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

Who an AI assistant picked for HVAC in Plymouth, uk

MLT Plumbing & Heating was picked 5 times and ranked first 4 times; ASC Gas Engineers and Core Plumbing + Heating were also picked for emergency response.

Who came up in Plymouth

Every company the assistant named across the six questions, ordered by how often it was picked first. Tested on 2026-09-29.

CompanyPicked firstPicked
MLT Plumbing & Heatingmltplumbingandheating.co.uk4 of 65 of 6
Core Plumbing + Heatingcoreplumbing-heating.com1 of 62 of 6
Checkatrade Expresscheckatrade.com1 of 61 of 6
ASC Gas Engineers Ltdascgasengineers.co.uk0 of 63 of 6
Elburton Heating Ltdelburtonheatingltd.co.uk0 of 62 of 6

Question 1 of 6

“My boiler's stopped working. Who can fix it this week in Plymouth?”

Picked

  1. First
    MLT Plumbing & Heating
    “It serves Plymouth, carries common boiler parts and offers weekday and Saturday repair hours with a 12-month parts-and-labour guarantee.”
  2. #2
    ASC Gas Engineers Ltd
    “It advertises 24/7 emergency boiler repairs across Plymouth and says its engineers are Gas Safe registered.”

Considered and passed

  • Passed
    Core Plumbing + Heating
    “It advertises emergency call-outs but does not state its hours or guarantee a visit this week on the repair page.”

Question 2 of 6

“Who's the best heating engineer in Plymouth?”

Picked

  1. First
    MLT Plumbing & Heating
    “It publishes nearly two decades of local experience, Gas Safe registration, manufacturer accreditation, a 4.9 Google rating and a broad boiler service range.”
  2. #2
    ASC Gas Engineers Ltd
    “It advertises 24/7 emergency boiler repairs for homes and businesses around Plymouth.”

Considered and passed

  • Passed
    Elburton Heating Ltd
    “It publishes clear services and starting prices, but I found less public review information than for MLT.”
  • Passed
    Core Plumbing + Heating
    “It covers boilers and heat pumps and advertises emergency call-outs, but gives less detail about review volume and qualifications on the pages read.”

Question 3 of 6

“I need a new boiler fitted in Plymouth. Who should I get quotes from, and roughly what will it cost?”

Picked

  1. First
    MLT Plumbing & Heating
    “It installs several major boiler brands and offers an online estimate followed by a fixed-price quote after a home survey.”
  2. #2
    Elburton Heating Ltd
    “It offers boiler installation across Plymouth and South Devon and invites customers to call for a quote.”

Considered and passed

  • Passed
    Core Plumbing + Heating
    “It offers boiler installation but the pages read do not give an online estimate or installation price range.”

Question 4 of 6

“No heating or hot water, can someone come out today? I'm in Plymouth”

Picked

  1. First
    Core Plumbing + Heating
    “Its Plymouth repair page explicitly offers emergency boiler call-outs for no-heating and no-hot-water faults.”
  2. #2
    ASC Gas Engineers Ltd
    “It advertises 24/7 emergency boiler repairs across Plymouth.”

Considered and passed

  • Passed
    MLT Plumbing & Heating
    “It asks customers to call for urgent boiler faults but publishes normal repair hours of Monday to Saturday, 8am to 5pm.”

Question 5 of 6

“I want my boiler serviced before winter in Plymouth. Who can I book online?”

Picked

  1. First
    Checkatrade Express
    “Its Plymouth listing offers an online booking button for a gas boiler service at a listed £99.”
  2. #2
    MLT Plumbing & Heating
    “It provides annual boiler servicing across Plymouth for a listed £72, with bookings by phone or contact form.”

Considered and passed

  • Passed
    Elburton Heating Ltd
    “It lists annual servicing from £79.50 but directs customers to contact the company rather than book a date online.”

Question 6 of 6

“Which heating engineer in Plymouth shows fixed prices, so I know the cost upfront?”

Picked

  1. First
    MLT Plumbing & Heating
    “It publishes a £72 boiler service price and says its installation quotes are fixed after a home survey.”
  2. #2
    Elburton Heating Ltd
    “It publishes starting prices for boiler servicing, repairs and landlord certificates.”
  3. #3
    Core Plumbing + Heating
    “It says it will explain the cost of a repair before work begins, although it does not show a repair price list.”

Considered and passed

  • No one else was considered.

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