Who an AI assistant picked for HVAC in Prospect Heights, IL

Who came up in Prospect Heights

Every company the assistant named across the six questions, ordered by how often it was picked first. Tested on 2026-10-01.

Company	Picked first	Picked
Duct Professor Heating & Coolingductprofessor.com	5 of 6	6 of 6
Aire Serv of Glenbrookaireserv.com	1 of 6	6 of 6
TDH Mechanical, Inc.chicagotdhmechanical.com	0 of 6	1 of 6

Question 1 of 6

First
Duct Professor Heating & Cooling
“It has a Prospect Heights address, lists furnace repair, and advertises 24/7 service.”
#2
Aire Serv of Glenbrook
“Its local furnace page offers furnace repair and describes 24/7 emergency HVAC support.”
#3
TDH Mechanical, Inc.
“It handles residential furnace repair and says it serves surrounding Cook County communities.”

Passed
Fireside Heating & Air
“Its local page makes detailed same-day and pricing claims, but I could not verify its company history or local presence from an independent source in this run.”
Passed
Air Kings
“Its local page describes repair and emergency response, but provides less locally specific evidence than the top picks.”

Question 2 of 6

First
Duct Professor Heating & Cooling
“Its local address and range of residential heating and cooling services are directly stated on its site.”
#2
Aire Serv of Glenbrook
“Its local pages describe furnace and AC repair, emergency service, and upfront estimates.”

Passed
TDH Mechanical, Inc.
“Its repair and maintenance offerings are clear, but its pages emphasize Chicago, Lincolnwood, and Oak Park more than Prospect Heights.”
Passed
Fireside Heating & Air
“It provides a local service page, but the claims and company details could not be corroborated beyond that page in this run.”

Question 3 of 6

First
Duct Professor Heating & Cooling
“It lists furnace replacement and heat pumps for Prospect Heights and invites homeowners to request a quote.”
#2
Aire Serv of Glenbrook
“Its local page describes furnace installation and replacement with estimates based on the home and budget.”

Passed
TDH Mechanical, Inc.
“It offers furnace replacement, but the pages reviewed are less specific to Prospect Heights than the selected local service pages.”

Question 4 of 6

First
Duct Professor Heating & Cooling
“It lists AC repair for Prospect Heights and advertises 24/7 service.”
#2
Aire Serv of Glenbrook
“Its local page says technicians can finish most jobs the same day and support emergency calls 24/7.”

Passed
TDH Mechanical, Inc.
“It offers AC service in its broader Chicago area, but I did not find a specific same-day Prospect Heights claim on its pages.”
Passed
The Price Is Right HVAC
“It lists Prospect Heights AC repair, but the page reviewed did not make a clear same-day arrival commitment.”

Question 5 of 6

First
Duct Professor Heating & Cooling
“It lists furnace maintenance and provides a contact link from its home page.”
#2
Aire Serv of Glenbrook
“Its local page offers tune-ups and maintenance with a schedule-service option.”

Passed
TDH Mechanical, Inc.
“It offers annual tune-ups, but the reviewed pages direct customers to call or request service rather than confirming an online booking.”

Question 6 of 6

First
Aire Serv of Glenbrook
“Its local page describes a flat-rate price and written estimate before work starts.”
#2
Duct Professor Heating & Cooling
“Its home page advertises upfront pricing for local HVAC service.”

Passed
TDH Mechanical, Inc.
“The repair page discusses variable repair costs but does not describe a clear upfront pricing process.”

We run the questions your customers ask against your business every month and show you what the assistants saw.