v0.9.2

New release as of 11/30/2025. Fix a breaking issue with pint package for google colab example and roll latest round of changes from dev into a minor version release. See the changelog for more details on fixed issues

Full list of changes: v0.9.1...v0.9.2

v0.9.1

What's Changed

• Updating package dependencies by @mnblonsky in #175

Full Changelog: v0.9.0...v0.9.1

v0.9.0

What's Changed

• Added multi-speed parameters for HVAC in ResStock 2024 by @mnblonsky in #130
• Updated to OS-HPXML v1.7 by @mnblonsky in #132
• Added DSE=1 for Room AC by @sugirdhalakshmi in #138
• Added new EV data, inputs, control methods, and metrics by @mnblonsky in #137
• Fixed Attic-garage boundary by @jmaguire1 in #149
• Fixed ducts in multiple locations by @mnblonsky in #151
• Added circuit sharing/pausing and smart EV charger by @JingWang-CUB in #152
• Allow superinsulated slabs by @jmaguire1 in #158
• Added backup controls by @kendallbaertlein in #160
• Added example scripts by @mnblonsky in #154
• Added event-based load features by @mnblonsky in #166
• Updated docs and user tutorial by @mnblonsky in #171
• v0.9.0 by @mnblonsky in #172
• Added command line interface and GUI
• Renamed key input arguments (see changelog)

New Contributors

• @JingWang-CUB made their first contribution in #152

Full Changelog: v0.8.6...v0.9.0

v0.8.6

• Updated docs config for ReadTheDocs

Full Changelog: v0.8.5-beta...v0.8.6

v0.8.5-beta

What's Changed

Key Changes

• Added controls and optional schedule columns for HVAC, Water Heater, EV, and Battery
• Updated PV model to integrate with PVWatts using PySAM v5.0 (not backwards compatible)
• Changed the units for some outputs related to heat gains/capacity
• Moved default input file path for package installation
• Replaced setup.py with pyproject.toml
• Fixed bug with schedule file import using Pandas v2.2
• Fixed syntax warning for Python 3.12

List of Pull Requests

• User Improvements by @mnblonsky in #86
• Unit conversion error on strip heat capacity. by @jmaguire1 in #92
• Standalone HVAC bug fix by @mnblonsky in #98
• HVAC external capacity control by @mnblonsky in #84
• State space model reduction bug fix by @mnblonsky in #108
• Update to PySAM v5.0 by @mnblonsky in #104
• New controls by @mnblonsky in #106
• Package Improvements by @mnblonsky in #120
• Fixing EV random event generator by @mnblonsky in #122
• merge for v0.8.5 by @mnblonsky in #125

Full Changelog: v0.8.4-beta...v0.8.5-beta

v0.8.4

What's Changed

OCHRE now works with HPXML files generated from OS-HPXML 1.5 and 1.6. This includes BEopt 3.0 and ResStock 3.0 and 3.1.

Key Changes

• Fixed bug with air infiltration inputs (works with ResStock 3.0 and 3.1, and OS-HPXML 1.6.0)
• Fixed bug with 2-speed HVAC control
• Fixed bug with nested dictionary arguments for Envelope zones and boundaries
• Fixed bug when setting ScheduledLoad power to 0
• Removed requirement for HVAC setpoint schedule in HPXML file
• Added garage door boundary. Uses the same material as a regular door

Full Changelog: v0.8.3-beta...v0.8.4-beta

v0.8.3-beta

Initial public release of OCHRE