Free tools

Free tools for HVAC contractors.

Small, useful, browser-based. No sign-up, no credit card. Built by the team behind Quadrum's AI back-office crew.

HVAC Review Response Generator

Paste any customer review (1–5 stars) and get a polished, copy-ready reply in seconds. Free, no sign-up — written in the operator voice that actually converts.

Try the generator →

More tools land here as we build them. Read the blog for what we're working on, or see Quadrum for the full AI back-office crew.