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

Who an AI assistant picked for HVAC in Charleston, SC

M&B Heating and Air was picked in all 6 questions and ranked first in 5; Carney & Son 72 Degrees was ranked first once.

Four assistants' answers for Charleston

Who came up in Charleston

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

CompanyPicked firstPicked
M&B Heating and Airmyattandbates.com5 of 65 of 6
Carney & Son 72 Degreescarneyandson.com1 of 65 of 6
Blue Collarsbluecollars.com0 of 65 of 6
Carolina Climate Controlcarolinaclimatecontrolsc.com0 of 63 of 6

Question 1 of 6

“My furnace won't turn on. Who can fix it this week in Charleston, South Carolina?”

Picked

  1. First
    M&B Heating and Air
    “Its furnace repair page promises 24/7 service, quick responses, and says most heating repairs are completed in one visit.”
  2. #2
    Carney & Son 72 Degrees
    “It advertises furnace repair appointments within 24 hours and says it explains pricing before work begins.”
  3. #3
    Blue Collars
    “Its Charleston heating page advertises same-day furnace repair and emergency service at any time of day or night.”

Considered and passed

  • Passed
    Carolina Climate Control
    “Its heating and AC pages promote 24/7 service, but the site says emergency service is available case by case rather than promising a particular response time.”
  • Passed
    Myatt Air Conditioning
    “It offers furnace repair and emergency service, but its stated business hours are weekdays and it gives no specific furnace response-time promise.”

Question 2 of 6

“Who is the best heating and air company in Charleston, South Carolina?”

Picked

  1. First
    M&B Heating and Air
    “It pairs long local service history with NATE-certified lead technicians, after-hours service, and stated customer guarantees.”
  2. #2
    Carney & Son 72 Degrees
    “It is a locally owned, family-operated Charleston business whose site describes three generations of Carneys serving the area.”
  3. #3
    Blue Collars
    “It offers 24-hour HVAC services and says it gives the repair price before work starts.”

Considered and passed

  • Passed
    Carolina Climate Control
    “Its site states it has served Charleston since 2014 and offers financing and upfront estimates, but provides less published detail about technician certifications and guarantees than my top pick.”
  • Passed
    Myatt Air Conditioning
    “It is a local furnace and HVAC provider, but its site’s service description and emergency details are less extensive than M&B’s.”

Question 3 of 6

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

Picked

  1. First
    M&B Heating and Air
    “It installs furnaces and heat pumps and offers a free system evaluation, with installation sized to the home’s capacity needs.”
  2. #2
    Carney & Son 72 Degrees
    “It installs heating systems and offers free in-home replacement estimates with options and pricing explained.”
  3. #3
    Carolina Climate Control
    “It serves Charleston and offers a free replacement estimate for HVAC systems.”

Considered and passed

  • Passed
    Blue Collars
    “It provides heating installation, but I found fewer specific details on the pages reviewed about a free replacement estimate or system-sizing process.”
  • Passed
    Myatt Air Conditioning
    “It installs furnaces and heat pumps, but its website does not publish a price range or a specific replacement estimate process.”

Question 4 of 6

“My AC isn't working, can someone come out today? I'm in Charleston, South Carolina.”

Picked

  1. First
    M&B Heating and Air
    “It offers after-hours HVAC service and says it responds promptly to service inquiries.”
  2. #2
    Blue Collars
    “It says its Charleston AC repair team is available 365 days a year and has rapid emergency response.”
  3. #3
    Carolina Climate Control
    “It advertises fast 24/7 HVAC service and emergency service on a case-by-case basis.”

Considered and passed

  • Passed
    Carney & Son 72 Degrees
    “Its site describes appointments within 24 hours, but does not promise same-day AC service.”
  • Passed
    Myatt Air Conditioning
    “It offers emergency service but lists weekday business hours and no specific same-day response claim.”

Question 5 of 6

“I want my furnace serviced before winter in Charleston, South Carolina. Who can I book online?”

Picked

  1. First
    M&B Heating and Air
    “Its Cool Club includes fall seasonal tune-ups, and its site links to online maintenance scheduling.”
  2. #2
    Blue Collars
    “It offers heating maintenance and has an online service scheduling form.”
  3. #3
    Carney & Son 72 Degrees
    “Its Preferred Comfort Club provides regular HVAC maintenance and the site accepts online appointment requests.”

Considered and passed

  • Passed
    Carolina Climate Control
    “It has an online scheduling form and a maintenance plan, but the reviewed pages did not specifically describe a pre-winter furnace tune-up.”
  • Passed
    Myatt Air Conditioning
    “It offers tune-ups and service agreements, but its reviewed site directs customers to request service rather than showing direct booking availability.”

Question 6 of 6

“Which heating company in Charleston, South Carolina has upfront pricing, so I know the cost before they come?”

Picked

  1. First
    Carney & Son 72 Degrees
    “Its furnace repair page says it explains diagnostic costs and repair pricing before work begins.”
  2. #2
    Blue Collars
    “It says it provides upfront pricing and gives customers the repair price before work starts.”
  3. #3
    Carolina Climate Control
    “It advertises fast, upfront, honest pricing and says estimates have no surprises.”

Considered and passed

  • Passed
    M&B Heating and Air
    “It describes fair prices and free system evaluations but does not clearly state on the reviewed pages that repair prices are given before work starts.”
  • Passed
    Myatt Air Conditioning
    “Its site mentions financing and service agreements but does not describe upfront repair pricing.”

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