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

Who an AI assistant picked for HVAC in Holbrook, MA

GEM Plumbing & Heating was picked 6 times and first 3 times; Proto Home Service was picked 5 times and first 2 times; Norfolk County Heating & Cooling was picked 5 times and first once.

Who came up in Holbrook

Every company the assistant named across the six questions, ordered by how often it was picked first. Tested on 2026-09-30.

CompanyPicked firstPicked
GEM Plumbing & Heating Services, LLCaskgem.com3 of 66 of 6
Proto Home Service Plumbing & HVACprotohomeservice.com3 of 66 of 6
Norfolk County Heating & Coolingnorfolkhc.com0 of 64 of 6
Aspinwall Plumbing & Heatingaspinwallplumbing.com0 of 61 of 6
Gervais Mechanicalgervaismechanical.com0 of 61 of 6

Question 1 of 6

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

Picked

  1. First
    Proto Home Service Plumbing & HVAC
    “Its Holbrook page covers gas furnaces and oil burners, identifies its Massachusetts oil-burner license, and says same-day service is available.”
  2. #2
    GEM Plumbing & Heating Services, LLC
    “It has a dedicated Holbrook furnace-repair page with 24/7 emergency service and online scheduling.”
  3. #3
    Norfolk County Heating & Cooling
    “It serves Holbrook and advertises 24/7 emergency furnace repairs for all makes and models.”

Considered and passed

  • Passed
    Aspinwall Plumbing & Heating
    “Its Holbrook page offers furnace repair and 24/7 emergency service, but did not specify same-day availability.”
  • Passed
    Gervais Mechanical
    “It offers heating repairs and same-day service, but its Holbrook service page did not load in the web reader.”

Question 2 of 6

“Who is the best heating and air company in Holbrook, Massachusetts?”

Picked

  1. First
    GEM Plumbing & Heating Services, LLC
    “Its site combines Holbrook-specific heating service, 24/7 emergency availability, same-day service, online scheduling, and a substantial Google review count.”
  2. #2
    Proto Home Service Plumbing & HVAC
    “Its Holbrook page details gas and oil heating expertise, an oil-burner license, same-day service, and pricing before approval.”
  3. #3
    Norfolk County Heating & Cooling
    “It explicitly serves Holbrook and advertises around-the-clock emergency HVAC service.”

Considered and passed

  • Passed
    Aspinwall Plumbing & Heating
    “It serves Holbrook and advertises online scheduling and emergency furnace repair, but the pages I read did not provide the same volume of review evidence.”

Question 3 of 6

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

Picked

  1. First
    Proto Home Service Plumbing & HVAC
    “Its Holbrook page says it reviews the home’s heating load and current fuel setup before discussing replacement equipment and pricing.”
  2. #2
    GEM Plumbing & Heating Services, LLC
    “It offers free estimates for new installations and heating-system financing.”
  3. #3
    Norfolk County Heating & Cooling
    “It offers free estimates and financing for HVAC installation work in the Holbrook area.”

Considered and passed

  • Passed
    Aspinwall Plumbing & Heating
    “It offers HVAC service and project financing, but I did not find installed furnace or heat-pump prices on the pages I read.”

Question 4 of 6

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

Picked

  1. First
    GEM Plumbing & Heating Services, LLC
    “It advertises same-day service and 24/7 emergency availability and has a Holbrook AC-repair page.”
  2. #2
    Proto Home Service Plumbing & HVAC
    “It says same-day service is available in Holbrook and lists emergency cooling among its services.”
  3. #3
    Norfolk County Heating & Cooling
    “It serves Holbrook and advertises 24/7 emergency service for heating and cooling breakdowns.”

Considered and passed

  • Passed
    Aspinwall Plumbing & Heating
    “Its Holbrook page says emergency AC service is available, but it does not state same-day availability.”

Question 5 of 6

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

Picked

  1. First
    GEM Plumbing & Heating Services, LLC
    “Its Holbrook furnace page describes online scheduling and heating service for local homes.”
  2. #2
    Proto Home Service Plumbing & HVAC
    “Its Holbrook page links to furnace repair and maintenance and provides an online booking option.”
  3. #3
    Aspinwall Plumbing & Heating
    “It offers online scheduling and advertises furnace repair in Holbrook.”

Considered and passed

  • No one else was considered.

Question 6 of 6

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

Picked

  1. First
    Proto Home Service Plumbing & HVAC
    “Its Holbrook page explicitly says pricing is provided before approved work begins.”
  2. #2
    GEM Plumbing & Heating Services, LLC
    “Its Holbrook furnace page states that the quoted price is the price the customer pays.”
  3. #3
    Gervais Mechanical
    “It advertises transparent pricing and upfront rates based on the job.”

Considered and passed

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