A G O'Brien Plumbing & Heating Co

Name: A G O'Brien Plumbing & Heating Co
Address: 4907 Lightning Dr, Duluth, MN, 55811, US
Telephone: +1-218-729-9662
Price range: $$
Rating: 4.8

Duluth, MN Indoor Air Quality · #1 of 4 · 92+ yrs

★ 4.8 · 405+ Google reviews · 📍 4907 Lightning Dr, Duluth, MN 55811, USA

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+1-218-729-9662 Visit website

⏱ 92+ years in business Review sentiment: 86/100

Overview

ERV/HRV ventilation installs are listed for whole-home mechanical fresh-air systems. A G O'Brien traces local service back 90+ years. Duluth's cold winters make controlled fresh-air important to limit heat loss and moisture. Maps position one reflects strong local visibility and sustained commercial project experience.

HVAC and plumbing contractor serving Duluth, specializing in whole-home ERV/HRV ventilation installs. Free estimates are listed on their website. The company advertises same-day emergency response for urgent HVAC needs. 90+ years serving the Northland are reported.

Score breakdown

Above the Duluth, MN Indoor Air Quality average of 73/100. Ranks #1 of 4 listed Indoor Air Quality providers in Duluth, MN.

Editorial Review 76 46%

Google Rating 93 17%

Local Search Rank 100 9%

Review Sentiment 86 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

Across 4 vetted iaq services providers in Duluth, MN.

Signal	A G O'Brien Plumbing …	Duluth avg	Delta
Vouched Score	83/100	72/100	+10 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)

Services offered (self-reported)

Emergency response: same-dayFree estimates

When to choose them

You value a long-tenured local operator (92+ years in business)

Service area

Duluth, MNhome

Services Duluth, MNhome

Office: 4907 Lightning Dr, Duluth, MN 55811, USA

Neighborhood: 4907 Lightning Dr, Duluth, MN 55811, USA

Contact & hours

📞

+1-218-729-9662

🌐

agobrien.com

✉️

[email protected]

📍

4907 Lightning Dr, Duluth, MN 55811, USA

🕒

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; Free estimates.

When should I choose A G O'Brien Plumbing & Heating Co?

Choose them if: You value a long-tenured local operator (92+ years in business).

What is the Vouched Score for A G O'Brien Plumbing & Heating Co?

83/100. Top contributing signals: Google Position 100/100, Years In Business 100/100, Google Rating 93/100. 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 indoor air quality service typically cost when working with a Duluth, MN provider like A G O'Brien Plumbing & Heating Co?

Whole-house HEPA air purifier typically runs $1,550–$4,150, and UV-C germicidal lamp runs $310–$1,250 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.

Compare with nearby providers

Provider	Vouched	Google	Years
A G O'Brien Plumbing & Heating Co (this company) 🏆 Highest Score	83/100	4.8★ (405+)	92+
Advantage Air Plumbing, Heating, & Cooling	68/100	4.6★ (65+)	12+
Plumbing and Heating Solutions Inc	71/100	5.0★ (80+)	5+
Design Heating, LLC ⭐ Best for Measure-First Diagnosis	80/100	4.9★ (110+)	10+

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Best Indoor Air Quality in Duluth, MN

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Profile last updated July 27, 2026.