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

Who an AI assistant picked for HVAC in Londonderry, NH

Rowell's Services was picked in all 6 questions and ranked first in all 6.

Who came up in Londonderry

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

CompanyPicked firstPicked
Rowell's Servicesrowellsheating.com6 of 66 of 6
Cal's Air Conditioning & Heatingcalsairandheat.com0 of 64 of 6

Question 1 of 6

“My furnace won't turn on. Who can fix it this week in Londonderry, New Hampshire?”

Picked

  1. First
    Rowell's Services
    “Its local furnace page advertises same-day repairs, around-the-clock availability, and service for all brands and models.”
  2. #2
    Cal's Air Conditioning & Heating
    “It serves Londonderry and advertises 24-hour emergency service alongside furnace repair.”

Considered and passed

  • Passed
    Southern New Hampshire Plumbing and Heating
    “It serves Londonderry and handles heating, but the pages reviewed did not establish same-day furnace repair availability.”
  • Passed
    Tom's Mechanical Services
    “It lists furnace installation and emergency HVAC calls, but I found less local service and availability detail than the two picks.”

Question 2 of 6

“Who is the best heating and air company in Londonderry, New Hampshire?”

Picked

  1. First
    Rowell's Services
    “Its site combines local HVAC service, 24/7 emergency availability, upfront per-job pricing, and a stated history of more than 3,000 five-star reviews.”
  2. #2
    Cal's Air Conditioning & Heating
    “It serves Londonderry with furnace, AC, and heat pump work and advertises 24-hour emergency service.”

Considered and passed

  • Passed
    Southern New Hampshire Plumbing and Heating
    “It offers heating and cooling in Londonderry, but its reviewed pages give less detail about emergency HVAC response and published customer-review totals.”
  • Passed
    Tom's Mechanical Services
    “It lists HVAC services for Southern New Hampshire, but has a much smaller stated Google review count and less history than the top pick.”

Question 3 of 6

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

Picked

  1. First
    Rowell's Services
    “It serves Londonderry, discusses heating-system upgrades, and says it provides a full per-job price in advance.”
  2. #2
    Cal's Air Conditioning & Heating
    “It serves Londonderry and explicitly offers furnace and heat pump installation with free quotes.”

Considered and passed

  • Passed
    Southern New Hampshire Plumbing and Heating
    “Its site lists heating and cooling, but the pages reviewed did not provide enough installation detail or pricing information to compare it confidently for a replacement quote.”
  • Passed
    Tom's Mechanical Services
    “It lists furnace installation, but its website provides less detail about replacement options and no verified installed-price range.”

Question 4 of 6

“My AC isn't working, can someone come out today? I'm in Londonderry, New Hampshire.”

Picked

  1. First
    Rowell's Services
    “Its local site advertises same-day service and around-the-clock emergency help for heating and cooling customers.”
  2. #2
    Cal's Air Conditioning & Heating
    “It serves Londonderry and advertises 24-hour emergency AC service.”

Considered and passed

Question 5 of 6

“I want my furnace serviced before winter in Londonderry, New Hampshire. Who can I book online?”

Picked

  1. First
    Rowell's Services
    “Its Londonderry site provides an online booking link and heating service.”

Considered and passed

Question 6 of 6

“Which heating company in Londonderry, New Hampshire has upfront pricing, so I know the cost before they come?”

Picked

  1. First
    Rowell's Services
    “Its furnace repair page says it gives full per-job repair pricing after diagnosis and before work begins.”

Considered and passed

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