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

Who an AI assistant picked for HVAC in Crystal Lake, IL

Across six questions, Airwave Heating and Cooling was picked 6 times and first 3 times; Northern Continental Heating & Cooling was picked 5 times and first once.

Who came up in Crystal Lake

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

CompanyPicked firstPicked
Airwave Heating and Coolingairwave-hvac.com2 of 66 of 6
Northern Continental Heating & Cooling, Inc.northerncontinental.net2 of 65 of 6
Arctic Heating & Coolingarcticheatingandcooling.com1 of 63 of 6
Campbell's TempraCuretrwebcreations.com1 of 61 of 6
Dives Inc. Heating & Coolinghvacdives.com0 of 61 of 6
Nick's Action Airnicksactionair.com0 of 61 of 6
Platinum Heating and Coolingplatinumheatingandcooling.com0 of 61 of 6

Question 1 of 6

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

Picked

  1. First
    Airwave Heating and Cooling
    “Its Crystal Lake furnace page explicitly offers same-day standard calls, 24/7 emergency response, and combustion and heat-exchanger checks on every visit.”
  2. #2
    Northern Continental Heating & Cooling, Inc.
    “The Crystal Lake company lists furnace repair and 24-hour emergency service.”
  3. #3
    Nick's Action Air
    “Its Crystal Lake furnace repair page says it serves the city and tries to reach urgent calls the same day.”

Considered and passed

  • Passed
    Arctic Heating & Cooling
    “It serves Crystal Lake and offers furnace work, but its site does not state a same-day or 24-hour response commitment.”
  • Passed
    WeatherWise Heating & Cooling
    “It advertises emergency furnace repair and upfront pricing, but gives no specific response time.”

Question 2 of 6

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

Picked

  1. First
    Northern Continental Heating & Cooling, Inc.
    “It has served the area since 1980, offers broad heating and cooling work with 24-hour emergency service, and its listing shows 4.8 stars across 132 Google reviews.”
  2. #2
    Airwave Heating and Cooling
    “Its local furnace page provides specific service details, emergency availability, and repair price ranges.”
  3. #3
    Arctic Heating & Cooling
    “It has been based in Crystal Lake since 2013 and offers furnace repair, installation, and maintenance.”

Considered and passed

  • Passed
    Campbell's TempraCure
    “It has a long local history and strong service claims, but the available company site appears dated and its current review totals were not verified.”
  • Passed
    Dives Inc. Heating & Cooling
    “It serves Crystal Lake and advertises 24/7 service, but its site offers less specific service and pricing detail than the top choices.”

Question 3 of 6

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

Picked

  1. First
    Northern Continental Heating & Cooling, Inc.
    “It installs heating and cooling systems locally and has served the area since 1980.”
  2. #2
    Arctic Heating & Cooling
    “It installs furnaces in Crystal Lake and offers equipment options at different efficiency levels.”
  3. #3
    Airwave Heating and Cooling
    “It serves Crystal Lake and publishes installed furnace price ranges by efficiency tier.”

Considered and passed

  • Passed
    Campbell's TempraCure
    “It installs and replaces furnaces, but the pages reviewed do not publish equipment installation prices.”
  • Passed
    Dives Inc. Heating & Cooling
    “It offers system replacement, but its site does not provide a furnace or heat-pump installation price range.”

Question 4 of 6

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

Picked

  1. First
    Airwave Heating and Cooling
    “Its local service page states same-day service for standard calls and 24/7 emergency response.”
  2. #2
    Northern Continental Heating & Cooling, Inc.
    “The local company lists air-conditioning repair and 24-hour emergency service.”
  3. #3
    Dives Inc. Heating & Cooling
    “It serves Crystal Lake and advertises 24/7 emergency service for AC and other HVAC issues.”

Considered and passed

  • Passed
    Arctic Heating & Cooling
    “It offers air-conditioning services in the area, but the pages reviewed do not make a same-day response claim.”
  • Passed
    Platinum Heating and Cooling
    “It serves residential customers from a Crystal Lake address, but the site does not state same-day availability.”

Question 5 of 6

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

Picked

  1. First
    Arctic Heating & Cooling
    “It offers furnace maintenance and inspection locally and provides a contact form for scheduling inquiries.”
  2. #2
    Northern Continental Heating & Cooling, Inc.
    “It lists furnace service among its offerings and provides local contact details.”
  3. #3
    Airwave Heating and Cooling
    “Its service menu includes furnace tune-ups for area homeowners.”

Considered and passed

  • Passed
    Campbell's TempraCure
    “It offers heating service and maintenance agreements, but I found no confirmed online appointment calendar.”
  • Passed
    Dives Inc. Heating & Cooling
    “Its site has a Book Now label, but the page content reviewed did not confirm that a customer can complete an online booking.”

Question 6 of 6

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

Picked

  1. First
    Campbell's TempraCure
    “Its site explicitly says it offers upfront pricing so customers know repair costs before paying.”
  2. #2
    Airwave Heating and Cooling
    “It publishes common repair price ranges and says it provides an itemized written estimate before work begins.”
  3. #3
    Platinum Heating and Cooling
    “It publishes service-call, hourly labor, and maintenance-cleaning prices on its website.”

Considered and passed

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