latter concerns primarily height, and the width and depth of such devices are small. It means that the cooler does not need much space on the floor, and it can be installed even in rather cramped conditions. But the unequivocal disadvantages of this option are a rather significant cost and instability of design. Models with a lower water loading are deprived of this drawback but they are extremely rare.

Countertop. Models mounted on a table or other similar surfaces. This option is designed mainly for situations where there is no room for a floor cooler in the room (or it would have to be installed in an inconvenient place). Countertop devices are lighter, more compact, and often cheaper than floor-standing ones but they may be inferior to them in some functions, especially additional ones — for example, in such a device there may simply not be room for a locker. It is also worth considering that most countertop coolers (not purifiers) use top-loading water, and there must be enough space above the device to install a bottle — this complicates installation under kitchen cabinets, shelves and other hanging...furniture.

— Embedded. Models built directly into kitchen furniture. Such devices take up a minimum of space and they look neat and modern. On the other hand, embedding itself is a rather troublesome and time-consuming process, and it is difficult to provide a place for a bottle in such devices, so in most cases, they work from a mains fed (see "Water loading"). In addition, space in kitchen furniture is often needed for other, more important appliances (ovens, dishwashers, etc.); and to have enough space for a purifier, a fairly spacious kitchen is required. Because of this, such models are extremely rare today.

Water temperature

Varieties of water types that the device can produce. Most models have several options for different situations.

Hot. Water is heated to a high temperature — usually about 90 – 95 °C. This temperature is considered optimal for brewing most types of tea, and for instant drinks and other products (for example, instant soups), it is more than enough. However water from the cooler is not suitable for ground coffee — effective brewing of such a drink occurs at higher temperatures, about 100 °C. On the other hand, there are specialized household appliances for brewed coffee.

Cold. Water cooled to a temperature noticeably lower than room temperature — about 8 – 10 °C, and sometimes even lower. Such water can be useful for diluting other drinks (juices, tea, etc.) and lowering their temperature, as well as an independent drink in hot weather.

Ambient. In this case, it usually means the supply of water directly, without any cooling or heating. Thus, the temperature of the water at the outlet will be the same as in the bottle or water pipe. In addition to the fact that this option allows you to save energy, it often turns out to be convenient from a purely practical point of view — for example, it is more comfortable for many people to drink clean water not chilled, namely at room temperature, and for preparing some instant drinks, diluting med...icines, etc. this is the best option. Note that some models may provide the ability of heating or cooling the incoming water to ambient temperature if its initial temperature is very different from this indicator.

Cooling type

The type of cooling provided in the design of the device with the possibility of supplying cold water (see above).

— Compressor. Such cooling systems are similar in principle to refrigerators: they use a closed circuit with a refrigerant (usually freon) and a compressor to circulate the refrigerant. The circuit consists of an evaporator, a radiator and connecting pipes. This system works as follows: freon, evaporating, takes heat from the walls of the evaporator and the water in contact with them, cooling it; then it enters the radiator, condenses and gives off excess heat, which is quickly dissipated in the surrounding air due to the special design of the radiator. Compressor systems are somewhat more complex and expensive than electronic ( thermoelectric) systems. Intricate repairs with refrigerant replacement may be required if the circuit is damaged. On the other hand, such cooling has high efficiency and productivity; and it is practically independent of the ambient temperature: in hot weather, energy consumption may increase slightly, but the outlet water temperature will remain unchanged. Note that the compressor allows you to add a real refrigerator to the device (see "Locker").

— Thermoelectric (Peltier). In this case, electronic cooling systems are built on Peltier elements — a special kind of converters that look like plates. When current is passed through such a converter,...one side of the plate is cooled, and the other side is heated. Usually, water does not directly contact such a converter; cooling is carried out due to the flow of cold air created by a fan. Compared to compressor refrigerators, electronic systems are much simpler, more reliable, smaller and cheaper. On the other hand, with higher power consumption, they have lower performance. And the efficiency of Peltier elements is not very high — in particular, they cool water not to a certain temperature, but to a certain number of degrees relative to the ambient temperature (usually 10 – 15 °C). It makes it difficult to get cold water in hot weather.

Cold water tank volume

The volume of the cold water tank provided in the device.

In this case, it means a tank for water specially cooled by the device (see "Water supply"). The volume of the tank is the maximum amount of cold water that the cooler can dispense in one run, without interruption or with minimal interruptions. When this amount is exhausted, you will have to wait until the water in the tank cools down again to a sufficient degree; the waiting time depends on the cooling capacity (see below). At the same time, the volume of cold water tanks in modern devices is usually several litres, and it is extremely rare to drain this entire volume; usually, small portions of 200-300 mL are required. Therefore, this tank plays the role of a buffer — when the user drains the next portion of water, water from a bottle or a water mains is added to the tank; such an admixture does not particularly affect the temperature in the tank, however, for an additional guarantee, the cooling system immediately turns on. Thus, if consumption does not exceed productivity.

Hot water tank volume

The volume of the hot water tank provided in the device.

This parameter describes the maximum amount of hot water that the cooler can produce in one run, without interruption or with minimal interruptions. When this amount is exhausted, you will have to wait until the water in the tank heats up again to a sufficient degree; the waiting time depends on the heating capacity (see below). At the same time, the volume of hot water tanks in modern devices is usually several litres, and it is extremely rare to drain this volume entirely — usually, small portions of 200-300 mL are required. Therefore, this tank plays the role of a buffer — when the user drains the next portion of water, water from a bottle or a water mains is added to the tank; such an admixture does not particularly affect the temperature in the tank, however, for an additional guarantee, the heating system immediately turns on. Thus, if the consumption does not exceed the heating capacity, the temperature of the contents remains practically unchanged.

Cooling performance

The performance of the cooling system installed in the device, in other words, is the amount of water that can be cooled per hour. In coolers, it is usually indicated for water at room temperature — about 20 °C, in models with a connection to the water mains (see "Water loading") — for 15 °C (this is the average temperature of cold water). Accordingly, when deviating from these indicators, the actual performance may be slightly more or less (however, such deviations must be very significant for this to become noticeable).

This parameter determines two main points. First of all, it characterizes the maximum flow of cold water that the device can handle and the recommended breaks between use. For example, if a user needs to collect 2 standard 200-gram cups and the cooler specifications state a cooling capacity of 2 L/h, this means that the cooler will cool 400 g (0.4 L) of water that has entered the tank, for 0,4/2 = 0.2 h, that is about 12 minutes. However, the need for such calculations arises mainly with high water consumption, which is very close to the claimed performance.

Also, knowing the cooling rate and the volume of the cold water tank (see above), you can determine how long it will take to cool the tank filled with water at room temperature. Such situations arise during the first use of the device, as well as when draining the entire volume of the reservoir. So, if in the above example, the volume of the tank is 3 litres, then 3/2 = 1.5 hours...will be spent on cooling it. However, you can use water earlier, if a slightly elevated temperature is not critical.

Heating performance

The performance of the heating system installed in the device, in other words, is the amount of water that can be heated per hour. In coolers, it is usually indicated for water at room temperature — about 20 °C, in models with a connection to the water mains (see "Water loading") — for 15 °C (this is the average temperature of cold water). Accordingly, when deviating from these indicators, the actual performance may be slightly more or less (however, such deviations must be very significant for this to become noticeable).

This parameter determines two main points. First of all, it characterizes the maximum consumption of hot water that the device can handle and the recommended breaks between use. For example, if a user needs to fill 2 tea cups with a volume of 300 mL each, and the cooler specifications state a heating capacity of 3 L/h, this means that 600 g (0.6 L) of water that has entered the tank instead of poured out, the cooler will heat in 0.6/3 = 0.2 h, that is, about 12 minutes. However, the need for such calculations arises mainly with high water consumption, which is very close to the claimed performance.

Also, knowing the heating rate and the volume of the cold water tank (see above), you can determine how long it will take to heat the tank filled with water at room temperature (for example, if the cooler is started for the first time, or if the tank was completely drained before). So, if in the above example, the volume of the tank is 1 li...tre, then 1/3 hour will be spent on heating it, that is, about 20 minutes. However, you can use water earlier if maximum heating is not critical.

Heating power

It is the power consumed by the device in water heating mode. Usually, it is the operating power of the heating element.

This parameter is directly related to the heating performance (see above): a high heating rate inevitably requires appropriate power. Also, the power consumption of the device depends on this parameter. However, it is worth noting that after the end of heating, the device switches to the temperature maintenance mode and requires much less energy. In other words, the heater consumes the specified power not constantly but occasionally, as needed.

It is also worth mentioning that in models that work only for heating, this indicator also describes the maximum power consumption of the entire device. And, if there are two modes (heating and cooling), the total maximum power consumption corresponds to the sum of the powers of both modes.

Cooling power

It is the power consumed by the device in water cooling mode. In other words, this is the power required for the operation of all elements of the cooling system — a compressor or a converter with a fan (depending on the type of cooling, see above).

This parameter is directly related to the cooling performance (see above): a high cooling rate inevitably requires appropriate power. However, with the same power, compressor systems are more performant than electronic ones. Only models with coolers of the same type can be compared in terms of power.

Also note that the cooling system does not consume this power constantly, but only when necessary. So, at room temperature of the water in the "cold" tank, it turns on at full capacity, and when the desired temperature is reached, it switches to its maintenance mode, which requires much less energy.

In cooling-only models, this figure describes the maximum power consumption of the entire device. And, if there are two modes (heating and cooling), the total maximum power consumption corresponds to the sum of the powers of both modes.
HotFrost D65EN often compared
HotFrost V118R often compared