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HVAC Professional

MMS HVAC logoMMS HVAC

London, ON
Compare with similar hvac providers in London →
Emergency Service
+1 416-670-9249 Website(opens in new tab)
Serving London & area
ProScore

This score is based on publicly available data.

How is this calculated?
Score updated: Oct 2026

About MMS HVAC

AI-generated summary from ProScore data sources

MMS HVAC operates in London, Ontario and is open during weekdays for HVAC work.

  • MMS HVAC: one of 42 HVAC contractors in London.
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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Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

1 source · 2 reviews
GoogleListing found
Google Business Profile reviews
5.0/5
2 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

24-Hour Service on 5 of 7 Days

Posted hours show 24-hour availability on some days only. Check the hours card for which.

Google Review Breakdown

2 total
5
2
4
0
3
0
2
0
1
0

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Air Design Services Heating & Cooling
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Frequently Asked Questions

Is MMS HVAC licensed?
Licensing status has not been verified for MMS HVAC. Contact them directly to confirm current credentials before hiring.
Does MMS HVAC have insurance?
WSIB insurance status is not verified for MMS HVAC. Request proof of workplace insurance and liability coverage before hiring.
What is MMS HVAC’s rating?
MMS HVAC has a ProScore Trust Score of 50/100 (Basic), calculated from 1 data source including 2 Google reviews.
Where is MMS HVAC located?
MMS HVAC is a hvac serving London, Ontario. You can reach them at +1 416-670-9249. View their full profile on ProScore for reviews and credentials.

Business Details

646 Wonderland Rd S, London, ON N6K 1L8
HVAC
View on Google Maps

Hours

MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayClosed
SundayClosed

Services Offered

AC installationFurnace repairDuctworkHVAC maintenanceHeat pump installationThermostat installation
Open 24 HoursEmergency Service

Credentials

Insurance
Not Confirmed
WSIB Coverage
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 hiringHVAC FAQs in LondonView 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

Are you the owner of this business? Dispute this score

Still researching?

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Compare HVAC Contractors in London

See how MMS HVAC 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.