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Dunn Heating and Air Conditioning logoDunn Heating and Air Conditioning

Waterloo, ON
Compare with similar plumber providers in Waterloo
Emergency ServiceResponds to Reviews
Serving Waterloo & area
ProScore

This score reflects 975 verified reviews.

How is this calculated?
Data verified: Sep 2026

About Dunn Heating and Air Conditioning

AI-generated summary from verified data sources

Dunn Heating and Air Conditioning is a plumbing contractor in Waterloo, Ontario. Customers describe the service as professional and courteous, with technicians who are thorough in diagnosis and responsive to scheduling requests. The business has wheelchair-accessible entrance and washroom facilities.

Rated on 1 independent platformProScore found ratings for this business on 1 independent review platform. Each one is listed in "Ratings Across Platforms" below.

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What Customers Say

AI analysis of 5+ verified Google reviews

Top Strengths

Exceptional technical expertise - Dave B and technicians consistently identified problems easily and performed thorough inspections/repairs
Professional and courteous service - described as 'professional, courteous, skilled' with friendly, helpful demeanor throughout projects
Prompt response and scheduling flexibility - came early on Saturday, quick quote responses, and completed major jobs in under 3 hours
thorough inspection/diagnosisknowledgeable techniciansprofessional servicefriendly and helpfulprompt/timely response

Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

1 source · 975 reviews
GoogleVerified source
Google Business Profile reviews
4.8/5
975 reviews

No rating yet on Review platform C. Not found on 2 other platforms ProScore checks (Review platform B, BBB).

ProScore aggregates Google, the BBB and other major review platforms. Some sources are not named publicly.

The ProScore Trust Score aggregates ratings from all verified sources, weighted by review volume, recency, and platform credibility.

Things to Know

Trusted Level

Scores in ProScore’s Trusted tier — strong, consistent signals across the sources ProScore checks.

Highly Rated

Consistently rated 4.8 stars across 975 Google reviews.

Open 24 Hours

Every posted day shows 24-hour availability.

What Reviews Highlight

Reviews mention: thorough inspection/diagnosis, knowledgeable technicians, professional service.

Google Review Breakdown

975 total
5
886
4
30
3
6
2
11
1
42

Featured Review

Verified review from Google

I have just had another very positive experience with Dunn Heating and Air Conditioning. I am thankful that I have purchased this company's annual service package for my furnace and air conditioner because the service I receive from Dunn's technicians is exemplary. Dave, who serviced my 13-year old air conditioning system today, did a remarkably thorough job of cleaning and then servicing the unit. In thirteen years, he's the first technician who has cleaned my air conditioner, and he taught me

A
Andy Houston
Google Review

Frequently Asked Questions

Is Dunn Heating and Air Conditioning licensed?
Licensing status has not been verified for Dunn Heating and Air Conditioning. Contact them directly to confirm current credentials before hiring.
Does Dunn Heating and Air Conditioning have insurance?
WSIB insurance status is not verified for Dunn Heating and Air Conditioning. Request proof of workplace insurance and liability coverage before hiring.
What is Dunn Heating and Air Conditioning’s rating?
Dunn Heating and Air Conditioning has a ProScore Trust Score of 70/100 (Trusted), calculated from 1 verified data source including 975 Google reviews.
Where is Dunn Heating and Air Conditioning located?
Dunn Heating and Air Conditioning is a plumber serving Waterloo, Ontario. You can reach them at +1 226-770-5265. View their full profile on ProScore for verified reviews and credentials.

Business Details

75 Rankin St, Waterloo, ON N2V 2B5
Plumber

Hours

SundayOpen 24 hours

Services Offered

Drain cleaningPipe repairWater heater installationFixture installationEmergency plumbingLeak detection

Services & Info

Open 24 HoursEmergency Service

Other

LGBTQ+ friendly

Accessibility

Wheelchair accessible seatingWheelchair-accessible entranceWheelchair-accessible washroom

Credentials

Insurance
Not Confirmed
WSIB Coverage
Not Confirmed

ProScore displays credential information as reported by contractors and third-party sources. Homeowners are encouraged to independently verify all credentials, licences, and insurance prior to engaging any contractor.

Data Transparency

Sources
Google
Score computed
September 19, 2026

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Checked by ProScore

What is the ProScore?

The ProScore aggregates ratings from multiple review platforms into a single score from 0 to 100. Unlike platforms that show only their own reviews, the ProScore gives you the complete picture. Scores are capped for providers with limited source verification.

≥81
Elite
≥70
Trusted
≥54
Good
≥30
Basic
<30
Caution
Not yet rated

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Compare Plumbers in Waterloo

See how Dunn Heating and Air Conditioning ranks against other plumbers in Waterloo on ProScore.

ProScore profiles are built from publicly available information and official public registries, and scored using ProScore’s own methodology. We check this data against third-party sources and work to keep it accurate, but records change and errors can occur. A ProScore is informational only — it is not a guarantee, endorsement, or recommendation. Before hiring any contractor, you should independently verify and confirm all relevant credentials, licences, insurance (including WSIB coverage) and references directly with the contractor and the issuing authority. If something here looks wrong, let us know and we’ll correct it promptly.