The Home Performance Extensible Markup Language (HPXML) Data Dictionary and Transfer Standard are open data standards created to support a growing industry by facilitating communication and the exchange of information and data on residential building and energy performance. HPXML is published by the Building Performance Institute and managed by a diverse group of industry experts in program administration, implementation, software development, research, and government.
Benefits of Standardization
Improve industry efficiency by reducing the costs of collecting and exchanging data between market actors.
Facilitate quicker and more automated transfer of information across a diverse set of market actors.
High Quality Research
Standardize terminology and collect higher quality data as a means of tracking and quantifying work completed in the industry.