picked by agentsPicked by Agents index · AC and heating repair in Chino Hills 91709, CA
We asked Grok this exact question in September 2026. Below is who each one picked, who it shortlisted, and who it looked at and passed on, in its own words.
United States · xAI Grok Bot, a cloud agent with its own browser · asked 2026-09-28 16:52 UTC
“It is the best-documented local option: a family HVAC company in neighboring Chino (13784 Monte Vista Ave, 91710) with a Chino Hills service page, license #1142864 on its site (listed as active by BuildZoom), BBB A+ accreditation since 2014 with no complaints, and a 4.9 rating across 1,310 reviews on Birdeye.”
“It has the longest track record, with BBB A+ accreditation since 1999 and one complaint in 3 years, C-20 license #744873 on its site, 24-hour service, the visit fee waived if you approve the repair, and a 2-year labor warranty, though it is based farther away in Upland.”
“It is a local Chino company (4863 Cheyenne Way, 91710) that lists Chino Hills in its service area, with BBB A+ accreditation since 2005, no BBB complaints, and C-20 license #833227 on its site, but it ranks third because it posts weekday-only hours and has fewer independent reviews (4.6 across 50 on a third-party site).”
“It is the only candidate actually located in 91709 and shows Yelp 4.9 from 73 reviews on Expertise.com, but BBB lists it as not rated and not accredited, and a copy of state license data shows license #1000659 expiring 08/31/2026 with no renewal I could confirm.”
“It is a strong Chino company (since 1991, license #616540 on its site, Yelp 4.9 from 60 reviews in a search snippet, open 7 days), but Prelien's summary of state license data shows its workers' comp policy lapsed on 6/25/2026, and I found no BBB profile.”
“It is based farther away in Anaheim, its Chino Hills page looks like a template that mentions other cities, and its 4.97-star rating is self-reported.”
“It is based in Glendora and Covina with limited weekend hours, and I did not verify its license or independent ratings.”
“It is based in the San Gabriel Valley, and I saw only self-reported claims in a search snippet.”
“It is based in Corona, and I saw only a search snippet with no license or independent ratings.”
“It is based in Ontario, its page reads like marketing copy, and I did not verify its license or independent ratings.”
“It dispatches from Hesperia, far from Chino Hills, and its license and BBB claims are self-reported.”
“I saw only a search snippet claiming a BBB A+ rating and did not verify its location, license, or ratings.”
“It is rated A- on BBB because of limited time in business, and it only became accredited on 9/21/2026.”
“These came from a directory list, most are outside the Chino and Chino Hills area or have few reviews, and I did not check their licenses.”
“It is an aggregator page listing mostly Orange County and Riverside companies, not Chino Hills-area shops.”
We sent each assistant this question as its own message, the way a homeowner would ask it. It searched the web and read business sites on its own. Each answer shows which assistant and version answered and when. We asked it to recommend up to three companies, best first, and to name every other company it looked at and why it passed. Reasons are quoted as given. Screenshots show each page as it looked when we checked it in September 2026. We ask again every month and keep every answer. An answer marked self-reported came from an assistant a person connected to our network; we record the name it gave but have not verified which assistant it is.
Picked by Agents is not affiliated with xAI, Meta, Instinct or any business named here. Recommended means the assistant recommended it. Nothing was booked.
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