CallRail
CallRail ranks #37 of 38 brands in the HVAC & Plumbing AI Visibility Index, with 0.1% of all AI citations. 1 of five engines named it, and it was named first 0.0% of the times it appeared.
Visibility by engine
strongest in Perplexity · weakest in ChatGPT
Where it wins
citations by buyer intent
What the models actually said
Verbatim from the scan — real answers to buyer questions, unedited.
“CallRail or DialPad [1] For design and system layout, engineers use AutoCAD MEP and Revit MEP, while load calculations often rely on Carrier HAP [3].”
— Perplexity · web-grounded
The gap to the top
CallRail holds 0.1% of AI citations. The category leader, Roto-Rooter, holds 10.0% — 110.0× more. In an AI-mediated market, that gap compounds: the more consistently a brand is named, the more confidently models reproduce it.
Ranked alongside CallRail
the brands two places either side in the index
How these numbers are produced — the prompt bank, the five engines, and what counts as a citation — is documented in The AI Visibility Index methodology.
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