Commercial chillers · Toronto & GTA

Commercial chiller service
across Toronto & the GTA

Chiller work is judged on hours of downtime, not on nameplate tonnage. When plant goes down it takes tenants, production or revenue with it.

Request a chiller assessment Call 647 953-4252
TSSA-licensed refrigeration techs
Air-cooled & water-cooled support
Repair-first when replacement is not required
Serving Toronto & the full GTA
At a glance
FocusCommercial chillers
TypesAir & water-cooled
PriorityUptime & efficiency
CoverageToronto & GTA
Phone647 953-4252
BaseNorth York
1,000+
Clients served
TSSA
Certified team
7 days
A week support
GTA-wide
Service coverage
20+ yrs
Climate experience
Commercial refrigeration cooling

Chiller support for GTA facilities that cannot lose cooling

Commercial cooling plant rarely fails without warning; it degrades. Fouled tubes, drifting approach temperatures, a compressor drawing more than it did last season — all visible on a planned visit and all invisible until the day the building is warm and nobody knows why.

So the useful question on a maintenance visit is not whether it is running. It is what has changed since the last one. We record the readings that matter and tell you what is trending in the wrong direction while there is still time to plan around it.

When work is needed, it is scheduled around the building rather than around us — out of hours, staged where the load allows, and with the access and isolation agreed before anyone arrives.

What matters most for commercial chillers in the GTA
Right sizing, licensed gas/refrigeration work, and commissioning beat the cheapest sticker price. We verify airflow, safety devices, condensate paths, and controls so your system does not fail the first extreme week of the season. Ask us about dual-fuel, zoning, and rebate-eligible models during your quote.
High-efficiency plant upgrades may unlock incentives
Newer chillers with strong IEER/IPLV ratings sometimes qualify for utility or provincial efficiency programs. We flag likely paths on replacement quotes — see HVAC rebates & incentives.
When to call about a chiller
  • No cooling or rising leaving-water temperatures
  • High-head / low-suction alarms and short cycling
  • Oil issues, unusual noise, or vibration
  • Refrigerant leak suspicion or rising make-up
  • Cooling-tower or condenser coil fouling
  • Obsolete R-22 or hard-to-source parts
  • Energy bills climbing with no occupancy change
  • Planned capital replacement in the next 1–3 years
Chiller project flow

How commercial chiller work proceeds

Uptime-first diagnostics before capital decisions.

Alarm review
Controls & history
Circuit check
Pressures & oil
Water side
Tower / pumps
Repair quote
Parts & labour
Replace plan
Footprint & power
Start-up
Documented handover
Chiller services

Assessment, repair planning, and replacement

Practical commercial cooling support — from emergency triage to right-sized replacement packages.

Site assessment
Operating logs, nameplate data, water chemistry notes, and control screenshots reviewed on site.
Repair coordination
Compressor, condenser, expansion, and sensor faults diagnosed; OEM or equivalent parts quoted clearly.
Maintenance plans
Seasonal coil cleaning, filter/drier checks, oil analysis guidance, and tower interface reviews.
Replacement design
Capacity, footprint, electrical, and piping matched to your load — not a catalogue guess.
Controls & BAS
Thermostat, BMS points, and safeties verified so the new or repaired machine integrates cleanly.
Related HVAC
Rooftop units, splits, and ventilation that share the same plant — see commercial HVAC for RTUs.

Commercial plant

When a chiller goes down it takes something expensive with it

We service and maintain chiller plant across the GTA, with an eye on what is degrading rather than only what has failed.

Discuss a service plan
Uptime
Process and comfort loads cannot wait for vague quotes
We diagnose the circuit, controls, and water side before recommending a crane day.
Why Toronto Air Systems

Why facilities call Toronto Air Systems

Commercial cooling decisions need licensed refrigeration work, honest repair-vs-replace math, and crews who show up with the right access plan.

TSSA-licensed technicians
Every technician who works on your equipment holds current Ontario gas and/or refrigeration credentials — no uncertified subcontractors.
Built for Toronto winters & summers
We size and install equipment for real GTA climate extremes, not brochure averages from milder markets.
Transparent pricing
Detailed written quotes with equipment specs, labour, and warranty terms. No bait-and-switch or surprise change orders.
Multi-brand expertise
We service and install major HVAC brands, so recommendations fit your home — not a single manufacturer quota.
How it works

How we handle chiller projects

From first call to commissioned equipment, you always know the next step, the timeline, and what is included.

Consultation
Tell us about your home or building, symptoms, and goals — by phone or online form.
On-site assessment
A licensed technician evaluates your existing chiller, ductwork, and load requirements.
Written quote
You receive clear options, pricing, timelines, and rebate notes — no vague estimates.
Installation or repair
Our TSSA-licensed team completes the work to code with minimal disruption.
Follow-up support
We walk you through operation, warranty, and ongoing maintenance recommendations.
Brands we work with

Chiller brands we commonly see

We work across major commercial brands. Bring the nameplate photo so we can confirm parts and retrofit paths quickly.

Where we work

Chiller service across the GTA

North York based — serving Toronto, Mississauga, Vaughan, Markham, and surrounding commercial corridors.

Toronto
All neighbourhoods & districts
North York
Our home base
Mississauga
West GTA residential & commercial
Brampton
Full HVAC coverage
Vaughan
Including Woodbridge & Concord
Markham
East GTA homes & businesses
Richmond Hill
Residential & mixed-use
Scarborough
East Toronto
Etobicoke
West Toronto
Oakville
Halton Region
Pickering & Ajax
Durham Region
Whitby & Oshawa
East GTA
Client reviews

Commercial cooling feedback

They diagnosed a failing compressor on our air-cooled unit, priced repair vs replace, and we avoided a blind crane rental.
Facilities lead
North York office
Clear communication with our property manager and after-hours window that matched our lease requirements.
Ops manager
Mississauga
Replacement package sized correctly — approach temps finally stable in August heat.
Building owner
Markham
FAQ

Chiller FAQ — Toronto & GTA

Yes. We assess, repair, maintain, and help replace air-cooled and water-cooled chillers for GTA commercial facilities. Call 647 953-4252 with your equipment details.
Repeated major repairs, obsolete refrigerant, unavailable compressors, or chronic efficiency problems usually tip toward replacement. We document both paths with costs before you decide.
Many commercial sites need evenings or weekends. Tell us your access windows when you book — we plan lockout and crane needs around your operations.
Nameplate photos, recent alarm history, access to the mechanical room or roof, and a facilities contact. Water treatment records help for water-cooled plants.
Yes. Many buildings mix RTUs and chillers. See our commercial HVAC Toronto page for rooftop packages.
We triage by severity and parts. Peak summer demand can stretch schedules — call early with model numbers so we arrive prepared.
Cost depends on equipment capacity, brand, duct or piping complexity, electrical/gas upgrades, and whether you repair or replace. We provide written quotes after a site assessment so you can compare options fairly. Call 647 953-4252 for a visit.
Yes. We are based in North York at 132 Cartwright Ave and regularly serve Toronto, Mississauga, Vaughan, Markham, Scarborough, Etobicoke, Brampton, and nearby communities.
Yes. Gas and refrigeration work is performed by TSSA-licensed technicians. We follow Ontario code practice for venting, refrigerant handling, electrical disconnects, and condensate management.
Many like-for-like replacements finish in one day; complex duct, line-set, or commercial projects may take longer. Your written quote includes the expected schedule and any crane or access notes.

Need chiller help in the GTA?

Book an assessment with Toronto Air Systems. Call 647 953-4252 or send facility details online.

Request a chiller assessment Call 647 953-4252