Home Performance XML, or HPXML, provides a data dictionary (BPI-2200) and a standard extensible markup language (XML) protocol (BPI-2100) for transferring data from one software system to another. The data dictionary creates a common “vocabulary” for the residential energy efficiency industry and the data transfer protocol provides a basis for communication between software systems.
HPXML provides value to the energy efficiency industry
Improve industry efficiency by reducing the costs of data collection and exchange between market actors
Create interoperability between software systems to transfer data 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
It's easy to get started with HPXML