# Commercial HVAC Markham | Repair, RTUs & Refrigeration

> Commercial HVAC in Markham for the Hwy 404 tech corridor, Pacific Mall and Market Village, Unionville restaurants, Hwy 7 offices and Woodbine warehouses.

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

Local Commercial Dispatch, 24 Hours

# Commercial HVAC in Markham: Hwy 404 Tech Corridor, Pacific Mall Retail & Unionville Restaurants

Last updated: October 10, 2026

Markham's tech campuses along Hwy 404 drive VRF fit-outs and server room cooling, Pacific Mall and Market Village need tenant-by-tenant response, and Unionville restaurants need kitchen ventilation and refrigeration.

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
-   Crews on the 404 and Hwy 7
-   24-unit VRF fit-out, $215K

Call (437) 524-2997

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

 

Request Service

[/contact/ →](/contact/)

![Commercial HVAC technicians servicing rooftop equipment in Markham](/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?

## Server Room, Kitchen or RTU Problems in Markham?

### Equipment changes stalled by the Unionville heritage district

A Main Street restaurant needs a new condensing unit or make-up air unit, but the job stalls before the crane is booked.

Unionville is one of Markham's Heritage Conservation Districts, so exterior work, even on non-heritage buildings, needs a City heritage permit before new rooftop or wall-mounted equipment goes in.

Make-up air and refrigeration jobs here start with equipment placement details for the heritage permit, and the repair or replacement is scheduled around the approval.

### 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

## Local Commercial HVAC Knowledge, From Tech Campuses to Main Street

Markham is the GTA's tech hub, and its buildings show it. Campuses along Highway 404 and in the Markham Innovation District need 

VRF fit-outs

[/commercial-ac-installation/ →](/commercial-ac-installation/)

, server room cooling with redundancy and 

controls that alarm before anything overheats

[/commercial-bms-controls/ →](/commercial-bms-controls/)

. In Markham Centre, many buildings skip their own boilers and chillers and buy hot and chilled water from the district energy loop that IBM first connected to in 2000, so our work there is heat exchangers, pumps and air handlers.

Pacific Mall and Market Village need tenant-by-tenant HVAC response inside busy malls, and Woodbine Avenue warehouses need 

RTU and heater service

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

. Unionville Main Street restaurants need 

kitchen ventilation

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

 and refrigeration, and because Unionville is a Heritage Conservation District, exterior equipment changes there start with a City heritage permit. Our tech campus VRF fit-out delivered 24 indoor units across two floors for $215,000 on the TI schedule.

Districts We Cover

-   Highway 404 tech corridor
-   Pacific Mall + Market Village
-   Unionville restaurants
-   Highway 7 offices
-   Woodbine warehouses

Postal codes we cover: L3R, L3P, L3S, L6B, L6C, L6E, L6G

Local Landmarks & Corridors

-   Highway 404
-   Highway 7
-   Unionville Main Street
-   Markham Innovation District
-   Pacific Mall
-   Woodbine Avenue

Highway 404, Highway 407 and Highway 7 carry most routes, with Unionville GO and the Viva rapidway serving Markham Centre.

Top Services

## Commercial Cooling, Controls and Ventilation Services

### 

Commercial AC Installation

[/commercial-ac-installation/ →](/commercial-ac-installation/)

$14K-$220K

New AC installs for fit-outs, TIs, VRF builds and chilled water extensions. $14K-$220K.

View service

[/commercial-ac-installation/ →](/commercial-ac-installation/)

### 

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/)

### 

Commercial BMS & HVAC Controls

[/commercial-bms-controls/ →](/commercial-bms-controls/)

$15K-$180K

BMS install, retrofit and programming for towers, institutions and industrial sites. $15K-$180K.

View service

[/commercial-bms-controls/ →](/commercial-bms-controls/)

### 

Commercial AC Repair

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

$185+ diag

Cooling-side repair for RTUs, splits, VRF and chilled water fan coils. $450-$3,500.

View service

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

### 

Commercial HVAC Installation

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

$18K-$450K

New-build and retrofit installs: RTU sets, chiller plants, boiler rooms, VAV and VRF fit-outs.

View service

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

### 

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/)

### 

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/)

### 

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/)

### 

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/)

### 

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

## How Our Service Calls Run

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.
    

## Server Room Running Hot? Call Dispatch 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

## Covering the City Along the 404 and Highway 7

Highway 404 and Highway 7 carry most of our routes, with Woodbine Avenue serving the warehouse belt and Kennedy Road reaching Pacific Mall and Market Village. The 2-4 hour emergency window holds across the city.

Server room cooling failures

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

 on tech campuses are treated as priority calls, and temporary cooling can be staged the same day.

Pacific Mall and Market Village tenants need mall security coordination for roof and service corridor access, which we arrange before opening hours.

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

Building Types

## Tech Campuses, Malls and Restaurants

**Highway 404 tech corridor and Markham Innovation District.** Office floors with VRF heat recovery, ductless server room cooling and BMS alarms.

**Highway 7 offices.** Mid-rise offices with VAV, RTUs and BAS.

**Pacific Mall and Market Village.** Dense retail with many tenant units, shared equipment and strict access rules.

**Unionville Main Street.** Restaurants with hood exhaust, make-up air and 

walk-in refrigeration

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

 in heritage-area buildings.

**Woodbine Avenue warehouses.** RTUs, economizers and unit heaters.

Seasonal Pressure Points for Tech, Retail and Kitchens

Summer brings server room and VRF calls on tech campuses and RTU calls at Woodbine warehouses. Winter brings make-up air ignition problems in Unionville kitchens. Spring and fall are 

fit-out seasons for office TIs

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

 along the 404.

Why Us

## Why Tech, Retail and Restaurant Teams Choose Us

-   VRF heat recovery fit-outs delivered on TI schedules
-   Redundant server room cooling with BMS alarms
-   Tenant response coordinated with Pacific Mall and Market Village security
-   Kitchen ventilation and refrigeration for Unionville restaurants
-   RTU and economizer repair for Woodbine warehouses
-   2-4 hour emergency response on the 404 and Hwy 7

Local Track Record

## Recent Projects in the Area

![Technicians installing VRF indoor units in a Markham office fit-out](/images/featured/two-technicians-on-ladders-installing-a-vrf-ceilin.webp)

[/projects/markham-tech-campus-vrf-fit-out/ →](/projects/markham-tech-campus-vrf-fit-out/)

Markham $215,000

### 

Markham Tech Campus VRF Fit-Out 24 Indoor Units

[/projects/markham-tech-campus-vrf-fit-out/ →](/projects/markham-tech-campus-vrf-fit-out/)

A two-floor VRF heat recovery fit-out delivered on the tenant improvement schedule, with zone-level control for open office, meeting rooms and a small server room.

Replacement 

Case study

[/projects/markham-tech-campus-vrf-fit-out/ →](/projects/markham-tech-campus-vrf-fit-out/)

Client Feedback

## What Local Facility Teams Say

5-Star Commercial Satisfaction

> "We added redundant ductless units to the server room with alarms tied into our BMS. No more weekend temperature scares."

Steven Liu

IT Facilities Manager, Hwy 404 tech office

Server room ductless cooling with redundant units$27,500

> "Exhaust fan bearings and the MUA were both overdue. They serviced both in one closed day and rebalanced the kitchen airflow."

Teresa Wong

Owner, Unionville restaurant

Hood exhaust fan and MUA service$9,800

> "The RTU was short cycling and the economizer was stuck. Both were fixed on the first visit with parts from the truck."

Brian Hughes

Operations Manager, Woodbine Avenue warehouse

RTU compressor and economizer repair$4,600

Straight Answers

## Markham Commercial HVAC Questions

### Do you install VRF systems in tech offices along the 404?

+

Yes. Our tech campus VRF fit-out delivered 24 indoor units across two floors for $215,000 on the TI schedule.

### Can you add redundant cooling to a server room?

+

Yes. Dedicated ductless or split systems with a redundant unit and alarms tied into your BMS, so a failure pages someone before the room overheats.

### Do you work on buildings connected to Markham District Energy?

+

Yes. Markham Centre buildings on the district energy loop, which has supplied hot and chilled water since IBM connected in December 2000, use heat exchangers instead of their own boilers and chillers. We service the building-side pumps, valves, air handlers and controls.

### Do equipment changes on Unionville Main Street need a heritage permit?

+

Exterior work in the Unionville Heritage Conservation District, even on non-heritage buildings, needs a heritage permit from the City of Markham. We prepare equipment placement details for the application, then schedule make-up air or condensing unit work once it is approved.

### How fast can you respond along the 404 and Highway 7?

+

Emergency calls get a 2-4 hour response, 24 hours a day, and server room cooling failures are treated as priority calls with temporary cooling staged the same day.

### What does commercial AC installation cost in Markham?

+

Typically $14,000 to $220,000 depending on system type, from single ductless units to full VRF fit-outs.

Coverage Map

## Where We Work in Markham

Nearby Areas

## We Also Serve Nearby

-   Commercial HVAC Scarborough
    
    [/locations/scarborough/ →](/locations/scarborough/)
    
-   Commercial HVAC North York
    
    [/locations/north-york/ →](/locations/north-york/)
    
-   Commercial HVAC Vaughan
    
    [/locations/vaughan/ →](/locations/vaughan/)
    

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

## Book Your Markham Commercial HVAC Visit

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