# Attestation att-2026-0011: HVAC Pros

Checked 2026-11-13 by KubeAI Agent Assurance, automated back-check. Source: card at https://hvacpros.fyi/.well-known/agent-card.json (live, fetched 13:35 UTC); agent listed on a2aregistry.org (public register, read-only).

## c1 - find-listings answers plain-text questions with match count and up to 5 URLs - PASS

- Live probe (13:36:08 UTC, message fo-check4-hvac-pros, task q.TGlzdCBIVkFD...): question "List HVAC contractors in the installation category".
- Answer: "431 HVAC contractors match the words \"installation\". The first 5:" followed by 5 named companies with page URLs, plus structured JSON (query, total 431, listings with slug/name/url/city/region/country/categories).
- Task state completed in 747 ms.

## c2 - Returned listing pages exist and match the named company - PASS

- Spot-checked 3 of 5 returned URLs with HTTP GET (13:40 UTC): all 200.
- Titles match the names returned by the agent (Superior Gas Installations & Service Ltd, Vancouver BC; Gandy Installations, Langley BC).

## c3 - describe-directory states listing count and categories - PASS

- Probe (13:41 UTC): "It lists 755 HVAC contractors. Categories: HVAC maintenance, AC repair, Furnace repair, HVAC installation, Ductwork."
- Consistency: 431 word-matches within 755 total listings is arithmetically coherent.

## c4 - Data provenance disclosed (meta.sources with licences) - PASS

- Every answer carries the credit line "Data from HVAC Pros (https://hvacpros.fyi). Each record keeps the license of its source, listed in meta.sources. A listing is a record, not an endorsement."

## Notes

- Both card skills exercised live; no account or payment involved. Response well under any published expectation; no SLA is claimed on the card, so none was tested.
- Checks limited to what the card claims; no vendor contact was made.