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

Who an AI assistant picked for HVAC in Northallerton, uk

Across six questions, Plumbcraft was picked in five and ranked first in four; M. Preston Plumbing and Heating was picked in three, Harvey Heating in four, and Greencore Solutions in one.

Who came up in Northallerton

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

CompanyPicked firstPicked
Plumbcraft (Yorks) Ltdplumbcraft.net4 of 66 of 6
M. Preston Plumbing and Heating Ltdmprestonplumbing.co.uk1 of 64 of 6
Greencore Solutions Ltdgreencoresolutions.co.uk1 of 61 of 6
Harvey Heating Ltdharveyheating.com0 of 65 of 6

Question 1 of 6

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

Picked

  1. First
    Plumbcraft (Yorks) Ltd
    “Its Northallerton-based team handles gas, LPG and oil boiler faults and says it prioritises breakdowns for the earliest available diagnostic appointment.”
  2. #2
    M. Preston Plumbing and Heating Ltd
    “Its Northallerton service page lists boiler fault finding, repairs and an emergency 24-hour service.”
  3. #3
    Harvey Heating Ltd
    “It serves Northallerton and lists boiler repairs for gas, oil and LPG systems, with customer testimonials describing prompt breakdown responses.”

Considered and passed

  • Passed
    Able Group
    “Its Northallerton page currently says it is unable to take bookings in the area.”
  • Passed
    Greencore Solutions Ltd
    “It lists Northallerton repair service and same-day coverage, but its main offer is broader planned heating, renewables and bathroom work.”

Question 2 of 6

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

Picked

  1. First
    Plumbcraft (Yorks) Ltd
    “It is based in Northallerton, serves the local area across heating work and reports 4.8 stars from 564 Google reviews.”
  2. #2
    Harvey Heating Ltd
    “It has a Northallerton contact number, works on gas, oil and LPG boilers, and publishes customer accounts of prompt service.”
  3. #3
    M. Preston Plumbing and Heating Ltd
    “It is based in Northallerton and offers domestic heating work including boiler repairs, servicing and installation.”

Considered and passed

  • Passed
    Able Group
    “The firm advertises broad 24-hour coverage, but its local page says it is currently unable to take bookings in Northallerton.”
  • Passed
    Greencore Solutions Ltd
    “It serves the area and publishes fixed-quote and same-day claims, but is based in Darlington rather than Northallerton.”

Question 3 of 6

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

Picked

  1. First
    Plumbcraft (Yorks) Ltd
    “It installs boilers in Northallerton and offers free quotes, Bosch accreditation and finance options.”
  2. #2
    Harvey Heating Ltd
    “It offers boiler installation in Northallerton across gas, oil and LPG and invites homeowners to request a free quote.”
  3. #3
    M. Preston Plumbing and Heating Ltd
    “It is based in Northallerton and lists installation of gas, oil and LPG boilers.”

Considered and passed

  • Passed
    Greencore Solutions Ltd
    “It offers Northallerton boiler installation and fixed written quotes, but was not included in the shortlist of locally based installers.”
  • Passed
    Able Group
    “It lists Northallerton boiler installation, but its local page currently says it cannot take bookings in the area.”

Question 4 of 6

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

Picked

  1. First
    M. Preston Plumbing and Heating Ltd
    “Its heating page advertises an emergency 24-hour service and directs weekend call-outs to its mobile number.”
  2. #2
    Harvey Heating Ltd
    “It serves Northallerton and publishes testimonials describing prompt emergency boiler responses, although current availability is not stated.”
  3. #3
    Plumbcraft (Yorks) Ltd
    “It prioritises heating emergencies during office booking hours and covers Northallerton, but explicitly says it is not a 24-hour service.”

Considered and passed

  • Passed
    Able Group
    “Despite its 24/7 claims, its Northallerton service page says it cannot currently take bookings in the area.”
  • Passed
    Greencore Solutions Ltd
    “Its service-area page claims same-day cover in Northallerton, but does not establish an emergency call-out slot today.”

Question 5 of 6

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

Picked

  1. First
    Plumbcraft (Yorks) Ltd
    “It offers boiler servicing and a “Book A Service Now” link for customers in its Northallerton service area.”
  2. #2
    Harvey Heating Ltd
    “It services gas, oil and LPG boilers across Northallerton, though its site asks customers to enquire rather than displaying a booking calendar.”

Considered and passed

  • Passed
    M. Preston Plumbing and Heating Ltd
    “It offers boiler servicing but I found no online booking calendar on the service or contact pages.”
  • Passed
    Able Group
    “It offers boiler servicing, but its Northallerton page says bookings are currently unavailable in the area.”

Question 6 of 6

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

Picked

  1. First
    Greencore Solutions Ltd
    “Its Northallerton page says it provides itemised fixed-price quotes after a survey and prices any discovered work up front.”
  2. #2
    Plumbcraft (Yorks) Ltd
    “It advertises fixed-price quotes for certain straightforward small repairs, while noting that standard repair labour is based on time taken.”

Considered and passed

  • Passed
    Harvey Heating Ltd
    “Its site advertises free installation quotes but I did not find a fixed-price commitment for Northallerton jobs.”
  • Passed
    M. Preston Plumbing and Heating Ltd
    “Its pages list boiler services but I did not find an upfront fixed-pricing claim.”

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