Abstract
In view of the decarbonisation targets in the building sector, heat pump can play a key role, marking the shift towards all-electric buildings. Although the heat pump technology is well known, and its use is ever increasing, some issues (practical and operative) are still open in the assessment of the main aspects that influence the efficiency. These complexities emerge when heat pump monitoring is carried out, allowing to assess the real performance. Therefore, in this work, the challenges and opportunities of heat pump monitoring are presented, from a field study of the tertiary sector. The monitoring of an air-to-water heat pump allowed to: (i) assess its real operating performance; (ii) compare the correlations of results with climate data and load profile; (iii) highlight some critical points, as the importance of data mining and data cleaning phase for the reliability of the results; (iv) assess and identify which is the temporal scale needed for a proper data elaboration.
Highlights
The EU aims to be climate-neutral by 2050, and strategic priorities have been defined for the goal: increase the carbon capture and storage; create carbon sinks; enhance the circular economy in the industrial sector; developing smart networks; clean mobility; energy efficiency; decarbonised energy supply [1]
The building sector can give its important contribution through a variety of interventions: increasing the use of renewable sources, improving the building envelope thermal characteristics, replacing the HVAC systems with fossil fuels-free ones
It has been estimated that in 2030 heat pumps will account for 22% of the share of households purchasing for heating and hot water production in selected regions the Sustainable Development Scenario [3]), but support policies will help to reduce purchase and installation costs, by removing market barriers [4]
Summary
The EU aims to be climate-neutral by 2050, and strategic priorities have been defined for the goal: increase the carbon capture and storage; create carbon sinks; enhance the circular economy in the industrial sector; developing smart networks; clean mobility; energy efficiency; decarbonised energy supply [1]. The analysis of air-to-water heat pumps behaviour, linked to climate conditions and load factor, has highlighted a real-operating efficiency. The monitoring allowed to: (i) assess the real operating performance of the heat pump; (ii) compare the correlations of results with climate data and load profile; (iii) highlight some critical points, as the importance of data mining and data cleaning phase for the reliability of results; (iv) assess and identify which is the temporal scale needed for a proper data elaboration
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