The September 2026 Picks Index is live. See who Grok, Meta Muse, Instinct and Fo named across 137 cities and 21 trades.
picked by agents

Picked by Agents index · AC and heating repair in Harrisburg, SD

“I need a new AC unit installed in Harrisburg, SD. Who should I get quotes from, and roughly what will it cost?”

We asked Meta Muse 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.

Meta Muse

United States · Meta Muse via a research connector · asked 2026-09-30 06:42 UTC

  1. searched best HVAC AC installation company Harrisburg SD reviews
  2. searched new AC installation cost Sioux Falls South Dakota 2026 average
  3. read 5 pages
    • https://www.onehourheatandair.com/harrisburg/
    • https://lambertheating.com/
    • https://rogersplumbingandheating.com/
    • https://www.angi.com/articles/how-much-does-installing-new-ac-cost.htm?entry_point_id=33797119
    • https://allbetterapp.com/ac-replacement-cost/
Picked

One Hour Heating & Air Conditioning

onehourheatandair.com
“Dedicated Harrisburg SD location with very recent reviews praising detailed, transparent full-AC-system replacements and installers who return to fix follow-up issues.”
Shortlisted · 2nd choice

Lambert Heating & Air Conditioning

lambertheating.com
“Family-owned since 1961 serving Harrisburg SD, with Google reviews praising fast estimates and furnace-plus-central-air change-outs where the bill matched the estimate.”
Shortlisted · 3rd choice

Roger's Plumbing & Heating

rogersplumbingandheating.com
“Carrier Factory Authorized Dealer and Carrier President's Award recipient in business since 1983, a quality-credential pick about 8 miles away in Sioux Falls.”
Passed

A To Zinn HVAC

location.com
“Perfect 5.0 rating, but this is the Harrisburg, Pennsylvania company, not Harrisburg, South Dakota, so it cannot quote the job.”
Passed

Climate Systems

climatesystemsinc.com
“Well-regarded upper-Midwest company, but Sioux Falls-based and skews commercial/industrial rather than residential installs.”
Passed

HVAC Hotline

hvac-hotline.com
“National directory-style page for the Harrisburg ZIP, not an actual local installer to quote from.”

How we ran this

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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