On the Multi-Domain Impacts of Coupling Mechanical Ventilation to Radiant Systems in Residential Buildings

Maria Ferrara (), Clara Peretti, Enrico Fabrizio and Stefano Paolo Corgnati
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Maria Ferrara: Department of Energy, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy
Clara Peretti: Consorzio Q-Rad—Consorzio Italiano Produttori Sistemi Radianti di Qualità, 39100 Bozen, Italy
Enrico Fabrizio: Department of Energy, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy
Stefano Paolo Corgnati: Department of Energy, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy

Energies, 2023, vol. 16, issue 13, 1-14

Abstract: In the current context of joint efforts towards the decarbonisation of buildings, integrating occupants’ comfort and health with latest technological advancements for energy efficiency is at the center of the latest development of research, policies and professional practice. Radiant systems are encountering great success since the low-thickness systems can also be used in renovation projects for both heating and cooling, while guaranteeing optimal comfort. However, dehumidification is often required for optimal radiant cooling operation with no condensation risks, and the great potential of mechanical ventilation systems to optimally address the needs for dehumidification, air renewal, health and energy efficiency appears to be far from its full exploitation in the post-COVID-19 era. The present paper aims at providing a quantification of the energy and financial impacts of the implementation of a controlled mechanical ventilation system (CMV) coupled to a radiant system in a typical residential case study building in Italy. The results show that the sole CMV may decrease primary energy demand and energy costs by more than 30% and contribute to an increase in the smart readiness of the building by 8%, but further incentive policies must be developed to cover the still high investment and maintenance cost.

Keywords: cost-optimal analysis; smart readiness indicator; radiant heating; radiant cooling; mechanical ventilation; dehumidification; post-COVID-19; health; indoor air quality (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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