# Commercial HVAC Scarborough | Repair, RTUs & Refrigeration

> Commercial HVAC in Scarborough for the Civic Centre and Town Centre area, Agincourt plazas, Scarborough Junction industrial and Markham-Lawrence restaurants.

URL: https://torontocommercialhvac.ca/locations/scarborough/

Local Commercial Dispatch, 24 Hours

# Commercial HVAC in Scarborough: Town Centre, Agincourt Plazas & Scarborough Junction Industrial

Last updated: October 10, 2026

Scarborough's older industrial stock at Scarborough Junction carries gas heaters and boilers where Red Tag clearance is common, while Agincourt plazas and Markham-Lawrence restaurants need RTU and refrigeration response.

Commercial-only HVAC and refrigeration for Toronto buildings: TSSA G1+G2, ESA and 313A licensed, 2-4 hour emergency response, written reports on every visit.

-   2-4 hour emergency response
-   Gas crew on the 401 east
-   7-unit Red Tag clearance, $42.5K

Call (437) 524-2997

[tel:+14375242997 →](tel:+14375242997)

 

Request Service

[/contact/ →](/contact/)

![Commercial HVAC technicians servicing rooftop equipment in Scarborough](/images/misc/two-commercial-hvac-technicians-in-hard-hats-servi.webp)

20+

Years Commercial-Only

1,400+

RTUs Under Contract

85+

Chiller Plants on PM

Commercial Credentials & Verification

TSSA G1 + G2

Licensed Gas Technicians

ESA

Electrical Safety Authority

313A Refrigeration

Licensed Refrigeration Mechanics

$5M CGL + WSIB

Enbridge-Authorized Since 2006

2-4 Hour Emergency Response 90-Day Labour Warranty on Repairs / 2-Year on Installs 5-Star Commercial Satisfaction 20+ Years Commercial-Only

Sound Familiar?

## Gas Heat and Red Tag Problems in Scarborough?

### Red-tagged heaters in 1950s-60s Golden Mile factory buildings

A gas inspection leaves unit heaters or a boiler shut off with a red tag, and the floor goes cold within hours.

The Golden Mile was built out with factories in the 1950s and 1960s, and many buildings still carry decades-old suspended heaters, flues and boiler rooms where venting and heat exchanger faults surface during inspection.

Commercial furnace repair by TSSA G1 technicians fixes the deficiency, tests combustion and coordinates clearance with the utility.

### Downtime Costs Real Money

A warm walk-in or a tripped chiller turns into lost product, tenant calls and refunds within hours.

### The Wrong Licences

Large gas appliances, refrigeration circuits and high-voltage controls need TSSA G1/G2, 313A and ESA tickets on one crew.

### Repeat Visits, Same Fault

Parts-swapping without a root cause means the same unit fails again next month.

### No Paper Trail

Insurers, boards and landlords want written findings, readings and photos, not a verbal "it is old".

Local Knowledge

## Commercial HVAC Know-How From the Golden Mile to Agincourt

Scarborough's commercial buildings span decades. The Golden Mile started as a 1941 munitions site and filled with factories through the 1950s and 1960s, and that stock, along with Scarborough Junction, still carries 

gas unit heaters

[/commercial-heating-repair/ →](/commercial-heating-repair/)

, boilers and RTU gas heat sections. 

Utility Red Tags

[/commercial-furnace-repair/ →](/commercial-furnace-repair/)

 are a regular part of our work there, and with the Golden Mile Secondary Plan in effect since December 2024, owners also ask which equipment is worth repairing before redevelopment.

The Civic Centre and Town Centre area adds offices and institutions, Agincourt plazas need 

RTU service and replacement

[/rooftop-unit-repair/ →](/rooftop-unit-repair/)

, and Markham Road restaurants need 

refrigeration response

[/commercial-refrigeration-repair/ →](/commercial-refrigeration-repair/)

. Our warehouse project in the area cleared seven red-tagged gas appliances in nine working days for $42,500, getting heat back before the first hard frost.

Districts We Cover

-   Scarborough Civic Centre
-   Scarborough Town Centre
-   Agincourt plazas
-   Scarborough Junction industrial
-   Markham-Lawrence restaurants

Postal codes we cover: M1P, M1S, M1V, M1L, M1K, M1R, M1G, M1H

Local Landmarks & Corridors

-   Highway 401
-   Kennedy Station
-   Agincourt GO
-   Eglinton East
-   Golden Mile
-   Markham Road

Highway 401 runs across the north side, with Kennedy Station, Agincourt GO and the Eglinton Crosstown serving the south and west.

Top Services

## Heating, Cooling and Refrigeration Services

### 

Commercial Furnace Repair

[/commercial-furnace-repair/ →](/commercial-furnace-repair/)

$185+ diag

Repair for RTU gas heat sections, suspended unit heaters and industrial warm-air. $450-$3,500.

View service

[/commercial-furnace-repair/ →](/commercial-furnace-repair/)

### 

Commercial Boiler Repair

[/commercial-boiler-repair/ →](/commercial-boiler-repair/)

$185+ diag

Hydronic, steam, condensing and firetube boiler repair, 500-6,000 MBH. $650-$8,500.

View service

[/commercial-boiler-repair/ →](/commercial-boiler-repair/)

### 

Commercial Heating Repair

[/commercial-heating-repair/ →](/commercial-heating-repair/)

$185+ diag

Heating repair for boilers, radiant heaters, RTU heat sections and MUA. $450-$4,500.

View service

[/commercial-heating-repair/ →](/commercial-heating-repair/)

### 

Rooftop Unit Repair

[/rooftop-unit-repair/ →](/rooftop-unit-repair/)

$185+ diag

RTU repair for all major manufacturers, 3 to 150 tons. $450-$5,500.

View service

[/rooftop-unit-repair/ →](/rooftop-unit-repair/)

### 

Rooftop Unit Installation

[/rooftop-unit-installation/ →](/rooftop-unit-installation/)

$18K-$95K/unit

RTU new installs, swaps and capacity upgrades. $18K-$95K per unit.

View service

[/rooftop-unit-installation/ →](/rooftop-unit-installation/)

### 

Walk-In Cooler Repair

[/walk-in-cooler-repair/ →](/walk-in-cooler-repair/)

$225+ diag

Walk-in cooler repair for food service, grocery and convenience. $450-$3,200.

View service

[/walk-in-cooler-repair/ →](/walk-in-cooler-repair/)

### 

Commercial Refrigeration Repair

[/commercial-refrigeration-repair/ →](/commercial-refrigeration-repair/)

$225+ diag

Refrigeration repair for restaurants, grocery, convenience and food service. $450-$3,800.

View service

[/commercial-refrigeration-repair/ →](/commercial-refrigeration-repair/)

### 

Commercial HVAC Maintenance

[/commercial-hvac-maintenance/ →](/commercial-hvac-maintenance/)

$185+/visit

PM contracts: quarterly, semi-annual or monthly, with a written condition report every visit.

View service

[/commercial-hvac-maintenance/ →](/commercial-hvac-maintenance/)

### 

Make-Up Air Unit Service

[/make-up-air-unit-service/ →](/make-up-air-unit-service/)

$185+ diag

MUA repair, maintenance and replacement for kitchens, industrial and parking garages.

View service

[/make-up-air-unit-service/ →](/make-up-air-unit-service/)

### 

24-Hour Emergency Commercial HVAC Repair

[/emergency-commercial-hvac-repair/ →](/emergency-commercial-hvac-repair/)

$185 surcharge

24-hour emergency dispatch across Toronto and the GTA with 2-4 hour response.

View service

[/emergency-commercial-hvac-repair/ →](/emergency-commercial-hvac-repair/)

Process

## From First Call to Clearance

1.  01
    
    ### Call or Request
    
    Call (437) 524-2997 or send the building details. Dispatch confirms the arrival window and site access.
    
2.  02
    
    ### Diagnose
    
    A licensed technician traces the root cause across electrical, airflow, combustion and refrigerant circuits.
    
3.  03
    
    ### Written Quote
    
    Findings, photos and a fixed price before any work starts. No surprise line items.
    
4.  04
    
    ### Fix and Document
    
    Most repairs close on the first visit from truck stock, followed by a written completion report.
    

## Red Tag or No Heat? Call a G1 Technician Now

2-4 hour emergency response, 24 hours a day. $185 diagnostic with written findings, waived on approved repairs over $750, and a 90-day labour warranty on every repair.

(437) 524-2997

[tel:+14375242997 →](tel:+14375242997)

 

Request Service

[/contact/ →](/contact/)

Local Logistics

## Reaching East-End Sites Quickly

Highway 401 runs across the north side, and Eglinton East, Kennedy Station and Markham Road connect the south. The 2-4 hour emergency window holds across the area.

Scarborough Junction and Golden Mile industrial sites are usually reached via Eglinton East and Warden. Agincourt plazas near Agincourt GO and Town Centre offices near the 401 are on our regular north-side route.

Red Tag calls are handled by TSSA G1 technicians who can repair, test and coordinate clearance without a second contractor.

![Service van and technicians unloading parts at a commercial site in Scarborough](/images/content/branded-commercial-hvac-service-van-parked-at-a-gt.webp)

Building Types

## Older Industrial, Plazas and Restaurants

**Scarborough Junction and Golden Mile.** Older warehouses and plants with suspended unit heaters, 

hydronic boilers

[/commercial-boiler-repair/ →](/commercial-boiler-repair/)

 and RTU gas heat. Venting and heat exchanger problems are common.

**Civic Centre and Town Centre.** Offices, institutions and colleges with boilers, chillers and VAV.

**Agincourt plazas.** Retail plazas with ageing RTUs on 

phased replacement plans

[/rooftop-unit-installation/ →](/rooftop-unit-installation/)

.

**Markham-Lawrence and Markham Road restaurants.** 

Walk-in coolers

[/walk-in-cooler-repair/ →](/walk-in-cooler-repair/)

, reach-ins and 

make-up air

[/make-up-air-unit-service/ →](/make-up-air-unit-service/)

 for busy family restaurants.

East-End Seasonal Pressure Points

Fall and early winter bring Red Tag inspections and heating repairs in older industrial buildings. Mid-winter brings boiler circulator and control failures. Summer brings walk-in cooler and RTU calls for restaurants and Agincourt plazas.

Why Us

## Why East-End Plants and Plazas Trust Us

-   Enbridge-authorized Red Tag repair and clearance
-   TSSA G1 gas technicians for boilers, unit heaters and RTU heat
-   Combustion and CO test sheets for insurers
-   RTU replacement with per-tenant allocation for Agincourt plazas
-   Walk-in cooler and refrigeration repair for local restaurants
-   2-4 hour emergency response across the east end

Local Track Record

## Recent Projects in the Area

![Gas technicians repairing a suspended unit heater in a Scarborough warehouse](/images/featured/two-gas-technicians-on-a-scissor-lift-repairing-a-.webp)

[/projects/scarborough-warehouse-red-tag-clearance/ →](/projects/scarborough-warehouse-red-tag-clearance/)

Scarborough $42,500

### 

Scarborough Warehouse 7-Unit Enbridge Red Tag Clearance

[/projects/scarborough-warehouse-red-tag-clearance/ →](/projects/scarborough-warehouse-red-tag-clearance/)

Seven red-tagged gas appliances repaired, combustion tested and cleared in nine working days, so the warehouse had heat back before the first hard frost.

Repair 

Case study

[/projects/scarborough-warehouse-red-tag-clearance/ →](/projects/scarborough-warehouse-red-tag-clearance/)

Client Feedback

## What Local Facility Teams Say

5-Star Commercial Satisfaction

> "Our hydronic loop kept losing heat at night. They replaced a failed circulator and the boiler controls and balanced the loop in one visit."

Kwame Mensah

Facilities Manager, Scarborough Junction industrial building

Hydronic boiler circulator and control repair$8,300

> "They fixed the fan, replaced the torn gaskets and walked my staff through the door checks. The cooler holds 3C again."

Jessica Lam

Owner, Markham-Lawrence restaurant

Walk-in cooler evaporator fan and gasket repair$3,100

> "Two 20-year-old units replaced on one lift day, with cost allocated to the right tenants in writing."

Ravi Patel

Property Manager, Agincourt retail plaza

Two end-of-life RTU replacements$58,000

Straight Answers

## Questions Scarborough Clients Ask Us

### Can you clear an Enbridge Red Tag in Scarborough?

+

Yes. We repair the deficiency, test combustion and coordinate clearance. Our warehouse project cleared seven red-tagged appliances in nine working days for $42,500.

### How quickly can a crew reach Agincourt or the Town Centre?

+

Highway 401 covers the north side, and Eglinton East and Kennedy Station connect the Golden Mile and Scarborough Junction, so emergencies there get a 2-4 hour response at any hour.

### Why are Golden Mile factory buildings so prone to heating problems?

+

The Golden Mile was built out with factories in the 1950s and 1960s on former wartime munitions land, so many buildings still run old suspended heaters, flues and hydronic boilers. We repair circulators, controls, low-water cutoffs and burners, and with the Secondary Plan in effect since December 2024 we help owners decide what is worth fixing before redevelopment.

### Do you replace RTUs on Agincourt plazas?

+

Yes, with roof adapters, shared crane days and written per-tenant cost allocation.

### Do you repair walk-in coolers for restaurants on Markham Road?

+

Yes. Evaporator fans, door gaskets, condensing units and controls for family restaurants along Markham Road and at Markham-Lawrence, with door-check tips for kitchen staff.

### What does furnace or unit heater repair cost?

+

Unit heater and furnace repairs usually run $450 to $3,500, plus a $185 diagnostic that is waived on repairs over $750. Every gas repair includes combustion and CO results for your insurer.

Coverage Map

## Where We Work in Scarborough

Nearby Areas

## We Also Serve Nearby

-   Commercial HVAC North York
    
    [/locations/north-york/ →](/locations/north-york/)
    
-   Commercial HVAC Markham
    
    [/locations/markham/ →](/locations/markham/)
    
-   Commercial HVAC Downtown Toronto
    
    [/locations/downtown-toronto/ →](/locations/downtown-toronto/)
    

Every district listed here is covered by the same licensed crews behind our 

commercial HVAC Toronto

[/ →](/)

 service, across 20+ GTA cities. See every 

location we serve

[/locations/ →](/locations/)

.

![](/images/misc/two-commercial-hvac-technicians-in-hard-hats-walki.webp)

24-Hour Commercial Emergency Dispatch

## Ready for Commercial HVAC Service in Scarborough?

2-4 hour emergency response, 24 hours a day. TSSA G1+G2, ESA and 313A licensed technicians with written findings on every visit.

Call (437) 524-2997

[tel:+14375242997 →](tel:+14375242997)

 

Request Service

[/contact/ →](/contact/)

-   TSSA G1+G2, ESA, 313A
-   Written findings every visit
-   90-day / 2-year labour warranty