International. Exchangers with counterflow plates make better use of the heat and moisture in the air being expelled, Sodeca said.
Heat recovery systems are ventilation systems that allow the air in buildings to be renewed and, in the same process, also temper it, transferring the temperature of the indoor air they expel to the fresh air they provide. This contributes to energy savings, because dependence on heating and cooling systems is reduced.
Recuperators, therefore, are effective in achieving both energy efficiency and optimal air quality in indoor spaces. Sodeca offers models adapted to different needs, such as the AirHome, designed specifically for homes, and more robust models for larger and more affluent buildings, such as the RECUP/EC-BS and RECUP/EC-H.
The key element in heat recovery systems is the heat exchanger. There are three types depending on the way in which air flows through this component. They can be rotary exchangers, with cross-flow plates or with counterflow plates. Of these three options, the one that offers the highest thermal efficiency is the last, reaching an efficiency of up to 90%. The counterflow plate system is the one that best uses and transfers energy, heat or cold, from the air that is extracted from the interior to the fresh air that enters from the outside.
Sodeca manufactures heat recovery systems for both homes and high-capacity tertiary buildings that incorporate this type of exchanger, which contributes to increasing energy savings.
The installation of ventilation systems that incorporate heat recovery is mandatory according to the Regulation on Thermal Installations in Buildings (RITE) when an external air supply flow of 1.008 m³/h is exceeded. In this regard, it is useful to bear in mind that Energy Savings Certificates (EACs) contribute to significantly reducing the cost of implementation.
These certificates, which are more easily obtained through the Catalogue of Standardised Energy Efficiency Data Sheets, make the installation of dual-flow ventilation systems with heat recovery more economically accessible by simplifying the verification of energy savings. In this article from Sodeca, it is detailed what they consist of and how to obtain them.
