Domestic hot water (DHW) is an essential commodity in everyday life, but its production is expensive. Fortunately, a solution exists: the thermodynamic water heater. These devices recycle calories from the air to heat water. Are you looking for one? It's a good thing we've put together this guide dedicated to the best thermodynamic water heaters available today.
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Our selection
"The Kaliko Essentiel ETWH E model designed by De Dietrich is a high capacity tabletop water heater. It offers an impressive efficiency of 119%."
"Treat yourself to a wall-mounted ecological water heater with a total capacity of 100 L. This device ensures an automatic adjustment of the quantity of…"
"Opt for an ultra-efficient and economical water heater with a coefficient of performance higher than 3.00. With its 200 L capacity, you have enough hot…"
"With this water heater, you will benefit from domestic hot water at a temperature of 65°C. The TD Eco 180 model has a capacity of…"
The Kaliko Essentiel ETWH E model designed by De Dietrich is a high capacity tabletop water heater. It offers an impressive efficiency of 119%.
1 176 £ on ManomanoWith this device having a capacity of 180 L, you will benefit from a sufficient quantity of hot water to satisfy the needs of a household. Its powerful 1550 W motor allows to heat water to a maximum temperature of 65°C. Its heating time at 15°C is 6 hours 2.
This water heater has an enamelled tank with impressed current anode protection. It is also equipped with an evaporator made of copper tubes and aluminum fins. Finally, you should know that by purchasing this device, you will benefit from a 2-year warranty.
Treat yourself to a wall-mounted ecological water heater with a total capacity of 100 L. This device ensures an automatic adjustment of the quantity of hot water according to the needs;
972 £ on ManomanoThe Thermor Aeromax 5 model captures the calories of the outside air thanks to the heat pump. This device has 3 operating modes (Auto, Manual, Absence and Boost). It allows you to visualize the consumption and energy savings. You can also control the unit with the free Cozytouch application.
The Thermor Aeromax 5 is equipped with a PAC with an exchanger not immersed in water, which provides excellent protection against limescale. Finally, you should know that the unit has a double ACI hybrid corrosion protection.
Opt for an ultra-efficient and economical water heater with a coefficient of performance higher than 3.00. With its 200 L capacity, you have enough hot water for an entire household.
1 638 £ on ManomanoAtlantic, the reference in water heaters, has created a dream machine designed to meet all your needs while allowing you to make significant savings. It works with a heat pump that recovers the calories contained in the air to heat your DHW.
It is equipped with a patented ACI hybrid anti-corrosion tank ensuring longevity against acids and limescale. Thanks to its coefficient of performance which exceeds 3.00, you will benefit from 65% free hot water.
With this water heater, you will benefit from domestic hot water at a temperature of 65°C. The TD Eco 180 model has a capacity of 180L, which is more than enough for a family of 4 people.
1 176 £ on ManomanoThis thermodynamic water heater by Chappée is a high-capacity device with an energy efficiency of 119%. With an electrical power of 1550 W, its heating time is 6 hours. Its heat pump can heat domestic hot water up to 65 ° C.
The device is equipped with an enamelled tank with current anode protection. It also has an evaporator made of copper tubes and aluminum fins, and a condenser, also made of copper. By purchasing this unit, you will benefit from a 2-year warranty on parts.
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Your guide :
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| TOP OF THE TOP | CHEAP | TOP OF THE LINE | EXCELLENT | |
In accordance with our commitment, this buying guide does not contain any sponsored products. |
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| OUR SELECTION |
Kaliko Essential ETWH E De Dietrich
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THERMOR AEROMAX 5
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ODYSSEE INTELLIGENT PILOT VS 200l
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TD Eco Chappée Air Ambient 180 L
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The Kaliko Essentiel ETWH E model designed by De Dietrich is a high capacity tabletop water heater. It offers an impressive efficiency of 119%.
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Treat yourself to a wall-mounted ecological water heater with a total capacity of 100 L. This device ensures an automatic adjustment of the quantity of hot water according to the needs;
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Opt for an ultra-efficient and economical water heater with a coefficient of performance higher than 3.00. With its 200 L capacity, you have enough hot water for an entire household.
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With this water heater, you will benefit from domestic hot water at a temperature of 65°C. The TD Eco 180 model has a capacity of 180L, which is more than enough for a family of 4 people.
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Sanitary energy class A +
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Intuitive control and 4 operating modes
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Power of 1800W
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Energy class A +
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Enamelled tank
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Dual ACI hybrid corrosion protection
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Coefficient of performance (COP) higher than 3.00
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Acoustic pressure46,2 dB
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Energy efficiency 119
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Remote control
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Tank warranty : 5 years
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Builder's warranty 2 years
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The thermodynamic water heater produces domestic hot water by aerothermy. This type of device is a first choice alternative to reduce the electricity budget allocated to this production. To choose the right model, you must consider the following criteria:
The thermodynamic water heater is also classified in the family of electric water heaters. In fact, apart from the heat pump which allows the water to be heated thanks to the captured heat, this type of device is also equipped with a resistance used in case the heat to be captured would be lacking. The whole point of this type of device is to be able to store the heated water thanks to the hot water tank. Also, make sure that it can hold enough DHW to satisfy the needs of all users.
The
coefficient of performance is the ratio between the amount of energy consumed by the appliance and the amount of hot water it delivers. It is the best index to evaluate the quality of thermodynamic cumulus heaters. Generally speaking, the most efficient devices offer a COP of 2 to 3. This one can reach 7 during the hot seasons.
You
will have the choice between a device equipped with a heat pump (PAC) capturing the ambient air and a model where the PAC is powered by the outside heat. You will have to choose according to the space available. The first requires a room of 10 m2 minimum, otherwise, the amount of air stirred will not be enough to make it work optimally.
Compared to
other household appliances and other models of water heaters, the cumulus thermodynamic is noisier. If your water heater is going to be placed next to the bedroom or living room, opt for the least noisy models. Generally speaking, a thermodynamic water heater producing 50 dB is perfect in terms of noise level.
Today's thermodynamic water heaters have certain options that make them easier to use. Check if you can have remote management via an app. The majority of the devices are also equipped with the automatic mode that adjusts the production of DHW according to the daily consumption. An anti-corrosion tank is necessary to optimize the life of the device. Finally, if you had adjustable vents, it would be perfect.
Thermodynamic water heaters belong to the family of alternative energy appliances. Domestic hot water is essential to our daily lives, but in recent years, it has caused an explosion in fossil fuel consumption and, consequently, increased greenhouse gas emissions.
So, if you were used to using an instantaneous electric water heater or a gas model, it would be noble of you to switch to thermodynamic models. If the cost of installation scares you, you should know that this type of work can be the subject of financial aid from the state. Indeed, the installation of a thermodynamic or solar water heater is part of the energy improvement work.
The models of water heaters currently available are classified into the following 3 main families: room air, extract air and split. Focus on the differences between these units:
This first type of thermodynamic water heater is equipped with a heat pump that captures the ambient air inside the room where it is installed. Very popular, it is practical because it does not take up much space, since the heat pump is integrated into the appliance.
On the other hand, many consumers point to its noise emissions, which can be annoying, especially if the unit is to be installed near living areas. In addition, the fact that it captures indoor heat reduces the temperature, which is not very practical during the cold seasons. The Kaliko Essentiel ETWH E De Dietrich, the ODYSSEE PILOTAGE INTELLIGENT VS 200l and the TD Eco Chappée belong to this family of appliances.
The
thermodynamic cumulus with extracted air can play the role of a vmc double flow. It collects the air from ventilated rooms including the kitchen and the bathroom through a network of ducts. The air circulating in these rooms is warmer, which guarantees a high efficiency of the unit.
This type of unit can be installed in a garage or a laundry room. It can also be installed in a closet or a small insulated room for acoustic comfort. Extracted air water heaters are also appreciated because they do not reduce the temperature. The THERMOR AEROMAX 5 is part of this category of appliances.
This
third type of water heater works like the room air models. The difference is that the water heater works by extracting heat from the outside ambient air. In short, the heat pump must be placed outside the room where the tank is installed.
Its main interest lies in the fact that it has no impact on the air inside the house. Thus, it has no impact on the temperature. However, the split models have some detractors from the aesthetic point of view. Indeed, the outdoor heat pump has a great influence on the external decoration of a house.
The thermodynamic water heater is an appliance that uses renewable aerothermal energy. It is the heat pump that captures the calories contained in the outside or inside air, depending on the type of device. Its interest lies in the fact that it produces domestic hot water with this free and abundant energy source. If the thermodynamic water heater will not cost you anything in terms of fuel, its installation cost is still important.
Solar water heaters also work with a free and much more abundant alternative energy: the sun's rays. Just like aerothermal energy devices, they exempt you from paying the cost of fuel. However, their price is not cheap, as it can be as high as €5000 for the top of the range models. Moreover, they are somewhat cumbersome as they require the installation of solar panels.
You should choose the device according to the climatic conditions in your living area. If you have plenty of sunshine, the solar model will be perfect. On the other hand, if the sun is often absent, it would be wiser to opt for a thermodynamic device.
Install the water heater in a room with little clutter
If you have chosen the room air model, it would be better to install it in a room with little obstruction where the air circulates well. This will optimize the unit's performance.
Perform annual maintenance
Perform
a routine check-up annually. For this, you will need to contact a heating engineer.
Check regularly
Check the
tank for leaks. Also consider cleaning the heat pump fan to remove dust build-up.
Find out about tax credits
If
you are installing a thermodynamic water heater to replace a fossil fuel model, you may be able to receive credits for the installation. Don't hesitate to take advantage of them.
Adopt a routine
Use
the heat pump during periods of ambient air to maximize its performance. If the weather doesn't allow it, switch to the electric system but do this during off-peak hours. By adopting this routine, you will save money and be assured of hot water when you need it.
The best thermodynamic water heater depends on your needs and your budget. Read our buying guide to find out which products are the best at the moment.
A minimum budget of 1000 € is required
Atlantic, De Dietrich and Chappée are the references in this field.
Since this is an energy renovation, you can give it a try.
Most tool shops sell this product. However, we advise you to buy it online as it is much cheaper.
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