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High Efficiency Cooling & Heating Inc. logoHigh Efficiency Cooling & Heating Inc.

Markham, ON
Compare with similar hvac providers in Markham →
Emergency ServiceWSIBTSSA Licensed
2 Credentials Verified
ProScore

This score reflects 1321 Google reviews, licensed and verified.

How is this calculated?
Score updated: Oct 2026

About High Efficiency Cooling & Heating Inc.

AI-generated summary from ProScore data sources

High Efficiency Cooling & Heating Inc. provides HVAC repair and installation work in Markham, operating 24 hours a day, seven days a week on site. Technicians explain issues clearly and work with patience and courtesy, with customers noting a thorough and respectful approach to their work.

  • High Efficiency Cooling & Heating Inc.: ProScore 80, 4th of 25 scored HVAC contractors in Markham.
  • 1321 Google reviews (4.8 stars; median 102) for High Efficiency Cooling & Heating Inc., ahead of 24 of 24 HVAC contractors.
Rated on 1 independent platformProScore found ratings for this business on 1 independent review platform. Each one is listed in "Ratings Across Platforms" below.Government-licensedWSIB coverage confirmed

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What Customers Say

AI analysis of 6 Google reviews

Top Strengths

Technicians go above and beyond - crew made process seamless and exceeded expectations
Clear explanations and patient communication - staff carefully explain issues and take time to answer questions
Professional and courteous service - technicians described as respectful, efficient, and super nice
professional techniciansexcellent communicationcompetitive pricingknowledgeable expertisecourteous service

Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

1 source · 1,321 reviews
GoogleListing found
Google Business Profile reviews
4.8/5
1,321 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 4.8 stars across 1,321 Google 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.

Open 24 Hours

Every posted day shows 24-hour availability.

What Reviews Highlight

Reviews mention: professional technicians, excellent communication, competitive pricing.

Google Review Breakdown

1,321 total
5
1,215
4
56
3
3
2
1
1
46

Featured Review

From Google

“

Rana came to diagnose our boiler system issue and was very professional. He carefully inspected the unit and clearly explained what was causing the problem. He was patient, knowledgeable, and took the time to answer our questions. Really appreciate his help and would recommend him for hvac system service.

Y
Yip Yukwai
Google Review

Frequently Asked Questions

Is High Efficiency Cooling & Heating Inc. licensed?
Yes, High Efficiency Cooling & Heating Inc. holds a TSSA licence, verified by ProScore against the Technical Standards and Safety Authority database.
Does High Efficiency Cooling & Heating Inc. have insurance?
Yes, High Efficiency Cooling & Heating Inc. has verified WSIB (Workplace Safety and Insurance Board) coverage, which protects homeowners from liability if a worker is injured on the job.
What is High Efficiency Cooling & Heating Inc.’s rating?
High Efficiency Cooling & Heating Inc. has a ProScore Trust Score of 80/100 (Trusted), calculated from 1 data source including 1321 Google reviews.
Where is High Efficiency Cooling & Heating Inc. located?
High Efficiency Cooling & Heating Inc. is a hvac serving Markham, Ontario. You can reach them at +1 905-307-2988. View their full profile on ProScore for reviews and credentials.

Business Details

570 Alden Rd, Markham, ON L3R 8N2
HVAC

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

TSSA License
FS R000076639247
✓ Confirmed
Insurance
Not Confirmed
WSIB Coverage
✓ 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

Data Transparency

Sources
Google and Ontario regulatory records
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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Compare HVAC Contractors in Markham

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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.