布朗表示，房屋清洁能源计划鼓励房屋业主安装太阳能面板，升级隔热系统，采取其他措施来提高能源效率。
The voluntary Property Assessed Clean Energy program encourages homeowners to install solar panels, upgrade insulation and take other steps to improve energy efficiency, Brown said.
布朗表示，房屋清洁能源计划鼓励房屋业主安装太阳能面板，升级隔热系统，采取其他措施来提高能源效率。
The voluntary Property Assessed Clean Energy program encourages homeowners to install solar panels, upgrade insulation and take other steps to improve energy efficiency, Brown said.
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