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Environmental and Economic Benefits from the Phase-out of Residential Oil Heating: A Study from the Aosta Valley Region (Italy)

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  • Alessandro Casasso

    (Department of Environmental, Land and Infrastructure Engineering (DIATI), Politecnico di Torino, corso Duca degli Abruzzi 24, 10129 Torino, Italy)

  • Pietro Capodaglio

    (ARPA Valle d’Aosta, località La Maladière 48, 11020 Saint-Christophe (Aosta), Italy)

  • Fulvio Simonetto

    (ARPA Valle d’Aosta, località La Maladière 48, 11020 Saint-Christophe (Aosta), Italy)

  • Rajandrea Sethi

    (Department of Environmental, Land and Infrastructure Engineering (DIATI), Politecnico di Torino, corso Duca degli Abruzzi 24, 10129 Torino, Italy)

Abstract

Although its use is declining, oil heating is still used in areas not covered by the methane grid. Oil heating is becoming more and more expensive, requires frequent tank refill operations, and has high emissions of greenhouse gas (GHG) and air pollutants such as SOx. In addition, spills from oil underground storage tanks (USTs) represent a serious environmental threat to soil and groundwater quality. In this paper, we present a comprehensive analysis on technical alternatives to oil heating with reference to the Aosta Valley (NW Italy), where this fuel is still often used and numerous UST spills have been reported in the last 20 years. We assess operational issues, GHG and pollutant emissions, and unit costs of the heat produced for several techniques: LPG boilers, wood boilers (logs, chips, pellets) and heat pumps (air-source, geothermal closed-loop and open-loop systems). We examine the investment to implement such solutions in two typical cases, a detached house and a block of flats, deriving payback times of about 3–8 years. Wood log boilers turn out to be the most economically convenient solutions; however, heat pumps provide several benefits from the operational and environmental points of view. In addition, including solar thermal panels for domestic hot water or a photovoltaic plant would have payback times of about 6–9 years. The results highlight the economic feasibility and the multiple benefits of a rapid phase-out of oil heating in Italy.

Suggested Citation

  • Alessandro Casasso & Pietro Capodaglio & Fulvio Simonetto & Rajandrea Sethi, 2019. "Environmental and Economic Benefits from the Phase-out of Residential Oil Heating: A Study from the Aosta Valley Region (Italy)," Sustainability, MDPI, vol. 11(13), pages 1-16, July.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:13:p:3633-:d:244943
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    References listed on IDEAS

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    Cited by:

    1. Edoardo Ruffino & Bruno Piga & Alessandro Casasso & Rajandrea Sethi, 2022. "Heat Pumps, Wood Biomass and Fossil Fuel Solutions in the Renovation of Buildings: A Techno-Economic Analysis Applied to Piedmont Region (NW Italy)," Energies, MDPI, vol. 15(7), pages 1-25, March.
    2. Marco Ravina & Costanza Gamberini & Alessandro Casasso & Deborah Panepinto, 2020. "Environmental and Health Impacts of Domestic Hot Water (DHW) Boilers in Urban Areas: A Case Study from Turin, NW Italy," IJERPH, MDPI, vol. 17(2), pages 1-18, January.
    3. Alessandro Casasso & Marta Puleo & Deborah Panepinto & Mariachiara Zanetti, 2021. "Economic Viability and Greenhouse Gas (GHG) Budget of the Biomethane Retrofit of Manure-Operated Biogas Plants: A Case Study from Piedmont, Italy," Sustainability, MDPI, vol. 13(14), pages 1-18, July.

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