What is aerothermal energy?
The term aerothermal energy is currently much abused, but what is it really? It is a concept that is used to define the action of extracting the energy contained in the air to use it through a heat exchanger together with a thermodynamic cycle for, for example, air conditioning or heating water in our home throughout the year. Actually, systems that allow heat transfer between media have existed for decades, and they are none other than the so-called heat pumps. Specifically, aerothermal heat pumps are those that transmit heat by extracting it from the AIR. Therefore, aerothermal heat pump systems are only one of the possible current heat transfer systems between media: other types of heat pumps are, for example, air-to-air, water-to-air, water-to-water, etc.
But if these devices have been around for many years, why the boom in aerothermal heat pumps now? The reason is simple: the technical evolution of these devices has allowed them to achieve very high energy efficiency, to the point that aerothermal energy is considered a renewable energy source.
Exactly, in the current regulations of the Technical Building Code: DB-HE corresponding to the Basic Document of "Energy Saving" in its section HE-4 corresponding specifically to the 'Minimum contribution of renewable energy to cover the demand for domestic hot water. It is established that this minimum contribution for DHW will be made by renewable energy sources at least 70% or 60% (depending on the volume of daily DHW) . Thus, and due to the current high performance of aerothermal heat pumps, the HE-4 itself allows considering aerothermal energy as another source of renewable energy, provided that the final energy production significantly exceeds the consumption of the primary energy used. Thus, in order to be considered as a renewable energy source, the equipment must have a seasonal average performance (sCOPdhw) greater than or equal to 2.5 when it is electrically driven (i.e., when it uses electrical primary energy for its operation).
The MarPlus® domestic hot water system selected for your MarPlus home
The most used equipment throughout the year in your home is the one in charge of heating water, since this is a service that we require throughout the year, more time in active than the air conditioning system. Therefore, it is essential that the DHW equipment is of the highest quality and efficiency possible.
Despite the overall significant improvement of these equipment, they are not all the same. Their differences are based primarily on the value of that seasonal average performance. For your home at MarPlus, we have searched extensively for the highest performing DHW equipment on the market that we could offer you. we could offer you. That's why we selected the top-of-the-line we selected the top of the range Daikin EKHLE-PCV3, which has a COP of 4.23, far superior to most of the equipment available on the market, which are mostly focused on matching or minimally exceed the value of 2.5 required by the HE4.
This Daikin equipment is indeed high-end and high-priced, but so are its features and that is why we have included it already installed in your new MarPlus home. Thanks to this performance, the selected equipment achieves an A+ energy rating, the maximum possible for this category of equipment .
Here you have access to the specification table of the Daikin EKHLE-PCV3. Indeed, in the table you can see that for a nominal power consumption of 0.43kW, i.e. 430W, it has a rated heating capacity of 1.82kW (1820W). Thus:
COP = Rated power obtained / Rated power consumption = 1.82kW/0.43kW = 4.23, as also indicated in the table.
In addition, the selected Daikin equipment has among other features:
- A modern and compact design with a capacity of 200 liters.
- Anti-legionella cycle.
- Programmable operating capacity.
With this article, we have completed the information on the three active components that we have planned to install included in the price of your new home to obtain and enjoy maximum efficiency, comfort and well-being:
- The heat pump system by aerothermia for DHW described in this article.
- The air conditioning system, in the article: MOST modern and efficient air conditioning. The system chosen for MarPlus.
- The double-flow controlled mechanical ventilation system with heat recovery, in the article: Mechanical ventilation systems, what are they, their types, how they work and which one we have selected for MarPlus.
These three active systems complement the efficient passive envelope of your home. Do not forget that if you want to further improve your home with a renewable energy contribution, you can enjoy the OPTION+ PhotoVoltaic solar panels, see it from our blog article: PV solar panels, OPTION+ of MarPlus, how do they work, what production to expect?
Visit the home page of our website https://ganditec.es to have access to all the documentation of our new development in Gandia. New housing in Gandia, in la Safor, the Residencial MarPlus.
