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HVAC city tests · Duluth, MN · one AI assistant's answers, September 2026

How AI assistants rate Northland Air in Duluth, MN

Picked once and ranked second in the no-heat answer; Twin Ports Heating & Cooling was picked six times and ranked first in all six.

Pickednorthlandairco.com

What the assistant said

Its own sentence for each question, verbatim.

  • Picked #2

    “My furnace won't turn on. Who can fix it this week in Duluth, Minnesota?”

    “It advertises 24/7 winter emergency dispatch and says its trucks carry common furnace parts for one-trip repairs.”
  • Picked #2

    “Who is the best heating and air company in Duluth, Minnesota?”

    “It describes itself as locally and veteran owned and advertises flat-rate quotes, a labor warranty, and full residential HVAC service.”
  • Picked #2

    “I need a new furnace or heat pump installed in Duluth, Minnesota. Who should I get quotes from, and roughly what will it cost?”

    “It says it performs a home heat-load calculation and walks homeowners through equipment options and operating costs before commitment.”
  • Picked #2

    “My AC isn't working, can someone come out today? I'm in Duluth, Minnesota.”

    “It advertises same-day repair for central AC, ductless mini-splits, and heat-pump cooling.”
  • Picked #2

    “Which heating company in Duluth, Minnesota has upfront pricing, so I know the cost before they come?”

    “It advertises flat-rate pricing and says homeowners see the full quote before work begins.”

Who it picked instead

The company the assistant picked most often in Duluth.

Twin Ports Heating & Cooling

Picked first in 6 of 6, picked in 6 of 6

“It says it is based in Duluth, answers no-heat calls 24/7, and often reaches local repair calls the same day.”

What would change it

Where the assistant found the answer on another site and not on this one.

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