Who an AI assistant picked for HVAC in Detroit, MI

Who came up in Detroit

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

Company	Picked first	Picked
Randazzo Heating, Cooling, and Electricalcallrandazzo.com	5 of 6	6 of 6
National Heating & Coolingnationalheating.com	1 of 6	4 of 6
Manning Mechanicalmanningheatingdetroit.com	0 of 6	4 of 6
Blue-Ray Mechanicalblueraymechanical.com	0 of 6	2 of 6

Question 1 of 6

First
National Heating & Cooling
“It has repaired Detroit furnaces since 1958 and describes local no-heat diagnosis and service.”
#2
Manning Mechanical
“It has a dedicated furnace repair page and is based in Detroit.”
#3
Randazzo Heating, Cooling, and Electrical
“It serves Detroit and lets homeowners schedule service online.”

Passed
Blue-Ray Mechanical
“Its site claims service is usually same day, but it gives less detail about its Detroit furnace repair process than National or Manning.”

Question 2 of 6

First
Randazzo Heating, Cooling, and Electrical
“Its site combines Metro Detroit coverage, online scheduling, one-day installs, and nearly 7,000 five-star reviews.”
#2
National Heating & Cooling
“It has been repairing furnaces in Detroit since 1958 and serves Detroit homeowners.”
#3
Manning Mechanical
“It is Detroit-based and highlights its specialty hydronic piping license for boiler systems.”

Passed
Blue-Ray Mechanical
“It advertises 70 years of service and family ownership, but its site provides fewer specific local service details than the three selected.”

Question 3 of 6

First
Randazzo Heating, Cooling, and Electrical
“It advertises free replacement estimates and says its team can install a new heating system in one day.”
#2
National Heating & Cooling
“It is a long-standing Detroit furnace service company with local residential heating experience.”
#3
Manning Mechanical
“It offers furnace and boiler installation and is based in Detroit.”

Passed
Blue-Ray Mechanical
“It offers installation and free estimates, but I found less detail about its installation process than the selected companies.”

Question 4 of 6

First
Randazzo Heating, Cooling, and Electrical
“It serves Detroit, offers online scheduling, and says it responds to urgent breakdowns.”
#2
Blue-Ray Mechanical
“It says its service is usually same day and advertises 24/7 service.”
#3
Manning Mechanical
“It serves Detroit and lists cooling and AC repair services.”

Passed
National Heating & Cooling
“Its pages I reviewed focused on furnace repair and did not establish same-day AC availability.”

Question 5 of 6

First
Randazzo Heating, Cooling, and Electrical
“It offers online appointment scheduling and heating services across Metro Detroit.”
#2
National Heating & Cooling
“It offers furnace maintenance and an online service request option.”
#3
Blue-Ray Mechanical
“It lists fall and spring start-ups along with repair and maintenance services.”

Passed
Manning Mechanical
“Its scheduling page is a service request form, and it does not clearly offer calendar-based online booking.”

Question 6 of 6

First
Randazzo Heating, Cooling, and Electrical
“It says estimates are free for replacement quotes and service calls, although it does not publish repair prices on the reviewed page.”

Passed
Manning Mechanical
“The pages reviewed do not publish service prices or a diagnostic fee.”
Passed
National Heating & Cooling
“The furnace repair page explains its service but does not publish a repair price or diagnostic fee.”

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