Who an AI assistant picked for HVAC in St. Charles, IL

Who came up in St. Charles

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

Company	Picked first	Picked
McNally's Heating & Coolingmcnallyhvac.com	5 of 6	6 of 6
Miracle Mechanical Corp.miraclemech.com	1 of 6	5 of 6
TDH Mechanical, Inc.tdhmechanical.com	0 of 6	4 of 6
G&R Heating & Airgrheatingcooling-stcharles.com	0 of 6	1 of 6

Question 1 of 6

First
McNally's Heating & Cooling
“Its site offers 24/7 emergency furnace repair and lists a St. Charles office.”
#2
TDH Mechanical, Inc.
“It has a St. Charles furnace repair page and says 24/7 emergency service is available.”
#3
Miracle Mechanical Corp.
“It serves St. Charles and advertises 24/7 emergency HVAC service.”

Passed
G&R Heating & Air
“It offers furnace repair locally, but the pages I read did not specify emergency or 24/7 response.”

Question 2 of 6

First
McNally's Heating & Cooling
“Its website displays 4.9 stars from 2,949 Google reviews and describes its St. Charles service, awards, and warranties.”
#2
G&R Heating & Air
“It serves St. Charles, names its owners, and describes itself as family-owned and operated.”

Passed
Miracle Mechanical Corp.
“It offers local residential HVAC and says it has over 25 years of experience, but its site provided less review and award evidence than McNally’s.”

Question 3 of 6

First
McNally's Heating & Cooling
“It installs and replaces furnaces and heat pumps and says it provides free replacement estimates.”
#2
TDH Mechanical, Inc.
“It serves St. Charles for furnace work, though the page I read gives repair cost ranges rather than an installation quote.”
#3
Miracle Mechanical Corp.
“It offers residential HVAC installation and replacement with free estimates.”

Passed
Performance Heating & Air
“Its site lists heating installation and financing, but the pages I read did not provide a price range.”

Question 4 of 6

First
McNally's Heating & Cooling
“It advertises 24/7 AC repair and lists its St. Charles service office.”
#2
TDH Mechanical, Inc.
“It serves St. Charles and advertises 24/7 emergency service.”
#3
Miracle Mechanical Corp.
“It serves St. Charles and advertises 24/7 emergency HVAC services.”

Passed
G&R Heating & Air
“Its site offers local AC repair, but the pages I read did not state a same-day or 24/7 response.”

Question 5 of 6

First
McNally's Heating & Cooling
“Its site offers Schedule Now and lists furnace maintenance and its maintenance plan.”
#2
Miracle Mechanical Corp.
“It has an online service request form and offers furnace cleaning.”

Passed
TDH Mechanical, Inc.
“It serves St. Charles for furnace service, but online booking was not clear on the pages I read.”

Question 6 of 6

First
Miracle Mechanical Corp.
“It states that customers receive a clear upfront quote and a free estimate before work starts.”
#2
McNally's Heating & Cooling
“It advertises honest upfront repair pricing and free replacement estimates.”
#3
TDH Mechanical, Inc.
“Its furnace repair page provides a typical repair cost range while noting that costs depend on the issue.”

Passed
G&R Heating & Air
“It mentions honest upfront quotes for new construction, but I did not find a published residential service price.”

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