What is the phone number for O'Brien Heating & Cooling?

(847) 662-5136. You call O'Brien Heating & Cooling directly; AssistAnt never sits in the middle.

Where is O'Brien Heating & Cooling?

O'Brien Heating & Cooling serves Waukegan, IL as a service-area business (no street address shown).

Is O'Brien Heating & Cooling still in business?

Listed from public business records, last updated September 30, 2026. Call to confirm.

Is O'Brien Heating & Cooling licensed and insured?

Not verified by AssistAnt yet. Ask for proof of license and insurance before you hire.

Who else is near Waukegan?

AssistAnt lists 352 HVAC companies near Waukegan. Closest to O'Brien Heating & Cooling: Herchenbach Mechanical Inc. (0.7 mi), Robinson Heating & Cooling (1.0 mi), Signature Heating & Cooling (1.1 mi).

O'Brien Heating & Cooling · (847) 662-5136

AssistAnt › Pro directory › Waukegan, IL

What we do

Services

❄️Heating & air conditioning (HVAC)

Checked, with dates

🧾 Trust Card · 2 receipts

Listed in the AssistAnt 24/7 directoryBusiness record from Overture Maps open business data (CDLA-Permissive-2.0).
Sep 30
Shown as open for business in the source dataOperating status in the business record.
Sep 30

Not verified yet: Owner has not confirmed this listing yet; License and insurance not reviewed by AssistAnt yet; No AssistAnt job history linked to this listing yet.

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In their words

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Where

Service area

Map of the Waukegan, IL area (© Google). Is this your business? Claim it and put up your own photos →

About O'Brien Heating & Cooling

O'Brien Heating & Cooling is listed on AssistAnt for heating & air conditioning (hvac) in Waukegan, IL.

Built from public business information. Call to confirm before you go.

Contact

Phone: (847) 662-5136
Website: obrienheat.com
Location: Waukegan, IL, 60085 (service area)
Booking: Not bookable online yet. Call the business directly.

Listed from public recordsNot verified yet. Details come from open business data and may be out of date.See the Trust Card: what we checked, how and when →

Quick facts about O'Brien Heating & Cooling

What is the phone number for O'Brien Heating & Cooling?: (847) 662-5136. You call O'Brien Heating & Cooling directly; AssistAnt never sits in the middle.
Where is O'Brien Heating & Cooling?: O'Brien Heating & Cooling serves Waukegan, IL as a service-area business (no street address shown).
Is O'Brien Heating & Cooling still in business?: Listed from public business records, last updated September 30, 2026. Call to confirm.
Is O'Brien Heating & Cooling licensed and insured?: Not verified by AssistAnt yet. Ask for proof of license and insurance before you hire.
Who else is near Waukegan?: AssistAnt lists 352 HVAC companies near Waukegan. Closest to O'Brien Heating & Cooling: Herchenbach Mechanical Inc. (0.7 mi), Robinson Heating & Cooling (1.0 mi), Signature Heating & Cooling (1.1 mi).

On AssistAnt 24/7

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AI Visibility Score

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What the AIs say

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Other HVAC companies nearby

Herchenbach Mechanical Inc.Gurnee, IL · 0.7 mi
Robinson Heating & CoolingWaukegan, IL · 1.0 mi
Signature Heating & CoolingGurnee, IL · 1.1 mi
Modern Heating & Plumbing Co.Gurnee, IL · 1.6 mi
Jasso Hvac-rWaukegan, IL · 1.8 mi
Olson Comfort Services Heating & CoolingWaukegan, IL · 2.0 mi

All HVAC companies near Waukegan, IL (352) →

Every trade and local freelancer in Waukegan →

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