Heat Recovery Units in Passivhaus Housing on the Spanish Mediterranean Coast: Energy Efficiency and Return on Investment DOI Creative Commons
Víctor Echarri Iribarren, Jordi Roviras Miñana, Ricardo Gómez-Val

et al.

Buildings, Journal Year: 2024, Volume and Issue: 14(12), P. 3975 - 3975

Published: Dec. 14, 2024

Regulatory demands for indoor air renewal in buildings entail high levels of energy consumption. This is the only way to provide minimum quality (IAQ) and avoid some common lesions pathologies. In Passivhaus standard (PHS) houses, a heat recovery system required between indoor–outdoor masses system. configuration substantially reduces addition, obligation reduce envelope leakage below n50 value 0.60 ACH usually allows decrease consumed less than 15 kWh/m2y winter, as by PHS. It complex, however, quantify building, whether project phase or operational use phase. The present study focuses on application PHS Spanish Mediterranean housing. aim was assess it suitable systems quantifying savings obtained, execution costs, infiltration flow, ventilator power usage, maintenance. To this end, we performed an existing house Abrera (Barcelona, Spain). found that are always cost-effective cold climates such Central Europe but profitable houses when costs approximately EUR 2500. case, investment covered over period 9.4–12.8 years 14–18 equipment more 3000. Annual range from 184.44 254.33 compared 904.99 934.82 city like Berlin, is, 400–500% increase savings. Moreover, accounted 13% 15% air, −1.348 2.276 8.55 17.31 kWh/m2y, respectively. Lastly, average efficiency ηt performance—which 82% 95%—did not play relevant role deciding should be installed not.

Language: Английский

Heat Recovery Units in Passivhaus Housing on the Spanish Mediterranean Coast: Energy Efficiency and Return on Investment DOI Creative Commons
Víctor Echarri Iribarren, Jordi Roviras Miñana, Ricardo Gómez-Val

et al.

Buildings, Journal Year: 2024, Volume and Issue: 14(12), P. 3975 - 3975

Published: Dec. 14, 2024

Regulatory demands for indoor air renewal in buildings entail high levels of energy consumption. This is the only way to provide minimum quality (IAQ) and avoid some common lesions pathologies. In Passivhaus standard (PHS) houses, a heat recovery system required between indoor–outdoor masses system. configuration substantially reduces addition, obligation reduce envelope leakage below n50 value 0.60 ACH usually allows decrease consumed less than 15 kWh/m2y winter, as by PHS. It complex, however, quantify building, whether project phase or operational use phase. The present study focuses on application PHS Spanish Mediterranean housing. aim was assess it suitable systems quantifying savings obtained, execution costs, infiltration flow, ventilator power usage, maintenance. To this end, we performed an existing house Abrera (Barcelona, Spain). found that are always cost-effective cold climates such Central Europe but profitable houses when costs approximately EUR 2500. case, investment covered over period 9.4–12.8 years 14–18 equipment more 3000. Annual range from 184.44 254.33 compared 904.99 934.82 city like Berlin, is, 400–500% increase savings. Moreover, accounted 13% 15% air, −1.348 2.276 8.55 17.31 kWh/m2y, respectively. Lastly, average efficiency ηt performance—which 82% 95%—did not play relevant role deciding should be installed not.

Language: Английский

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