A G O'Brien Plumbing & Heating Co
Duluth, MN HVAC · #1 of 4 · 92+ yrs
ⓘVouched Score is calculated from publicly available signals: Google rating & review count, Yelp rating, BBB grade, review sentiment, years in business, local search ranking, and provider website content. Not a guarantee of service quality.Embed this score
⏱ 92+ years in business
Review sentiment: 90/100
Overview
A G O'Brien lists specialized HVAC and plumbing for residential and commercial projects. The company traces operations back to 1934. The website notes same-day emergency service for urgent heating calls. The site highlights ductless mini-splits as a listed offering for local retrofits. Local winters in Duluth make rapid heating response especially valuable.
Residential and commercial HVAC and plumbing across the Northland and Saint Louis County. Free estimates are advertised on their website. Emergency Response is listed as same-day on their availability page. Years in Business traces to 1934, listed as 90+ years of operation.
Score breakdown
Above the Duluth, MN HVAC average of 71/100. Ranks #1 of 4 listed HVAC providers in Duluth, MN.
Editorial Review
65
46%
Google Rating
93
17%
Local Search Rank
82
9%
Review Sentiment
90
15%
Years in Business
100
4%
Review Volume
71
9%
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
vs. Duluth average
| Signal | A G O'Brien Plumbing … | Duluth avg | Delta |
|---|---|---|---|
| Vouched Score | 77/100 | 72/100 | +6 vs avg |
| Google rating | 4.8★ | 4.8★ | matches city average |
| Review volume | 405+ | 90+ | +314 vs avg |
| Years in business | 92+ | 14+ | +78 vs avg |
Pros
Strengths
- High Google rating (4.8★ across 405+ reviews)
- Long-established (92+ years in business)
When to choose them
- You need same-day or after-hours service
- You value a long-tenured local operator (92+ years in business)
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- AC Replacement — Removal and replacement of an aging or failed central A/C — typically condenser, evaporator coil, and refrigerant lines.
- HVAC Installation — Full HVAC system installation including indoor and outdoor equipment, ductwork tie-in, and refrigerant work.
- Heating System Replacement — Replacement of an aging or failed heating system, typically a furnace or heat-pump indoor unit.
- Mini-Split Systems — Mini-split installation and service — typically ductless, used for additions or zoned comfort.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
Service area
Duluth, MNhome
Contact & hours
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Call for hours
Frequently asked questions
What are the pros of A G O'Brien Plumbing & Heating Co?
Based on public records and customer reviews: High Google rating (4.8★ across 405+ reviews); Long-established (92+ years in business); Emergency response: same-day; Satisfaction guarantee; Free estimates.
When should I choose A G O'Brien Plumbing & Heating Co?
Choose them if: You need same-day or after-hours service; You value a long-tenured local operator (92+ years in business).
What is the Vouched Score for A G O'Brien Plumbing & Heating Co?
77/100. Top contributing signals: Years In Business 100/100, Google Rating 93/100+ Review Sentiment 90/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.
How long has A G O'Brien Plumbing & Heating Co been in business?
A G O'Brien Plumbing & Heating Co has been operating for 92+ years in Duluth, MN.
How can I contact A G O'Brien Plumbing & Heating Co?
Call A G O'Brien Plumbing & Heating Co at +1-218-729-9662. Address: 4907 Lightning Dr, Duluth, MN 55811, USA.
What does HVAC service typically cost when working with a Duluth, MN provider like A G O'Brien Plumbing & Heating Co?
AC repair typically runs $155–$675, and full AC system replacement runs $5,700–$13,500 in Duluth, Minnesota. These are area-wide market estimates, not A G O'Brien Plumbing & Heating Co's quotes. For an exact price, request a written estimate from A G O'Brien Plumbing & Heating Co.
What pricing terms does A G O'Brien Plumbing & Heating Co publish on their website?
A G O'Brien Plumbing & Heating Co's website publishes: Free estimates. Promotions and plans change — confirm currently-available terms with A G O'Brien Plumbing & Heating Co before acting.
Does A G O'Brien Plumbing & Heating Co do AC Repair in Duluth, MN?
Yes. A G O'Brien Plumbing & Heating Co lists AC Repair among its services and serves Duluth, MN. Call +1-218-729-9662 for a quote.
Does A G O'Brien Plumbing & Heating Co do AC Replacement in Duluth, MN?
Yes. A G O'Brien Plumbing & Heating Co lists AC Replacement among its services and serves Duluth, MN. Call +1-218-729-9662 for a quote.
Does A G O'Brien Plumbing & Heating Co do HVAC Installation in Duluth, MN?
Yes. A G O'Brien Plumbing & Heating Co lists HVAC Installation among its services and serves Duluth, MN. Call +1-218-729-9662 for a quote.
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
A G O'Brien Plumbing & Heating Co (this company) 🏆 Highest Score · ⭐ AC Repair |
77/100 | 4.8★ (405+) | 92+ |
Advantage Air Plumbing, Heating, & Cooling ⭐ Heat Pumps |
68/100 | 4.6★ (65+) | 12+ |
| 71/100 | 5.0★ (80+) | 5+ | |
Design Heating, LLC ⭐ Best for Geothermal |
73/100 | 4.9★ (110+) | 10+ |
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Profile last updated July 27, 2026.