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

Who an AI assistant picked for HVAC in Chelmsford, MA

Across six questions, Dodge Cooling and Heating was picked 4 times and ranked first 2 times; Doug Anderson Plumbing and Heating was picked 4 times and ranked first once; Wrightway was picked 3 times; Maxwell Mechanical was picked once and ranked first once.

Who came up in Chelmsford

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

CompanyPicked firstPicked
Dodge Cooling and Heatingdodgecooling.com3 of 63 of 6
Doug Anderson Plumbing and Heatingdaplumbingandheating.com2 of 64 of 6
Maxwell Mechanical Plumbing & Heatingmaxwellmechanical.com1 of 62 of 6
Wrightway Heating & Coolingwrighthvac.com0 of 63 of 6
MillTown Plumbing, Heating, Cooling and Electricalmilltownplumbing.com0 of 61 of 6

Question 1 of 6

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

Picked

  1. First
    Dodge Cooling and Heating
    “Its heating page explicitly offers diagnosis and repair when a heating system fails to kick on, and it is based in Chelmsford.”
  2. #2
    MillTown Plumbing, Heating, Cooling and Electrical
    “It has a Chelmsford furnace repair page that lists specific furnace components it repairs.”

Considered and passed

  • Passed
    Wrightway Heating & Cooling
    “It offers Chelmsford furnace repair and describes fast response, but does not confirm this week’s appointment availability.”
  • Passed
    Doug Anderson Plumbing and Heating
    “It offers heating repair and 24/7 emergency service, but the pages reviewed do not confirm a same-week appointment.”

Question 2 of 6

“Who is the best heating and air company in Chelmsford?”

Picked

  1. First
    Dodge Cooling and Heating
    “It is Chelmsford-based, offers a broad range of heating systems, and highlights heat pump installation credentials and a strong Google review record.”
  2. #2
    Doug Anderson Plumbing and Heating
    “It serves Chelmsford with heating, cooling, installation, repair, and 24/7 emergency service.”
  3. #3
    Wrightway Heating & Cooling
    “It offers furnace repair, installation, and maintenance in Chelmsford and has a quote guarantee described on its site.”

Considered and passed

Question 3 of 6

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

Picked

  1. First
    Dodge Cooling and Heating
    “It installs furnaces and heat pumps, offers free in-home estimates, and identifies itself as an LG Pro Dealer and Mass Save Heat Pump Installer.”
  2. #2
    Doug Anderson Plumbing and Heating
    “It offers furnace and boiler installation and says it provides written estimates before work begins.”
  3. #3
    Wrightway Heating & Cooling
    “It provides furnace installation and heat pump services and offers a quote guarantee described on its homepage.”

Considered and passed

  • Passed
    Maxwell Mechanical Plumbing & Heating
    “It provides heating service and installations, but its reviewed pages did not provide a clear residential installation estimate process.”
  • Passed
    Mass Save
    “It is a rebate and energy program rather than an installation contractor, though its current rebate information may affect the project budget.”

Question 4 of 6

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

Picked

  1. First
    Doug Anderson Plumbing and Heating
    “Its Chelmsford AC service page explicitly states same-day availability in many cases and 24/7 emergency coverage.”
  2. #2
    Wrightway Heating & Cooling
    “It offers AC repair in Chelmsford and describes fast response, though it does not guarantee a same-day visit.”

Considered and passed

Question 5 of 6

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

Picked

  1. First
    Maxwell Mechanical Plumbing & Heating
    “Its heating service call page has a request-to-book option and explicitly includes furnace cleaning and maintenance for Chelmsford-area customers.”

Considered and passed

  • Passed
    Dodge Cooling and Heating
    “It offers heating maintenance, but I did not find an online appointment calendar on the pages reviewed.”
  • Passed
    Doug Anderson Plumbing and Heating
    “It offers heating service, but the pages reviewed direct customers to call or send a message rather than book a specific time online.”

Question 6 of 6

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

Picked

  1. First
    Doug Anderson Plumbing and Heating
    “It says it provides an upfront estimate before work starts and describes its pricing as transparent with no hidden fees.”
  2. #2
    Maxwell Mechanical Plumbing & Heating
    “It claims transparent pricing with no hidden costs, while noting its heating service-call prices vary.”

Considered and passed

  • Passed
    Wrightway Heating & Cooling
    “It describes a price-beating quote guarantee for competitor estimates, but does not publish a fixed service-call price on the pages reviewed.”
  • Passed
    Dodge Cooling and Heating
    “It offers free installation estimates, but the pages reviewed do not show fixed repair or diagnostic prices.”

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