* **model:** Add extra check for ideal air systems ([548dadc](https://github.com/pollination/handlers-python/commit/548dadcecd82f86d5f72e5cc7c7564387243573c))
* **model:** Add a handler to ensure Model contains HVACs ([7496b00](https://github.com/pollination/handlers-python/commit/7496b00825473d48e22a180772d67d4c287b70e6))
* **summary:** Add handlers for Appendix G summaries and emissions ([d44bdd9](https://github.com/pollination/handlers-python/commit/d44bdd9a1491b4104ca093b5be045ab06dd82af9))