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

Who an AI assistant picked for HVAC in Cary, IL

Across six questions, V. M. O’Leary Sheet Metal & Heating was picked 6 times and first 4 times.

Who came up in Cary

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

CompanyPicked firstPicked
V. M. O'Leary Sheet Metal & Heatingvmolearyhvac.com4 of 66 of 6
H.R. Stewart Inc.hrstewart.com1 of 65 of 6
Air-tech Services, Inc.airtechservicesinc.com1 of 62 of 6
Always Air Inc.alwaysairheating.com0 of 62 of 6
FlameCo Heating & Air Conditioning Inc.flameco.net0 of 62 of 6

Question 1 of 6

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

Picked

  1. First
    V. M. O'Leary Sheet Metal & Heating
    “Its Cary service page advertises same-day service, while its heating page says it handles all makes and models and offers 24/7 emergency heating service.”
  2. #2
    H.R. Stewart Inc.
    “Its Cary HVAC page advertises same-day emergency service and 24/7 availability.”
  3. #3
    Air-tech Services, Inc.
    “It says it dispatches from Cary for immediate service and asks customers with furnace failures to call for repair.”

Considered and passed

  • Passed
    Always Air Inc.
    “It advertises 24/7 emergency service but does not specify same-day response on the pages reviewed.”

Question 2 of 6

“Who is the best heating and air company in Cary, Illinois?”

Picked

  1. First
    V. M. O'Leary Sheet Metal & Heating
    “It serves Cary, presents verified Google reviews, and describes itself as a family-owned, third-generation HVAC company.”
  2. #2
    H.R. Stewart Inc.
    “It has a Cary service page, describes itself as locally and family-owned since 1930, and lists 24/7 emergency service and NATE-certified technicians.”
  3. #3
    FlameCo Heating & Air Conditioning Inc.
    “It is based in Cary, describes itself as third-generation family-owned, and advertises same-day services.”

Considered and passed

  • Passed
    Always Air Inc.
    “It is a local full-service option with emergency service, but the reviewed pages show fewer Google reviews on-site than O’Leary’s site reports.”
  • Passed
    Air-tech Services, Inc.
    “It serves Cary and advertises immediate service, but its website has less detail about technician qualifications and emergency availability.”

Question 3 of 6

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

Picked

  1. First
    V. M. O'Leary Sheet Metal & Heating
    “Its heating page offers free in-home estimates for new and replacement heating equipment and lists Cary among its service communities.”
  2. #2
    Always Air Inc.
    “It serves Cary, offers free estimates on new heating systems, and lists complete Bryant systems starting at $3,700.”
  3. #3
    H.R. Stewart Inc.
    “Its Cary HVAC page offers free residential estimates within three business days and identifies the company as a Carrier authorized dealer.”

Considered and passed

Question 4 of 6

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

Picked

  1. First
    V. M. O'Leary Sheet Metal & Heating
    “Its Cary page advertises same-day service for local heating and cooling customers.”
  2. #2
    H.R. Stewart Inc.
    “Its Cary page lists same-day emergency service and 24/7 availability.”
  3. #3
    FlameCo Heating & Air Conditioning Inc.
    “It is based in Cary and says customers can call for same-day services.”

Considered and passed

  • Passed
    Always Air Inc.
    “It advertises 24/7 emergency service, but the pages reviewed do not promise same-day response.”

Question 5 of 6

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

Picked

  1. First
    H.R. Stewart Inc.
    “Its site offers a schedule-service option and comprehensive maintenance agreements for Cary-area customers.”
  2. #2
    Always Air Inc.
    “It offers preventive maintenance and service agreements and provides a request-service option on its website.”
  3. #3
    V. M. O'Leary Sheet Metal & Heating
    “Its heating page describes planned service agreements and includes Cary in its service area, though online appointment availability was not confirmed.”

Considered and passed

  • Passed
    Air-tech Services, Inc.
    “It offers preventive maintenance but says calling is the quickest way to schedule, rather than providing online booking.”

Question 6 of 6

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

Picked

  1. First
    Air-tech Services, Inc.
    “It describes its rates as straightforward without hidden charges and publishes a furnace cleaning starting price with a qualification.”
  2. #2
    V. M. O'Leary Sheet Metal & Heating
    “It offers free in-home estimates for new and replacement heating equipment, although repair prices are not listed in the reviewed page.”

Considered and passed

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