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
Industry Efficiency
Improve industry efficiency by reducing the costs of collecting and exchanging data between market actors.
Interoperability
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.
Tools + Resources
Data Dictionary
Defines terms and field formats for the energy efficiency industry
Transfer Standard
Requirements for a standard XML data transfer protocol
HPXML Validator
Validate your HPXML files against the schema and its datasets
Implementation Guide
Learn how to integrate HPXML into your work streams and products
Resources
Webinars, case studies, and more to guide your implementation
Data Selection Tool
Understand how your data needs align with HPXML
News + Updates
News and updates about HPXML and related industry standards
