# Free tools

Free tools for HVAC contractors for maintenance plans, AC repair, furnace repair, and installation. You need no account.

- [HVAC maintenance schedule planner](https://hvacpros.fyi/tools/hvac-maintenance-planner.md): Plan seasonal service and filter checks using ENERGY STAR guidance.
- [AC and furnace age replacement checker](https://hvacpros.fyi/tools/hvac-age-checker.md): Compare equipment age with published HomeGuide lifespan ranges.