Core
Manual J Snapshot
Quick load estimate by square footage, climate zone, and envelope.
Ondervolk OS Native
Primary trade
HVAC
Loads, equipment matchups, and maintenance plans that pay annually.
3 core modules2 helpers3 recommended secondaries
Core workbench
Pinned the moment you choose this trade.
These are the modules every hvac business uses on day one. Reorder them, hide the ones you don't need, but they ship in the box.
Core
Equipment Matchup
AHRI-style matched indoor/outdoor pairs with efficiency ratings.
Ondervolk OS Native
Core
Maintenance Plans
Spring/fall PM contracts that auto-renew and bill on schedule.
Ondervolk OS Native
Helpers
Add what you need, ignore what you don't.
Optional modules that pair cleanly with the hvac core board.
Helper
Duct Design Notes
Static pressure scratchpad and diffuser counts per zone.
Ondervolk OS Native
Helper
Refrigerant Log
EPA-required tracking of recovered and added refrigerant.
Ondervolk OS Native
Recommended secondaries
Trades that pair naturally with HVAC.
InsulationSheet MetalSolar Panel Installation