SignalHVAC grew out of an HVAC distribution company. For years our team watched contractors, counter staff, and customers ask the same spec-sheet questions over and over — voltage, refrigerant, line set length, brand cross-compatibility — and watched our reps page through three different PDFs to answer each one.
We built SignalHVAC as the answer we wished we'd had: a catalog-aware assistant grounded in the real install and service manuals, with the source cited inline so a tech can verify before they pull the trigger.
We're still distributors at heart. That means we care more about getting the right unit to the job site than about chasing the broadest possible SKU count. We start with the manufacturers our customers actually carry, and grow the catalog one verified manual at a time.