HVAC Professional

ONAS Heating & Cooling Corp. O/A Ontario Air Services

Vaughan, ON

Emergency ServiceResponds to Reviews

+1 647-687-4911 Website

Serving Vaughan & area

60out of 100

Good

ProScore

This score reflects 143 Google reviews.

How is this calculated?

Score updated: Oct 2026

About ONAS Heating & Cooling Corp. O/A Ontario Air Services

AI-generated summary from ProScore data sources

ONAS Heating & Cooling Corp. provides HVAC repair service in Vaughan, with 24/7 availability and online estimates.

ONAS Heating & Cooling Corp. O/A Ontario Air Services: one of 18 HVAC contractors in Vaughan.
143 Google reviews (5.0 stars; median 127) for ONAS Heating & Cooling Corp. O/A Ontario Air Services, ahead of 9 of 17 HVAC contractors.

Is this your business?

Verify your profile to confirm your business, earn your Verified badge, and unlock your dashboard and growth tools.

Verify Your Profile →

Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

1 source · 143 reviews

GoogleListing found

Google Business Profile reviews

5.0/5

143 reviews

Not found on 3 other platforms ProScore checks (Review platform B, BBB, Review platform C).

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

Highly Rated

Consistently rated 5.0 stars across 143 Google reviews.

Open 24 Hours

Every posted day shows 24-hour availability.

Google Review Breakdown

143 total

143

Featured Review

From Google

“

ONAS Heating & Cooling Corp. exceeded my expectations. From start to finish, their team demonstrated a high level of professionalism and technical skill. The installation was not only flawless but also extremely clean and well-organized. It’s rare to find contractors who care this much about both quality and presentation. Highly recommend!

A. M.

Google Review

Photos & Work

1 photo

Other top rated hvac in Vaughan

Air Point Heating & Cooling

More HVAC contractors in Vaughan

Frequently Asked Questions

Is ONAS Heating & Cooling Corp. O/A Ontario Air Services licensed?

Licensing status has not been verified for ONAS Heating & Cooling Corp. O/A Ontario Air Services. Contact them directly to confirm current credentials before hiring.

Does ONAS Heating & Cooling Corp. O/A Ontario Air Services have insurance?

WSIB insurance status is not verified for ONAS Heating & Cooling Corp. O/A Ontario Air Services. Request proof of workplace insurance and liability coverage before hiring.

What is ONAS Heating & Cooling Corp. O/A Ontario Air Services’s rating?

ONAS Heating & Cooling Corp. O/A Ontario Air Services has a ProScore Trust Score of 60/100 (Good), calculated from 1 data source including 143 Google reviews.

Where is ONAS Heating & Cooling Corp. O/A Ontario Air Services located?

ONAS Heating & Cooling Corp. O/A Ontario Air Services is a hvac serving Vaughan, Ontario. You can reach them at +1 647-687-4911. View their full profile on ProScore for reviews and credentials.

Business Details

358 Edgeley Blvd Unit 7, Vaughan, ON L4K 3Y1

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 servicesOnline estimates

Offerings

Repair services

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 Vaughan View all guides →

Data Transparency

Sources: Google
Score computed: October 13, 2026

Is this your business?

Claim your profile to update info, add photos, and respond to reviews

Claim This Listing

More hvac in Vaughan →|All hvac in Ontario →|All contractors in Vaughan →

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

Are you the owner of this business? Dispute this score

Still researching?

Read the hiring guide →Check cost estimates →

Before you hire, read: 5 questions to ask every hvac →

Compare HVAC Contractors in Vaughan

See how ONAS Heating & Cooling Corp. O/A Ontario Air Services ranks against other hvac contractors in Vaughan on ProScore.

View ranked list of hvac contractors in Vaughan →

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.