O'Callaghan Heating & Air Conditioning
Market rank
#6 / 6
O'Callaghan Heating & Air Conditioning provides hvac services in Atlanta, GA. Use this page to review business details, compare ratings, and contact the company directly about your project.
Health scoreApr 20, 2026
30
out of 100
#6
Market rank
4.9
Avg rating
587
Total reviews
No public response signal
Response rate
Unknown
Years active
30
Health score
Health score · 30 / 100
Six signals, weighted continuously.
Operator computes a Health score continuously. It is the one number that tells you if this shop is winning, losing, or steady. Here is how O'Callaghan Heating & Air Conditioning broke down on Apr 20, 2026.
Score trend
30d90d1y
O'Callaghan Heating & Air Conditioning
90 days trailing
Market position
#6 of 6 HVAC in Atlanta.
Operator ranks every hvac in Atlanta continuously using reviews, response rate, and local market share.
#6
of 6 HVAC businesses
in Atlanta
in Atlanta
Leaderboard refreshes continuously. Your rank updates the moment signal lands.
HVAC · Atlanta
Top 5 shown
1
TE Certified, Electrical, Plumbing, Heating & Cooling
11,943
2
Estes Services
4,676
3
Comfort Atlanta Heating & Air
411
4
Empire Heating & Air Conditioning Inc
1,151
Recent activity
What changed this month.
No notable shifts in the past 30 days. Operator will flag movement the moment it happens.
In person
The shop, the team, the work.
The numbers tell one story. The photos tell another. Images are indexed from Google Business Profile, the public website, and connected social profiles.
Reviews · 587 total
What customers say.
Reviews pulled continuously from Google, Yelp, and Meta. Aggregate weighted by recency and source authority.
4.9★★★★★587 reviews
5 ★
303
4 ★
151
3 ★
76
2 ★
38
1 ★
19
Review themes refresh continuously. Check back once Operator has synthesized enough comments from O'Callaghan Heating & Air Conditioning’s reviews.
About & contact
Where to find them.
Same-day serviceAfter hours
About
O'Callaghan Heating & Air Conditioning is a highly-rated HVAC service provider in Atlanta, GA, specializing in energy-efficient systems and commercial HVAC solutions.
Phone
Website
Hours
Monday7:00 AM - 5:00 PM
Tuesday7:00 AM - 5:00 PM
Wednesday7:00 AM - 5:00 PM
Thursday7:00 AM - 5:00 PM
Friday (today)
Competitors · top 5
Side by side with the neighborhood.
The hvac shops O'Callaghan Heating & Air Conditioningcompetes with most often, ranked by Operator’s health score. Tap any row for that shop’s full page.
FAQ
Quick answers.
The questions people ask before they call.
Contact O'Callaghan Heating & Air Conditioning
Call (404) 577-6885 for service. The website ocallaghanair.com also has direct contact info.
Hours for O'Callaghan Heating & Air Conditioning
Hours are listed on this page under About and contact. Operator refreshes them continuously from public sources.
Services offered by O'Callaghan Heating & Air Conditioning
O'Callaghan Heating & Air Conditioning offers AC Repair, Heating Repair, System Installation, Preventive Maintenance. Operator refreshes service lists continuously from public sources.
Licensing and insurance
License and insurance details have not been verified with O'Callaghan Heating & Air Conditioning yet. Find the listing to add them.
Estimates and availability
Same-day service offered. After-hours availability listed.
Health score formula
Six weighted components: Reviews and rating (25%), Response rate (15%), Market rank (20%), Financial health (20%), Jobs flow (10%), and Operator activity (10%). Recomputed continuously using data from Google, Yelp, Meta, and direct integrations.
Local rank in Atlanta
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