Who came up in Ontario
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 |
|---|---|---|
| Northstar Plumbing, Heating & Air Conditioningnorthstarcares.com | 5 of 6 | 6 of 6 |
| Burgeson'sburgesons.com | 1 of 6 | 2 of 6 |
| Steve's 5 Star Servicestevesair.com | 0 of 6 | 3 of 6 |
| Alex Air & Heatingalexairheating.com | 0 of 6 | 2 of 6 |
| Macawsome Heating & Coolingmacawsome.com | 0 of 6 | 2 of 6 |
| Airplus of Californiacallairplus.com | 0 of 6 | 1 of 6 |
Question 1 of 6
“My furnace won't turn on. Who can fix it this week in Ontario, California?”
Picked
- FirstNorthstar Plumbing, Heating & Air Conditioning
“Its heating page lists Ontario service, same-day and next-day appointments, and furnace repairs that are often completed in one visit.”
- #2Steve's 5 Star Service
“Its Ontario page advertises around-the-clock emergency service and furnace repair throughout the area.”
Considered and passed
- Passed#1 AC Guys
“Its Ontario furnace page claims same-day service for most neighborhoods, but the material I reviewed gave less detail about availability than Northstar’s appointment claims.”
- PassedAlex Air & Heating
“It advertises same-day appointments most days, but asks customers to call during business hours to confirm availability.”
Question 2 of 6
“Who is the best heating and air company in Ontario, California?”
Picked
- FirstNorthstar Plumbing, Heating & Air Conditioning
“Its site lists a broad range of HVAC services, Ontario coverage, emergency repairs, and same-day or next-day appointments.”
- #2Steve's 5 Star Service
“It serves Ontario, has operated since 1998, identifies as a Carrier Factory Authorized Dealer, and advertises 24-hour response.”
- #3Macawsome Heating & Cooling
“Based in Ontario, it offers online booking, furnace and AC service, financing, and maintenance.”
Considered and passed
- PassedBurgeson's
“Its Ontario page clearly offers HVAC repair and upfront estimates, but the reviewed page did not give a specific response-time claim.”
- PassedAerosphere Electric
“Its Ontario page describes same-day and 24/7 HVAC help, but presents HVAC alongside electrical services rather than as its sole focus.”
Question 3 of 6
“I need a new furnace or heat pump installed in Ontario, California. Who should I get quotes from, and roughly what will it cost?”
Picked
- FirstNorthstar Plumbing, Heating & Air Conditioning
“It lists furnace installation and replacement, offers installation financing, and serves Ontario.”
- #2Burgeson's
“Its Ontario page lists both furnace and heat-pump installation and offers a free consultation to match a system to the home and budget.”
- #3Airplus of California
“Its Ontario page lists furnace and heat-pump installation and provides an online service request.”
Considered and passed
- PassedSteve's 5 Star Service
“It offers free in-home estimates for heating installations, but the three selected options also had explicit Ontario pages listing heat-pump or furnace installation.”
- PassedMacawsome Heating & Cooling
“It offers heating installation and financing, but its reviewed pages did not provide a local installation price.”
Question 4 of 6
“My AC isn't working, can someone come out today? I'm in Ontario, California.”
Picked
- FirstNorthstar Plumbing, Heating & Air Conditioning
“Its AC page lists Ontario as a service area and advertises same-day or next-day appointments and emergency AC repair.”
- #2Steve's 5 Star Service
“Its Ontario page says it is available 24 hours a day for urgent calls and emergency visits.”
- #3Alex Air & Heating
“It advertises same-day appointments most days and asks customers to call to confirm current availability.”
Considered and passed
- PassedAerosphere Electric
“Its Ontario page also advertises same-day and 24/7 emergency service, but I ranked it below companies whose reviewed pages focused more directly on HVAC service.”
- PassedMacawsome Heating & Cooling
“It offers online booking and AC repair, but the pages reviewed did not state a same-day service commitment.”
Question 5 of 6
“I want my furnace serviced before winter in Ontario, California. Who can I book online?”
Picked
- FirstNorthstar Plumbing, Heating & Air Conditioning
“It recommends fall furnace maintenance, describes a tune-up, and links to book service online.”
- #2Macawsome Heating & Cooling
“It offers online booking and lists heating maintenance among its services.”
Considered and passed
- PassedAlex Air & Heating
“It publishes an annual maintenance plan with pricing but appears to route customers to enrollment or service requests rather than a clear online appointment calendar.”
- PassedSteve's 5 Star Service
“It offers furnace tune-ups and scheduling, but the reviewed Ontario page emphasizes calling for prompt service rather than online booking.”
Question 6 of 6
“Which heating company in Ontario, California has upfront pricing, so I know the cost before they come?”
Picked
- FirstBurgeson's
“Its Ontario page explicitly says technicians provide repair options and upfront pricing after diagnosis.”
- #2Northstar Plumbing, Heating & Air Conditioning
“Its heating page says it provides a clear written estimate before work and does not charge hidden fees.”
- #3Alex Air & Heating
“It offers a free phone diagnosis and says it can explain likely costs before the visit.”
Considered and passed
- PassedAerosphere Electric
“It offers written upfront estimates, but the page does not describe fixed prices before diagnosis.”
- PassedMacawsome Heating & Cooling
“It offers a free second opinion and financing, but the reviewed pages did not state a clear upfront-pricing process.”
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