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HVAC city tests · Connecticut · one AI assistant's answers, October 2026

Who an AI assistant picked for HVAC in Stonington, CT

Across the six questions, South Shore Heating & Cooling was picked first 3 times and appeared in 5 answers; Duncklee Cooling & Heating was picked first once and appeared in 5 answers; Riley’s Heating was picked first once and appeared in 4 answers.

Who came up in Stonington

Every company the assistant named across the six questions, ordered by how often it was picked first. Tested on 2026-10-01.

CompanyPicked firstPicked
Duncklee Cooling & Heating Inc.dunckleeinc.com3 of 66 of 6
South Shore Heating & Cooling, Inc.callsouthshore.com2 of 66 of 6
Riley’s Heating Service Inc.rileysheatingservice.com1 of 64 of 6
Densmore Oil Companydensmoreoil.com0 of 61 of 6
Jewel Heating & Air Conditioningjewelhvac.com0 of 61 of 6

Question 1 of 6

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

Picked

  1. First
    South Shore Heating & Cooling, Inc.
    “Its site lists furnace repairs, emergency services, and Stonington as its home base.”
  2. #2
    Duncklee Cooling & Heating Inc.
    “It is based in Stonington and serves the town with heating repair and installation.”
  3. #3
    Riley’s Heating Service Inc.
    “It advertises 24-hour emergency service and heating repairs in southeastern Connecticut.”

Considered and passed

  • Passed
    Jewel Heating & Air Conditioning
    “It advertises Stonington service and 24-hour response, but its page provides no local address or service-area details beyond the town-specific landing page.”
  • Passed
    MidKnight Oil, LLC
    “It lists furnace and boiler repair and 24/7 emergency service, but its site centers on North Stonington and does not clearly state coverage for Stonington.”

Question 2 of 6

“Who is the best heating and air company in Stonington, Connecticut?”

Picked

  1. First
    Duncklee Cooling & Heating Inc.
    “It is based in Stonington, lists service throughout the town, and its own site displays a 4.7 rating from 261 Google reviews.”
  2. #2
    South Shore Heating & Cooling, Inc.
    “Its Stonington-based site covers furnace, boiler, heat pump, and AC work and notes emergency service.”
  3. #3
    Riley’s Heating Service Inc.
    “It has served southeastern Connecticut since 1984 and offers heating and cooling service with 24-hour emergency availability.”

Considered and passed

  • Passed
    Densmore Oil Company
    “It offers heating installation, repairs, and service plans in Stonington, but the material found focuses more on oil delivery and service plans than direct HVAC detail.”
  • Passed
    Benvenuti Oil
    “It serves Stonington and offers heating and cooling service, but its site presents fuel delivery as its primary service.”

Question 3 of 6

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

Picked

  1. First
    Duncklee Cooling & Heating Inc.
    “It is based in Stonington, serves the town, and offers HVAC repair and installation.”
  2. #2
    South Shore Heating & Cooling, Inc.
    “It installs furnaces, boilers, and heat pumps and offers free estimates for replacement equipment.”
  3. #3
    Riley’s Heating Service Inc.
    “It installs heating systems and invites customers to request a free estimate.”

Considered and passed

  • Passed
    Densmore Oil Company
    “It provides furnace installation in Stonington, but its site emphasizes heating-oil service and plans.”
  • Passed
    Benvenuti Oil
    “It installs heating systems and heat pumps in Stonington, but the available page is centered on oil delivery and general HVAC service.”

Question 4 of 6

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

Picked

  1. First
    Riley’s Heating Service Inc.
    “It offers AC repairs and advertises 24-hour emergency service in southeastern Connecticut.”
  2. #2
    South Shore Heating & Cooling, Inc.
    “It offers AC service and lists 24-hour emergency availability.”
  3. #3
    Duncklee Cooling & Heating Inc.
    “It is based in Stonington, serves the town, and provides cooling service.”

Considered and passed

  • Passed
    Jewel Heating & Air Conditioning
    “Its page advertises 24-hour Stonington AC repair, but offers no supporting local address or detailed service-area information.”
  • Passed
    Densmore Oil Company
    “It serves Stonington and provides cooling repair, but its site does not advertise same-day service.”

Question 5 of 6

“I want my furnace serviced before winter in Stonington, Connecticut. Who can I book online?”

Picked

  1. First
    Duncklee Cooling & Heating Inc.
    “Its site has a schedule appointment link and it offers heating service and maintenance.”
  2. #2
    South Shore Heating & Cooling, Inc.
    “It offers routine heating maintenance and inspections, though its contact page directs customers to call or submit a form.”
  3. #3
    Densmore Oil Company
    “Its service plans include an annual heating tune-up for customers in Stonington.”

Considered and passed

  • Passed
    Riley’s Heating Service Inc.
    “It offers heating maintenance, but the pages found ask customers to call rather than showing online booking.”
  • Passed
    Benvenuti Oil
    “It offers preventative maintenance but the site’s main calls to action are to call or become an oil customer.”

Question 6 of 6

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

Picked

  1. First
    South Shore Heating & Cooling, Inc.
    “It says it never charges overtime fees and offers free estimates for new or replacement equipment, though it does not publish repair prices.”
  2. #2
    Jewel Heating & Air Conditioning
    “Its Stonington page claims transparent pricing but does not show specific prices.”
  3. #3
    Duncklee Cooling & Heating Inc.
    “Its site offers estimates and shows customer comments on fair pricing, but does not publish a rate card.”

Considered and passed

  • Passed
    Riley’s Heating Service Inc.
    “It mentions free estimates and reasonable pricing in testimonials, but no fixed prices are published.”
  • Passed
    Densmore Oil Company
    “It lists heating service plans but no specific repair or diagnostic pricing on the page reviewed.”

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