Abstract
Residential energy efficiency interventions: A meta-analysis of effectiveness studies.
Highlights
The residential sector releases around 17% of global greenhouse gas emissions and making residential buildings more energy efficient can help mitigate climate change
We report separately by intervention category because we believe that funders, policymakers, installers, and households are interested in how specific efficiency measures (EEMs) impact energy consumption
James and Ambrose (2017) took place in a moderate climate (1000–1500 heating degree days (HDD)), but is not included in the meta‐analysis because the authors did not report sufficient information to calculate an effect size and the lead author did not respond to a request for this information
Summary
The residential sector releases around 17% of global greenhouse gas emissions and making residential buildings more energy efficient can help mitigate climate change. Engineering models are often used to predict the effects of residential energy efficiency interventions (REEI) on energy consumption, but empirical studies find that these models often over‐estimate the actual impact of REEI installation. Different empirical studies often estimate different impacts for the same REEI, possibly due to variations in implementation, climate and population. Objectives: The review aims to assess the effectiveness of installing REEIs on the following primary outcomes: energy consumption, energy affordability, CO2 emissions and air quality indices and pollution levels. Selection Criteria: We included randomised control trials, and quasi‐experimental studies that evaluated the impact of installing REEIs anywhere in the world and with any comparison
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