HVAC Professional

MKM MECHANICAL LIMITED

London, ON

Emergency ServiceWSIBTSSA LicensedBBB Accredited

+1 519-694-6323 Website

3 Credentials Verified

75out of 100

Trusted

ProScore

This score reflects 14 Google reviews, licensed and verified.

How is this calculated?

Score updated: Oct 2026

About MKM MECHANICAL LIMITED

AI-generated summary from ProScore data sources

MKM Mechanical Limited handles HVAC repair work in London, Ontario, operating 24/7 and offering online estimates.

MKM MECHANICAL LIMITED: ProScore 75, tied 7th of 42 scored HVAC contractors in London.

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.

2 sources · 14 reviews

GoogleListing found

Google Business Profile reviews

5.0/5

14 reviews

BBBListing found

Better Business Bureau · accredited · as of March 2026

A+Rating · accredited

Not found on 2 other platforms ProScore checks (Review platform B, 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

Trusted Level

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

Well Reviewed

5.0 star average on Google with 14 reviews.

WSIB Verified

Workplace Safety and Insurance Board coverage confirmed — you're protected.

TSSA Licensed

Licensed with the Technical Standards and Safety Authority — confirmed against the register.

BBB Accredited · A+

Better Business Bureau accredited with an A+ rating.

Open 24 Hours

Every posted day shows 24-hour availability.

Google Review Breakdown

14 total

Photos & Work

1 photo

Other top rated hvac in London

Donaldson Heating and Air Conditioning

London

4.9(2746)

Builders Choice Air Systems Ltd

London

4.9(228)

Home Service Professionals

London

4.8(728)

Air Design Services Heating & Cooling

London

4.9(62)

More HVAC contractors in London

Frequently Asked Questions

Is MKM MECHANICAL LIMITED licensed?

Yes, MKM MECHANICAL LIMITED holds a TSSA licence, verified by ProScore against the Technical Standards and Safety Authority database.

Does MKM MECHANICAL LIMITED have insurance?

Yes, MKM MECHANICAL LIMITED has verified WSIB (Workplace Safety and Insurance Board) coverage, which protects homeowners from liability if a worker is injured on the job.

What is MKM MECHANICAL LIMITED’s rating?

MKM MECHANICAL LIMITED has a ProScore Trust Score of 75/100 (Trusted), calculated from 2 data sources including 14 Google reviews.

Where is MKM MECHANICAL LIMITED located?

MKM MECHANICAL LIMITED is a hvac serving London, Ontario. You can reach them at +1 519-694-6323. View their full profile on ProScore for reviews and credentials.

Business Details

570 Clarke Rd UNIT 10A, London, ON N5V 3K5

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

TSSA License

000348188

✓ Confirmed

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 London View all guides →

Data Transparency

Sources: Google, BBB, and Ontario regulatory records
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 London →|All hvac in Ontario →|All contractors in London →

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 London

See how MKM MECHANICAL LIMITED ranks against other hvac contractors in London on ProScore.

View ranked list of hvac contractors in London →

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.