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

Who an AI assistant picked for HVAC in Wheeling, IL

Across the six questions, Teutonic Temperature Control was picked 5 times and ranked first once; Four Seasons was picked 4 times, including first place once; HVAC Eco Solution was picked twice, both times first.

Who came up in Wheeling

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

CompanyPicked firstPicked
Teutonic Temperature Controlteutonichvac.com2 of 66 of 6
Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electricfourseasonsheatingcooling.com2 of 65 of 6
HVAC Eco Solutionhvacuspro.com2 of 62 of 6

Question 1 of 6

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

Picked

  1. First
    Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric
    “Its Wheeling furnace page specifically advertises 24/7 emergency repairs, no after-hours surcharge, and 350 stocked trucks.”
  2. #2
    Teutonic Temperature Control
    “The Wheeling-based company advertises 24/7 emergency service and repairs all makes and models.”

Considered and passed

  • Passed
    Home Guard Heating & Air
    “Its site describes furnace repair and replacement in Wheeling, but the pages I could read did not state emergency or same-day availability.”
  • Passed
    HVAC Eco Solution
    “It advertises same-day service and emergency repairs, but I could not read its service page in detail.”

Question 2 of 6

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

Picked

  1. First
    Teutonic Temperature Control
    “It is based in Wheeling, offers residential heating and cooling service, and advertises 24/7 emergency availability.”
  2. #2
    Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric
    “It serves Wheeling with furnace repair and replacement, 24/7 emergency service, and online appointment requests.”

Considered and passed

  • Passed
    TDH Mechanical
    “It lists Wheeling furnace and AC service and says it has served the area since 1988, but the page gives less detail about emergency availability or booking.”
  • Passed
    Home Guard Heating & Air
    “It offers residential furnace and AC repair and installation, but the pages I could read provided fewer specific service and availability details.”

Question 3 of 6

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

Picked

  1. First
    Teutonic Temperature Control
    “Its Wheeling site lists heating installation and replacement and carries furnaces and heat pumps.”
  2. #2
    Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric
    “Its Wheeling page offers furnace replacement, free customized estimates, and financing.”

Considered and passed

  • Passed
    Home Guard Heating & Air
    “It offers furnace replacement in Wheeling, but the pages I could read did not provide a price range or detailed quote process.”
  • Passed
    HVAC Eco Solution
    “It advertises HVAC repair and replacement financing, but I could not read enough installation information to compare it confidently.”

Question 4 of 6

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

Picked

  1. First
    HVAC Eco Solution
    “It explicitly advertises same-day HVAC repair across the north suburbs and a 24/7 emergency line.”
  2. #2
    Teutonic Temperature Control
    “It is based in Wheeling and advertises 24/7 emergency service for heating and cooling.”

Considered and passed

Question 5 of 6

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

Picked

  1. First
    Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric
    “It offers online scheduling and its Wheeling furnace page recommends annual tune-ups and inspections.”
  2. #2
    Teutonic Temperature Control
    “It advertises a $158 HVAC tune-up and provides an online service request form.”

Considered and passed

  • Passed
    Discount Heating & Cooling
    “Its Carrier dealer page offers online appointment scheduling for furnace repair and maintenance, but I did not find a specific pre-winter tune-up price.”
  • Passed
    Kern Heating & Cooling
    “Its Wheeling page offers online scheduling and maintenance, but I could not confirm its exact service availability for this location.”

Question 6 of 6

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

Picked

  1. First
    HVAC Eco Solution
    “Its repair page explicitly advertises clear, upfront pricing.”
  2. #2
    Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric
    “Its homepage advertises fair upfront pricing, and its Wheeling furnace page says replacement estimates are customized with no hidden fees.”
  3. #3
    Teutonic Temperature Control
    “Its site displays a $158 HVAC tune-up price, though it does not publish general repair prices.”

Considered and passed

  • Passed
    Discount Heating & Cooling
    “Its Carrier dealer page says technicians provide a detailed estimate after evaluation, but does not publish a visit or repair price in advance.”
  • Passed
    Home Guard Heating & Air
    “Its furnace page emphasizes diagnosing and repairing only what is needed, but I did not find published visit or repair prices.”

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