Available now
Put the HVAC field toolkit in your pocket.
Download HVAC Tech Companion for quick references, field calculators, and AI tools designed around real service calls.
Download on the App StoreFree to start · iPhone / iOS 16+
Android support coming soon
Built for iPhone
Runs on iPhone with iOS 16 or newer.
Works in dead zones
Core references and calculators stay available offline.
Free to start
Use the full reference toolkit free, with optional Pro AI.
Need help getting started?
Browse common answers or email us and we’ll help you out.