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The study aims to evaluate the effectiveness of hybrid heat pump systems for decarbonizing existing buildings while improving energy efficiency.

June 17, 2026

Hybrid Heat Pump: Enabling Efficient Decarbonization of Existing Buildings

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The study aims to evaluate the effectiveness of hybrid heat pump systems for decarbonizing existing buildings while improving energy efficiency.
Analyzed bivalent systems combining gas boilers and electric heat pumps.
Examined performance in retrofitting existing buildings with radiator-based heating systems.
Considered integration with Building Energy Management Systems (BEMS).
Bivalent systems can reduce CO2 emissions by up to 60% compared to traditional gas boilers.
Heat pumps in optimized configurations can cover over 90% of thermal demand with high efficiency.
The technology also offers ancillary services for grid stability, enhancing overall energy flexibility.

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Randomized trial analyzes hybrid heating effectiveness in retrofitting buildings, suggesting significant emissions reduction.

Croci et al. (2026) studied this question.

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