HVAC Professional

A1 Air Conditioning & Heating

Oakville, ON

Emergency ServiceResponds to Reviews

+1 905-844-2949 Website

Serving Oakville & area

72out of 100

Trusted

ProScore

This score reflects 1749 Google reviews.

How is this calculated?

Score updated: Oct 2026

About A1 Air Conditioning & Heating

AI-generated summary from ProScore data sources

A1 Air Conditioning & Heating handles HVAC repairs and installations in Oakville, operating 24 hours a day, seven days a week, and has built long-term customer relationships spanning decades.

A1 Air Conditioning & Heating: ProScore 72, 8th of 29 scored HVAC contractors in Oakville.
1749 Google reviews (4.9 stars; median 41) for A1 Air Conditioning & Heating, ahead of 27 of 28 HVAC contractors.

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What Customers Say

AI analysis of 9 Google reviews

Top Strengths

Fast emergency response - Lucas arrived 35 minutes on Boxing Day at -15°C wind chill when competitors quoted next day

Professional installation teams - Hassan, Florin, Dallas, and Josh consistently praised as knowledgeable, polite, friendly, and respectful of homes

Long-term customer loyalty - 30+ year customers and 21+ year service plan members indicate sustained trust and fair dealing

Areas to Watch

Emergency dispatch communication failure - 10-hour delay to inform customer no technicians available for midnight -20°C emergency call

Potential unnecessary parts replacement - customer documented AC capacitor replaced for $400 that appeared functional, with technician retaining old part preventing verification

Inconsistent emergency availability - same customer unable to reach technicians while other emergency calls were answered

emergency servicefurnace installation/replacementprofessional techniciansprompt responsecustomer loyalty

Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

1 source · 1,749 reviews

GoogleListing found

Google Business Profile reviews

4.9/5

1,749 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.

How sources are weighted: ProScore methodology.

Things to Know

Trusted Level

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

Highly Rated

Consistently rated 4.9 stars across 1,749 Google reviews.

Open 24 Hours

Every posted day shows 24-hour availability.

What Reviews Highlight

Reviews mention: emergency service, furnace installation/replacement, professional technicians.

Google Review Breakdown

1,749 total

1,625

Featured Review

From Google

“

Having your furnace expire a week before Christmas is never pleasant but I can sincerely say the professionalism, dedication and level of service provided by A1 - a local Canadian company that still values every customer- made the experience pain-free. Their staff from the receptionist, service person, sales person were all outstanding and when you discover they’ve all been with the company for decades you understand this is a special company that not only treats its customers well but also its

Anna Wharton

Google Review

Photos & Work

1 photo

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Frequently Asked Questions

Is A1 Air Conditioning & Heating licensed?

Licensing status has not been verified for A1 Air Conditioning & Heating. Contact them directly to confirm current credentials before hiring.

Does A1 Air Conditioning & Heating have insurance?

WSIB insurance status is not verified for A1 Air Conditioning & Heating. Request proof of workplace insurance and liability coverage before hiring.

What is A1 Air Conditioning & Heating’s rating?

A1 Air Conditioning & Heating has a ProScore Trust Score of 72/100 (Trusted), calculated from 1 data source including 1749 Google reviews.

Where is A1 Air Conditioning & Heating located?

A1 Air Conditioning & Heating is a hvac serving Oakville, Ontario. You can reach them at +1 905-844-2949. View their full profile on ProScore for reviews and credentials.

Business Details

3-1420 Cornwall Rd, Oakville, ON L6J 7W5

HVAC

View on Google Maps

Hours

Every dayOpen 24 hours

Services Offered

AC installationFurnace repairDuctworkHVAC maintenanceHeat pump installationThermostat installation

Services & Info

Open 24 HoursEmergency ServiceOnsite services

Offerings

Repair servicesInstallation service

Service options

Credentials

Insurance

Not Confirmed

Credentials are as reported by contractors and public sources — verify each with the contractor and the issuing authority before hiring.Check it yourself: WSIB clearance · TSSA fuels contractor registry

Homeowner Guides

How much does this service cost in Ontario?Red flags when hiring HVAC FAQs in Oakville View all guides →

Data Transparency

Sources: Google
Score computed: October 13, 2026

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Checked by ProScore

What is the ProScore?

One score from 0 to 100 across every review platform and public registry ProScore checks. How the ProScore works

≥81

Elite

≥70

Trusted

≥54

Good

≥30

Basic

<30

Caution

—

Not yet rated

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A ProScore is informational only — not a guarantee, endorsement, or recommendation — and the data behind it may be incomplete or out of date. Before hiring, independently verify all credentials, including licences, insurance (including WSIB) and references, directly with the contractor and the issuing authority. Full data notice. Something wrong? Let us know.