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

Who an AI assistant picked for HVAC in San Jose, CA

IRBIS Air, Plumbing & Electrical was picked first in all 6 questions and appeared in all 6 recommendation lists.

Four assistants' answers for San Jose

Who came up in San Jose

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

CompanyPicked firstPicked
IRBIS Air, Plumbing & Electricalirbishvac.com6 of 66 of 6
Therma Techthermatechhvac.com0 of 65 of 6
Freon Servicefreonhvac.com0 of 63 of 6
Air Care Heating & Coolingaircareheatandcool.com0 of 62 of 6
Pacific Coast Home Servicespc-homeservices.com0 of 62 of 6

Question 1 of 6

“My furnace won't turn on. Who can fix it this week in San Jose?”

Picked

  1. First
    IRBIS Air, Plumbing & Electrical
    “Its San Jose furnace page explicitly advertises same-day repair, online booking, and troubleshooting for furnaces that will not start.”
  2. #2
    Pacific Coast Home Services
    “Its heating page advertises 24/7 emergency furnace repair, a two-hour appointment window, and upfront pricing.”
  3. #3
    Therma Tech
    “Its San Jose service page says same-day appointments are available for heating and cooling repair.”

Considered and passed

  • Passed
    SJ Furnace Repair and Air
    “It advertises same-day appointments but its site provides less detail about scheduling and furnace diagnostics than the selected companies.”
  • Passed
    RR Heating & Air Conditioning
    “It advertises same-day service and furnace repair, but provides fewer details about booking and pricing.”

Question 2 of 6

“Who is the best heating and air company in San Jose?”

Picked

  1. First
    IRBIS Air, Plumbing & Electrical
    “Its site combines San Jose residential HVAC service, a 4.9 Google rating with roughly 1,600 reviews, Carrier credentials, and written warranty details.”
  2. #2
    Therma Tech
    “It is a San Jose HVAC company advertising local service, same-day appointments, and flat-rate pricing locked before work starts.”
  3. #3
    Air Care Heating & Cooling
    “Its San Jose furnace page explains a system design process and notes five consecutive years of Diamond Certified recognition.”

Considered and passed

  • Passed
    Supreme Comfort HVAC
    “It offers residential heating and cooling but also emphasizes commercial service and gives less online detail about scheduling or customer reviews.”
  • Passed
    Pacific Coast Home Services
    “It has detailed emergency and pricing claims, but the homepage presents a broad mix of HVAC, plumbing, electrical, and remodeling services.”

Question 3 of 6

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

Picked

  1. First
    IRBIS Air, Plumbing & Electrical
    “It installs furnaces and heat pumps, offers written estimate options, and identifies potential Bay Area rebates.”
  2. #2
    Air Care Heating & Cooling
    “It describes a home-specific system design process that measures heating load and reviews airflow and duct conditions before installation.”
  3. #3
    Freon Service
    “It publishes example HVAC installation prices and provides written estimates before work begins.”

Considered and passed

  • Passed
    Pacific Coast Home Services
    “It offers furnace installation but does not show a clear online installation price in the heating page reviewed.”
  • Passed
    Supreme Comfort HVAC
    “It offers furnace and heat-pump installation with free estimates, but the reviewed page does not show example prices.”

Question 4 of 6

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

Picked

  1. First
    IRBIS Air, Plumbing & Electrical
    “It lists same-day availability for residential breakdowns and provides San Jose AC repair service.”
  2. #2
    Therma Tech
    “It advertises same-day service and says most AC repairs are fixed the same day.”
  3. #3
    Pacific Coast Home Services
    “Its site lists 24/7 emergency AC repair for San Jose and an appointment window for service.”

Considered and passed

  • Passed
    Freon Service
    “It handles AC repair and online scheduling but the reviewed page did not state same-day availability.”
  • Passed
    Air Care Heating & Cooling
    “It offers AC repair, but the pages reviewed did not make a same-day service claim.”

Question 5 of 6

“I want my furnace serviced before winter in San Jose. Who can I book online?”

Picked

  1. First
    IRBIS Air, Plumbing & Electrical
    “Its San Jose furnace page offers furnace maintenance and an online Book Now path.”
  2. #2
    Therma Tech
    “It lists tune-ups and maintenance and provides an online scheduler link.”
  3. #3
    Freon Service
    “It offers heating maintenance and lets customers request service through an online form.”

Considered and passed

  • Passed
    Pacific Coast Home Services
    “It offers furnace tune-ups but its reviewed heating page directs customers to call or use a contact page rather than showing direct online scheduling.”

Question 6 of 6

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

Picked

  1. First
    IRBIS Air, Plumbing & Electrical
    “It states that it presents flat-rate estimates upfront with no parts markup before work begins.”
  2. #2
    Freon Service
    “It promises a written estimate before work and publishes example installation prices.”
  3. #3
    Therma Tech
    “It says its flat-rate price is locked before work starts.”

Considered and passed

  • Passed
    Pacific Coast Home Services
    “It advertises upfront pricing but the reviewed page does not list specific service-call or repair prices.”
  • Passed
    Air Care Heating & Cooling
    “It says it provides upfront options after diagnosis, but the reviewed pages do not display fixed prices.”

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