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

Who an AI assistant picked for HVAC in Merrillville, IN

Four Seasons Mechanical was picked in all 6 questions and ranked first in 5; AAA Services was ranked first for upfront pricing.

Who came up in Merrillville

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

CompanyPicked firstPicked
Four Seasons Mechanical, Inc.fourseasonsmechanical.com5 of 65 of 6
AAA Services, Inc.aaaserviceshvac.com1 of 66 of 6
EcoEdge Systems Heating & Coolingecoedgesystems.com0 of 65 of 6
Cold Air HVAC LLCmycoldairhvac.com0 of 61 of 6
Comfort Aire, Inc.airecomfort.com0 of 61 of 6

Question 1 of 6

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

Picked

  1. First
    Four Seasons Mechanical, Inc.
    “Its site advertises 24-hour emergency service and furnace repair in Northwest Indiana, with customer accounts describing prompt visits and next-day furnace replacement.”
  2. #2
    EcoEdge Systems Heating & Cooling
    “Its Merrillville page lists 24/7 emergency service and says it handles HVAC repair and maintenance.”
  3. #3
    AAA Services, Inc.
    “It offers 24/7 emergency repairs and specifically says it serves Merrillville homeowners.”

Considered and passed

  • Passed
    Apex Heating & Cooling
    “It advertises same-day furnace repair and 24/7 emergency service, but provides less detail on its site about local operating history or customer response examples.”
  • Passed
    Cold Air HVAC LLC
    “Its site promotes 24/7 emergency and same/next-day service, but the surfaced page focuses on furnace and AC installation rather than furnace repair.”

Question 2 of 6

“Who is the best heating and air company in Merrillville, Indiana?”

Picked

  1. First
    Four Seasons Mechanical, Inc.
    “It is based in Merrillville, says it has served Northwest Indiana since 2000, and offers residential heating and cooling with 24-hour service.”
  2. #2
    EcoEdge Systems Heating & Cooling
    “Its Merrillville page describes a family-owned local HVAC business founded in 2013 with emergency service and free estimates within 24 hours.”
  3. #3
    AAA Services, Inc.
    “It offers a wide range of residential heating and cooling services in Merrillville, including emergency repair, installation, and maintenance.”

Considered and passed

  • Passed
    Comfort Aire, Inc.
    “It advertises low service-call and installation prices, but the page gives limited detail about the scope and conditions behind its furnace installation starting price.”
  • Passed
    Rearick's Heating & Cooling
    “It serves Merrillville for heating and cooling, but its site presents less evidence of all-hours emergency availability than the top options.”

Question 3 of 6

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

Picked

  1. First
    Four Seasons Mechanical, Inc.
    “It installs and replaces furnaces in Northwest Indiana and offers financing.”
  2. #2
    AAA Services, Inc.
    “It offers HVAC installation in Merrillville and says it provides transparent pricing and financing.”
  3. #3
    EcoEdge Systems Heating & Cooling
    “It offers new heating-system installation, estimates, and warranties in Merrillville.”

Considered and passed

  • Passed
    Comfort Aire, Inc.
    “It publishes a starting price for furnace installation, but I would confirm the current price, included work, and equipment specifications directly before treating it as a comparable quote.”
  • Passed
    Cold Air HVAC LLC
    “It offers furnace installation and free upfront quotes, but its page does not show installation prices.”

Question 4 of 6

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

Picked

  1. First
    Four Seasons Mechanical, Inc.
    “It offers AC repair in Northwest Indiana and advertises 24-hour emergency service, with a customer account of a fast visit on a holiday weekend.”
  2. #2
    EcoEdge Systems Heating & Cooling
    “Its Merrillville service page lists 24/7 emergency service for HVAC calls.”
  3. #3
    AAA Services, Inc.
    “It offers 24/7 emergency repairs and lists air conditioning service for Merrillville.”

Considered and passed

  • Passed
    Apex Heating & Cooling
    “It states 24/7 availability for emergencies, but the page reviewed centered on furnace repair rather than a Merrillville AC-repair service page.”
  • Passed
    Comfort Aire, Inc.
    “It offers AC repair and a low service-call price, but its page did not make a clear same-day or 24/7 response claim.”

Question 5 of 6

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

Picked

  1. First
    Four Seasons Mechanical, Inc.
    “It provides furnace maintenance and lets customers request an appointment online.”
  2. #2
    AAA Services, Inc.
    “It recommends fall furnace tune-ups and provides an online service request.”
  3. #3
    EcoEdge Systems Heating & Cooling
    “It offers seasonal tune-ups and lets Merrillville customers request a service appointment online.”

Considered and passed

  • Passed
    Rearick's Heating & Cooling
    “It offers furnace tune-ups but the pages reviewed direct customers to call for scheduling rather than showing online appointment booking.”
  • Passed
    Comfort Aire, Inc.
    “It advertises furnace clean-and-check service, but I did not verify online appointment booking on its site.”

Question 6 of 6

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

Picked

  1. First
    AAA Services, Inc.
    “It explicitly promises transparent quotes and publishes maintenance-plan prices and diagnostic charges.”
  2. #2
    Cold Air HVAC LLC
    “It promises transparent upfront pricing after an in-home assessment and advertises free upfront quotes.”
  3. #3
    Comfort Aire, Inc.
    “It publishes a $39 service-call price and furnace installation starting prices.”

Considered and passed

  • Passed
    Four Seasons Mechanical, Inc.
    “Its site mentions free estimates and financing but does not publish rates or expressly promise upfront pricing on the pages reviewed.”
  • Passed
    EcoEdge Systems Heating & Cooling
    “It promises clear pricing and explanations, but does not publish a service-call or installation price on the Merrillville page.”

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