# Commercial HVAC Services Toronto | RTU Toronto Pros

> 24 commercial HVAC + mechanical services across the GTA: RTU repair, install and replacement, chillers, cooling towers, MUA, DOAS and VFDs. 24-hr quote.

URL: https://rooftopunitstoronto.ca/services/

![Packaged rooftop units, a cooling tower and exhaust fans on a Toronto commercial roof](/images/hero/wide-view-of-a-toronto-commercial-roof-with-packag.webp)

All services

# 24 Commercial HVAC + Mechanical Services Across the GTA

Rooftop units, chillers, cooling towers, boilers, make-up air, DOAS and VFD retrofits for Toronto property managers, condo boards, landlords and plant engineers. Every service page lists symptoms, published prices, a case study and buyer FAQs.

Book a Site Assessment

[/contact/ →](/contact/)

 

Call (437) TBD

[tel:+14370000000 →](tel:+14370000000)

-   24-Hour Written Quote (not a sales pitch)
-   24/7 Emergency RTU Dispatch (2-4 hr on-roof GTA core)
-   Red Seal HVAC-R + TSSA + ESA + CRE Chiller
-   $5M Liability + WSIB + COI in 24 Hours
-   Save on Energy Rebate Filed on Your Behalf

1,800+

GTA installs

97%

Uptime

2-4 hr

On-roof, GTA core

48

Sites under contract

Grouped by what you are trying to do

## Find the Right Service for Your Building

Not sure which page fits? Start with the symptom. No cooling or no heat goes to repair or emergency. Rising hydro bills and repeat calls go to maintenance. A unit past 15-20 years goes to replacement. Anything with a chiller or tower goes to specialty mechanical.

Block A | Core RTU

## Core Rooftop Unit Services

Repair, install, replace and maintain packaged rooftop units on Toronto commercial roofs, with a written tally before any work starts.

 

![Open packaged rooftop unit compressor compartment on a Toronto commercial roof during a repair](/images/misc/red-seal-technician-tools-laid-beside-an-open-pack.webp) From $275

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

### 

Commercial Rooftop Unit Repair

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

Red Seal diagnostics for packaged RTUs: compressors, refrigerant, economizers, controls. Written tally before work starts.

-   Diagnostic $275-$425 business hours, written tally pre-work
-   Compressor repair / replace $2,400-$5,600
-   Refrigerant leak search + recharge $850-$2,800 (R-410A $85/lb)
-   Economizer + controls diagnostic $450-$900

Details + pricing

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

 

![Crane lowering a new packaged rooftop unit onto a roof curb in Toronto](/images/misc/mobile-crane-lowering-a-new-packaged-rooftop-unit-.webp) From $9,500

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

### 

Commercial Rooftop Unit Installation

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

New and added-capacity RTU installs sized with Manual J/S, crane coordinated, commissioned and signed off.

-   Manual J/S load sizing before quote
-   Crane, curb and roof reinforcement coordination
-   25/50/25 payment: order, install day, commissioning sign-off
-   Controls / BAS integration and commissioning report

Details + pricing

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

 

![Old rooftop unit lifted off a Toronto retail roof by crane during a replacement](/images/misc/old-rusted-rooftop-unit-being-lifted-off-a-toronto.webp) From $9,500

[/commercial-rooftop-unit-replacement-toronto/ →](/commercial-rooftop-unit-replacement-toronto/)

### 

Commercial Rooftop Unit Replacement

[/commercial-rooftop-unit-replacement-toronto/ →](/commercial-rooftop-unit-replacement-toronto/)

End-of-life RTU swaps with curb adapters, crane permits and rebate-net pricing.

-   Written repair-vs-replace recommendation
-   Custom curb adapter fabrication for legacy footprints
-   Crane day: hoisting + street-occupancy permits
-   Rebate-net pricing on qualifying retrofits

Details + pricing

[/commercial-rooftop-unit-replacement-toronto/ →](/commercial-rooftop-unit-replacement-toronto/)

 

![Commercial rooftop unit with an open panel under work lights at dusk in Toronto](/images/misc/service-van-headlights-and-a-commercial-rooftop-un.webp) From $425

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

### 

Emergency Rooftop Unit Repair

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

No-cool, no-heat and tripped-breaker calls answered by a Red Seal tech, not a call-centre ticket.

-   30-min dispatch window, 2-4 hr on-roof GTA core
-   Priority queue: restaurant, retail, dental, medical
-   Temp-cooling / temp-heating if not restorable same day
-   After-hours $280-$425/hr; call-out $425-$650

Details + pricing

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

 

![Open commercial rooftop unit with clean coil and new filters during quarterly maintenance](/images/misc/clean-condenser-coil-and-fresh-merv-13-filters-in-.webp) From $240

[/commercial-rooftop-unit-maintenance-toronto/ →](/commercial-rooftop-unit-maintenance-toronto/)

### 

Commercial Rooftop Unit Maintenance

[/commercial-rooftop-unit-maintenance-toronto/ →](/commercial-rooftop-unit-maintenance-toronto/)

Quarterly RTU inspections with written reports, locked per-unit pricing and priority dispatch.

-   Quarterly inspections, written report per visit
-   Annual RTU maintenance $295-$450/unit/yr
-   Bulk 12+ units per site $240-$340/unit/yr
-   Priority dispatch + locked pricing for contract sites

Details + pricing

[/commercial-rooftop-unit-maintenance-toronto/ →](/commercial-rooftop-unit-maintenance-toronto/)

 

![Packaged rooftop unit with economizer hood on a Toronto office roof](/images/misc/single-cabinet-packaged-rooftop-unit-with-economiz.webp) From $9,500

[/packaged-rooftop-unit-toronto/ →](/packaged-rooftop-unit-toronto/)

### 

Packaged Rooftop Units

[/packaged-rooftop-unit-toronto/ →](/packaged-rooftop-unit-toronto/)

Gas/electric and heat pump packaged units from authorized brands, sized to the roof and the load.

-   Gas/electric and heat pump packaged units
-   Sizing table by building use
-   Authorized brand line-up with OEM parts
-   Enbridge HER+ on heat pump conversions

Details + pricing

[/packaged-rooftop-unit-toronto/ →](/packaged-rooftop-unit-toronto/)

Block B | Specialty

## Specialty Mechanical

The chillers, cooling towers, boilers and mechanical rooms that single-truck shops turn away.

 

![Centrifugal chiller in a downtown Toronto tower mechanical room](/images/misc/large-centrifugal-chiller-in-a-downtown-toronto-to.webp) From $30,000

[/commercial-chiller-service-toronto/ →](/commercial-chiller-service-toronto/)

### 

Commercial Chiller Service

[/commercial-chiller-service-toronto/ →](/commercial-chiller-service-toronto/)

Centrifugal, screw and absorption chiller repair, retube and replacement by CRE-ticketed techs.

-   Centrifugal retube (100-500 ton) $50K-$180K
-   Screw chiller replacement (200-800 ton) $150K-$500K
-   Absorption overhaul $30K-$150K
-   Eddy current testing, oil analysis, seasonal startup + layup

Details + pricing

[/commercial-chiller-service-toronto/ →](/commercial-chiller-service-toronto/)

 

![Induced draft cooling tower on a Toronto office roof](/images/misc/induced-draft-cooling-tower-on-a-toronto-office-bu.webp) From $12,000

[/commercial-cooling-tower-service-toronto/ →](/commercial-cooling-tower-service-toronto/)

### 

Commercial Cooling Tower Service

[/commercial-cooling-tower-service-toronto/ →](/commercial-cooling-tower-service-toronto/)

Fill replacement, basin cleaning, water treatment and fan work on BAC, Marley and Evapco towers.

-   Fill + basin work $12K-$45K, 3-7 days
-   Water treatment and Legionella risk program
-   Drift eliminators, fan pitch, gearbox and VFD service
-   Coordinated with chiller startup and layup

Details + pricing

[/commercial-cooling-tower-service-toronto/ →](/commercial-cooling-tower-service-toronto/)

 

![Penthouse mechanical room with new pumps and piping in a Toronto condo tower](/images/misc/high-rise-penthouse-mechanical-room-with-new-circu.webp) From $75,000

[/high-rise-mechanical-room-hvac-toronto/ →](/high-rise-mechanical-room-hvac-toronto/)

### 

High-Rise Mechanical Room HVAC

[/high-rise-mechanical-room-hvac-toronto/ →](/high-rise-mechanical-room-hvac-toronto/)

Penthouse and basement plant retrofits: pumps, hydronic loops, chillers, controls, with board communication handled.

-   Mechanical room retrofit $75K-$300K, 4-8 wks
-   Pumps, hydronic loops, chillers, BAS controls
-   Status Certificate review + condo board comms
-   Bulk PTAC/VTAC programs for towers

Details + pricing

[/high-rise-mechanical-room-hvac-toronto/ →](/high-rise-mechanical-room-hvac-toronto/)

 

![Condensing commercial boilers with hydronic piping in a Toronto boiler room](/images/misc/pair-of-condensing-commercial-boilers-with-stainle.webp) From $15,000

[/commercial-boiler-hydronic-toronto/ →](/commercial-boiler-hydronic-toronto/)

### 

Commercial Boiler and Hydronic Service

[/commercial-boiler-hydronic-toronto/ →](/commercial-boiler-hydronic-toronto/)

Boiler repair and retrofit with TSSA G1/G2 gas techs, plus hydronic pumps, loops and controls.

-   Boiler retrofit $15K-$80K
-   Condensing and non-condensing boiler options
-   Hydronic pumps, loops and controls
-   TSSA G1/G2 gas licensing, Enbridge incentive filing

Details + pricing

[/commercial-boiler-hydronic-toronto/ →](/commercial-boiler-hydronic-toronto/)

 

![Several GTA commercial plaza rooftops with packaged rooftop units](/images/misc/aerial-view-of-several-gta-commercial-plaza-roofto.webp) From $35,000

[/facility-management-hvac-toronto/ →](/facility-management-hvac-toronto/)

### 

Facility Management HVAC + Portfolio Contracts

[/facility-management-hvac-toronto/ →](/facility-management-hvac-toronto/)

Multi-site HVAC contracts for PMs: locked per-site pricing, quarterly inspections, one point of contact.

-   Multi-site locked pricing from $295/unit/yr
-   Portfolio contracts $35K-$180K/yr
-   One point of contact per portfolio, quarterly inspections
-   COI in 24 hrs, Net-30 PM accounts

Details + pricing

[/facility-management-hvac-toronto/ →](/facility-management-hvac-toronto/)

Block C | Authorized Brands

## Brand Pages

Authorized Lennox, Carrier, York, Trane and Daikin commercial service with OEM parts stocked.

 

![Row of Lennox packaged rooftop units on a GTA industrial roof](/images/misc/row-of-lennox-packaged-rooftop-units-on-a-gta-indu.webp) From $9,500

[/lennox-rooftop-unit-toronto/ →](/lennox-rooftop-unit-toronto/)

### 

Lennox Rooftop Units

[/lennox-rooftop-unit-toronto/ →](/lennox-rooftop-unit-toronto/)

Authorized Lennox commercial RTU sales, install and repair with OEM parts on the truck.

-   Landmark, Energence, LCG models
-   Authorized dealer, OEM parts stocked
-   Prodigy controls diagnostics
-   Rebate-eligible high-efficiency units

Details + pricing

[/lennox-rooftop-unit-toronto/ →](/lennox-rooftop-unit-toronto/)

 

![Carrier WeatherMaker packaged rooftop unit on a GTA retail plaza roof](/images/misc/carrier-weathermaker-packaged-rooftop-unit-on-a-gt.webp) From $9,500

[/carrier-rooftop-unit-toronto/ →](/carrier-rooftop-unit-toronto/)

### 

Carrier Rooftop Units

[/carrier-rooftop-unit-toronto/ →](/carrier-rooftop-unit-toronto/)

Carrier WeatherMaker and 50TC commercial RTUs installed, repaired and replaced.

-   WeatherMaker + 50TC models
-   Common Carrier fault diagnostics
-   Legacy Carrier curb adapters
-   OEM parts stocked

Details + pricing

[/carrier-rooftop-unit-toronto/ →](/carrier-rooftop-unit-toronto/)

 

![York Predator packaged rooftop unit on a Scarborough commercial roof](/images/misc/york-predator-packaged-rooftop-unit-on-a-scarborou.webp) From $9,500

[/york-rooftop-unit-toronto/ →](/york-rooftop-unit-toronto/)

### 

York Rooftop Units

[/york-rooftop-unit-toronto/ →](/york-rooftop-unit-toronto/)

York Predator, Sunline and Sun Choice service, plus legacy York replacement planning.

-   Predator, Sunline, Sun Choice models
-   Legacy York replacement notes
-   Curb adapter fabrication
-   OEM parts stocked

Details + pricing

[/york-rooftop-unit-toronto/ →](/york-rooftop-unit-toronto/)

 

![Trane Voyager packaged rooftop unit on a Markham office roof](/images/misc/trane-voyager-packaged-rooftop-unit-on-a-markham-o.webp) From $9,500

[/trane-rooftop-unit-toronto/ →](/trane-rooftop-unit-toronto/)

### 

Trane Rooftop Units

[/trane-rooftop-unit-toronto/ →](/trane-rooftop-unit-toronto/)

Trane Precedent and Voyager RTUs with controls integration and OEM parts.

-   Precedent + Voyager models
-   ReliaTel controls diagnostics
-   BAS integration
-   OEM parts stocked

Details + pricing

[/trane-rooftop-unit-toronto/ →](/trane-rooftop-unit-toronto/)

 

![Daikin Rebel heat pump rooftop unit on a Toronto office roof](/images/misc/daikin-rebel-heat-pump-rooftop-unit-on-a-toronto-o.webp) From $9,500

[/daikin-rooftop-unit-toronto/ →](/daikin-rooftop-unit-toronto/)

### 

Daikin Rooftop Units

[/daikin-rooftop-unit-toronto/ →](/daikin-rooftop-unit-toronto/)

Daikin Rebel and Maverick RTUs, including heat pump options for electrification projects.

-   Rebel + Maverick models
-   Heat pump RTU options
-   Inverter compressor diagnostics
-   Enbridge HER+ on conversions

Details + pricing

[/daikin-rooftop-unit-toronto/ →](/daikin-rooftop-unit-toronto/)

Block D | Tonnage + Rebates

## Tonnage, Rebate + Add-On

Right-sized 3 to 20 ton units, make-up air, DOAS, VFD retrofits and the Save on Energy filing that pays for part of it.

 

![Compact 3-ton packaged rooftop unit above a small commercial suite](/images/misc/compact-3-ton-packaged-rooftop-unit-on-a-small-com.webp) From $9,500

[/3-ton-rooftop-unit-toronto/ →](/3-ton-rooftop-unit-toronto/)

### 

3-Ton Rooftop Units

[/3-ton-rooftop-unit-toronto/ →](/3-ton-rooftop-unit-toronto/)

Right-sized 3-ton RTUs for small retail, dental and medical suites.

Details + pricing

[/3-ton-rooftop-unit-toronto/ →](/3-ton-rooftop-unit-toronto/)

 

![5-ton RTU beside a kitchen exhaust fan and make-up air unit on a restaurant roof](/images/misc/5-ton-packaged-rooftop-unit-next-to-a-kitchen-exha.webp) From $9,500

[/5-ton-rooftop-unit-toronto/ →](/5-ton-rooftop-unit-toronto/)

### 

5-Ton Rooftop Units

[/5-ton-rooftop-unit-toronto/ →](/5-ton-rooftop-unit-toronto/)

5-ton RTUs for restaurants and small offices, sized for kitchen and occupancy loads.

Details + pricing

[/5-ton-rooftop-unit-toronto/ →](/5-ton-rooftop-unit-toronto/)

 

![10-ton packaged rooftop unit lifted by crane over a GTA office building](/images/misc/10-ton-packaged-rooftop-unit-being-lifted-by-crane.webp) From $18,000

[/10-ton-rooftop-unit-toronto/ →](/10-ton-rooftop-unit-toronto/)

### 

10-Ton Rooftop Units

[/10-ton-rooftop-unit-toronto/ →](/10-ton-rooftop-unit-toronto/)

10-ton packaged RTUs for larger retail and office floors, with crane and curb planning.

Details + pricing

[/10-ton-rooftop-unit-toronto/ →](/10-ton-rooftop-unit-toronto/)

 

![20-ton packaged rooftop unit lifted by crane over a Scarborough warehouse](/images/misc/large-20-ton-packaged-rooftop-unit-suspended-from-.webp) From $32,000

[/20-ton-rooftop-unit-toronto/ →](/20-ton-rooftop-unit-toronto/)

### 

20-Ton Rooftop Units

[/20-ton-rooftop-unit-toronto/ →](/20-ton-rooftop-unit-toronto/)

15-20 ton RTUs with structural review and crane day for industrial and large commercial roofs.

Details + pricing

[/20-ton-rooftop-unit-toronto/ →](/20-ton-rooftop-unit-toronto/)

![Direct-fired make-up air unit beside a kitchen exhaust fan on a Toronto restaurant roof](/images/misc/direct-fired-make-up-air-unit-beside-a-kitchen-exh.webp)

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

### 

Make-Up Air Unit Service

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

Direct and indirect fired MUA repair, replacement and balancing for restaurants and parking garages.

Details + pricing

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

![Dedicated outdoor air system unit with energy recovery on a Toronto office roof](/images/misc/dedicated-outdoor-air-system-unit-with-energy-reco.webp)

[/doas-system-toronto/ →](/doas-system-toronto/)

### 

DOAS Systems

[/doas-system-toronto/ →](/doas-system-toronto/)

DOAS install and service with energy recovery for ventilation and IAQ upgrades.

Details + pricing

[/doas-system-toronto/ →](/doas-system-toronto/)

 

![Variable frequency drive panels beside supply fans in a Toronto mechanical room](/images/misc/variable-frequency-drive-panels-mounted-beside-lar.webp) From $8,000

[/vfd-upgrade-commercial-hvac-toronto/ →](/vfd-upgrade-commercial-hvac-toronto/)

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VFD Upgrades for Commercial HVAC

[/vfd-upgrade-commercial-hvac-toronto/ →](/vfd-upgrade-commercial-hvac-toronto/)

Variable frequency drive retrofits on supply fans, pumps, towers and chillers.

Details + pricing

[/vfd-upgrade-commercial-hvac-toronto/ →](/vfd-upgrade-commercial-hvac-toronto/)

![New high-efficiency rooftop units on a Mississauga roof with a rebate application](/images/misc/new-high-efficiency-packaged-rooftop-units-on-a-mi.webp)

[/save-on-energy-retrofit-toronto/ →](/save-on-energy-retrofit-toronto/)

### 

Save on Energy Retrofit

[/save-on-energy-retrofit-toronto/ →](/save-on-energy-retrofit-toronto/)

Pre-audit, application and rebate netted against your invoice on qualifying HVAC retrofits.

Details + pricing

[/save-on-energy-retrofit-toronto/ →](/save-on-energy-retrofit-toronto/)

## Don't See Your GTA City?

Coverage from Toronto to Pearson, Mississauga to Markham. Call 

(437) TBD

[tel:+14370000000 →](tel:+14370000000)

 for a 24-hour written quote.

All Service Areas

[/service-areas/ →](/service-areas/)

 

Get a Written Quote

[/contact/ →](/contact/)

![Packaged rooftop units on a Toronto commercial roof at dusk](/images/misc/toronto-commercial-rooftop-at-dusk-with-a-row-of-p.webp)

24/7 dispatch | 2-4 hr on-roof GTA core

## Book a Site Assessment

Written quote within 24 hours. Parts, labour, crane, permit and HST on one line.

Book a Site Assessment

[/contact/ →](/contact/)

 

Call (437) TBD

[tel:+14370000000 →](tel:+14370000000)

-   24-hour written quote
-   Save on Energy filed for you
-   Red Seal + TSSA + ESA + CRE
-   $5M liability + WSIB