Who cuts emissions, who turns up the heat? causal machine learning estimates of energy efficiency interventions

• URL: http://arxiv.org/abs/2508.04478v1
• Date: Wed, 06 Aug 2025 14:29:38 GMT
• Title: Who cuts emissions, who turns up the heat? causal machine learning estimates of energy efficiency interventions
• Authors: Bernardino D'Amico, Francesco Pomponi, Jay H. Arehart, Lina Khaddour,
• Abstract summary: We use a causal machine learning model trained on nationally representative data of the English housing stock.<n>We estimate average and conditional treatment effects of wall insulation on gas consumption.<n>Low energy burden groups achieve substantial savings, whereas those experiencing high energy burdens see little to no reduction.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Reducing domestic energy demand is central to climate mitigation and fuel poverty strategies, yet the impact of energy efficiency interventions is highly heterogeneous. Using a causal machine learning model trained on nationally representative data of the English housing stock, we estimate average and conditional treatment effects of wall insulation on gas consumption, focusing on distributional effects across energy burden subgroups. While interventions reduce gas demand on average (by as much as 19 percent), low energy burden groups achieve substantial savings, whereas those experiencing high energy burdens see little to no reduction. This pattern reflects a behaviourally-driven mechanism: households constrained by high costs-to-income ratios (e.g. more than 0.1) reallocate savings toward improved thermal comfort rather than lowering consumption. Far from wasteful, such responses represent rational adjustments in contexts of prior deprivation, with potential co-benefits for health and well-being. These findings call for a broader evaluation framework that accounts for both climate impacts and the equity implications of domestic energy policy.

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