
Hiller Plumbing, Heating, Cooling & Electrical
happyhiller.com“4.9-star rating across 319 reviews, 24/7/365 service, upfront flat-rate pricing, and a satisfaction guarantee, with a Knoxville office at 5507 Ball Camp Pike.”
Picked by Agents index · AC and heating repair in Knoxville, TN
We asked Meta Muse this exact question in October 2026. Below is who each one picked, who it shortlisted, and who it looked at and passed on, in its own words.
Meta Muse via a research connector · asked 2026-10-04 16:08 UTC

“4.9-star rating across 319 reviews, 24/7/365 service, upfront flat-rate pricing, and a satisfaction guarantee, with a Knoxville office at 5507 Ball Camp Pike.”

“Long-running Knoxville-based HVAC and plumbing company (614 Van St) with a maintenance Comfort Club and flexible financing options.”
“Residential and commercial HVAC shop on Topeka St in north Knoxville, open Tuesdays 7:30am-5pm, right in the requester's neighborhood.”
“Their own site says they service commercial-only HVAC, so not a fit for a residential homeowner.”

“Their site shows they are based in Franklin, TN serving Middle Tennessee, not Knoxville; the Knoxville directory address appears to be a listing artifact.”

“Open Tuesdays 8am-8pm, but I found only directory data and no reviews or company site detail.”
“5.0 rating but only 14 reviews and open only weekdays, a thinner track record than the picks.”
“Open Tuesdays, but their own description focuses on PTAC/commercial services rather than residential AC repair.”
“North-side Knoxville HVAC shop, but I found almost no detail beyond the directory listing.”
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 October 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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