How to heat the house or offices using the electrical energy generated by a photovoltaic system

Utilizing the electricity generated by photovoltaics to heat the house

In a world increasingly oriented towards energy efficiency and sustainability, harnessing the electricity generated by photovoltaic systems for household or commercial heating is undoubtedly an opportunity that cannot go unnoticed. To achieve this, it’s possible to integrate our photovoltaic system with various technologies available in the market, a synergy that offers numerous advantages from both environmental and economic perspectives. Let’s explore some of them.

Photovoltaics with heat pump

Using a heat pump powered by photovoltaic energy harnesses a renewable and clean energy source, ensuring high energy efficiency in the heating process. Heat pumps powered by photovoltaic energy represent a complete solution for heating and domestic hot water production. These devices use the electrical energy produced by our system to extract heat from the external environment and transfer it inside the house, offering an efficient heating system entirely powered by renewable sources. Modern air conditioners also function as heat pumps, specifically air-to-air, and can produce heat during the winter.

Electric underfloor heating systems

Electric underfloor heating systems are effective and distribute heat evenly throughout the house. Connecting these systems to a photovoltaic energy source makes them more sustainable, consequently contributing to cost containment. The electricity produced by the photovoltaic panels is used to power the underfloor heating system, which consists of heating cables placed beneath the floor. Electric resistance is the primary device that can be powered by this electricity to generate heat.

Electric radiators

Electric radiators can be a practical and flexible solution for heating individual rooms or specific areas, without the need to renovate the entire heating system. The electricity generated by photovoltaic energy is used to power electric radiators, devices equipped with electric resistors that heat up and distribute the generated heat into the surrounding environment.

Accumulation boilers

It is possible to integrate an accumulation boiler to store solar energy produced during the day. The converted electricity is used to power the accumulation system, which can consist of a battery or a tank. The stored energy in the accumulator is used to power a heating element or a heat pump dedicated to heating water. This heat is then transferred to the water contained in the boiler tank.

What size should the photovoltaic system be?

At this point, it might be useful to ask what the size of a photovoltaic system should be when also intended for heating buildings. To obtain a more accurate indication, it is advisable to perform a specific energy analysis, relying on experienced technical personnel who can provide support in all project phases. The installation of a photovoltaic system requires a crucial phase of consultation and preliminary investigation aimed at identifying a technical solution truly suited to the client’s needs. Once the precise geographical location of the property subject to possible installation has been identified (an important factor for analyzing the variables that can influence actual energy production), a thorough analysis of consumption history is performed to identify technical solutions consistent with the analysis scenario. System sizing, structural analysis, executive design, and more are different but crucial steps with a similar purpose: to identify a technical solution that can guarantee the maximum energy yield of the system, in accordance with the analyzed energy demand and the facilities of the residence or office – including heating.

Relying on experts

It is clear, therefore, how important it is to design the installation prudently, defining the size of the photovoltaic system also based, for example, on the heating needs of the house. Collaborating with professionals is essential both to optimize the integration of these technologies and to maximize their environmental and economic benefits. Modern technologies also allow for easy integration of photovoltaic systems with existing heating systems. This synergy ensures a seamless transition and allows users to make the most of both energy sources. Leveraging the most advanced technologies in the photovoltaic sector for home or business heating not only increases the efficiency of the system but also represents an important step towards eco-sustainable and future-oriented homes or offices. In other words, it means preserving guaranteed energy savings, an integrated and efficient heating system, and a reduced environmental footprint.

Since 2008, Southenergy has been providing customized solutions aimed at enhancing renewable energy sources, leveraging what companies and individuals already possess: the roof. Specialization in the sector, physical presence in the territory, an organizational structure benefiting from highly qualified internal personnel, and owned equipment and means to promptly manage the entire value chain in energy construction and management are Southenergy’s real strengths. Discover the efficiency of our photovoltaic systems and the turnkey solutions we have reserved for those who have already chosen us: visit the section of our website dedicated to some of the projects we have implemented.

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