Commercial rooftop HVAC unit on a Toronto office building
Pricing

Commercial HVAC Cost Toronto 2026: Real GTA Pricing by Service

EFEcoFrost TeamMay 23, 2026Updated May 20269 min read

Property managers in Toronto get one of two answers when they ask "how much does commercial HVAC cost?": (1) "It depends, we have to look at it" or (2) a wildly padded number that protects the contractor and ruins your budget approval. This guide gives real 2026 GTA pricing for the eight most common commercial HVAC line items, plus the hidden costs nobody mentions until invoice day.

2026 Commercial HVAC Price List (GTA)

These are the ranges EcoFrost quotes today for commercial work across Toronto, Mississauga, Brampton, Vaughan, and the rest of the GTA. Final price depends on building access, equipment tier, and refrigerant type.

Service / EquipmentTypical Range (CAD)What is Included
RTU diagnostic & service call (business hours)$185 - $245Travel, first hour labour, written report
RTU after-hours emergency call$285 - $385Travel, first hour labour, after-hours premium
RTU preventive-maintenance visit (single)$245 - $345Inspection, filter change, belt check, refrigerant pressure, combustion check
RTU like-for-like replacement (5 ton, single-stage)$11,500 - $16,500Unit, roof curb adapter, gas/electrical reconnect, refrigerant, disposal
RTU high-efficiency upsize (7.5-10 ton, 2-stage)$18,500 - $28,000Unit, controls, all reconnects, commissioning
Commercial furnace install (150-300 MBH)$6,800 - $14,500Unit, gas piping, venting, electrical, combustion test
Atmospheric to condensing boiler swap (300-500 MBH)$14,000 - $32,000Boiler, near-boiler piping, venting conversion, controls
Multi-zone ductless / VRF (4-8 zones)$18,500 - $42,000Outdoor unit, indoor heads, branch boxes, line sets, controls
Annual maintenance contract (per RTU)$485 - $785Two visits/year, priority dispatch, fixed labour rate
Crane rental for RTU lift (typical)$1,200 - $5,000Crane, operator, rigger, traffic-control permit if needed
πŸ’‘ Quick rule of thumb: budget about $2,000-$2,800 per ton of cooling for commercial RTU installation in the GTA, including all standard accessories. For a typical 7.5-ton plaza retail unit replacement, that pencils to roughly $15,000-$21,000 all-in.

Five Hidden Costs Property Managers Forget

These are the line items that turn a clean quote into a budget overrun. Pricing them up front means no awkward change-order conversation with the owner.

01

Crane and traffic-control permits

Any roof above two storeys, or any tight site requiring street closure, needs a crane lift and a City of Toronto / municipal traffic-control permit. Budget $1,200-$3,500 for the crane and $400-$1,500 for the permit and flag persons. Schedule weeks ahead in summer.

02

Roof curb adapter

If you switch brands (say, replacing an old Carrier with a new Lennox), the roof opening rarely matches. A custom curb adapter runs $400-$1,200 fabricated plus 1-2 hours of install labour. Like-for-like brand replacement usually avoids this cost.

03

Electrical disconnect and breaker upgrade

New high-efficiency RTUs often draw a different minimum circuit ampacity (MCA) than the unit you are replacing. If the existing breaker or disconnect is undersized, plan $500-$2,000 for the electrical upgrade. Required by code; no shortcuts.

04

Refrigerant recovery on R-22 systems

Pre-2010 RTUs often still run on R-22 (phased out since 2020). Recovery is included in any responsible swap, but if a leak is found mid-service, R-22 top-off runs $80-$150 per pound and a typical 5-ton charge is 8-12 lbs. The numbers add up fast on a system limping toward replacement.

05

BMS / controls integration

If your building runs a Honeywell, Johnson, or Distech BMS, the new RTU needs to talk to it. Budget $800-$3,500 for controls programming, point mapping, and commissioning. Skip the integration and your facility staff loses visibility into the unit they just paid $15,000 for.

Maintenance Contract Math

Property managers often ask whether annual maintenance contracts pay for themselves. The math, based on 10 years of GTA commercial work:

  • A typical 5-ton RTU on a 2-visit maintenance program runs $485-$785 per year and lasts 18-22 years before replacement.
  • The same RTU with no maintenance averages 11-14 years before replacement, with 2.3x more reactive service calls along the way.
  • Over a 20-year horizon, the contracted unit costs about $11,000 in maintenance plus $14,000 replacement = $25,000.
  • The non-contracted unit costs about $5,000 in maintenance, $22,000 in reactive calls, and two replacements = $51,000.
  • Bottom line: contracts cut 20-year total cost of ownership by roughly 45-50 percent on the average commercial unit.
πŸ› οΈ Bonus value of a contract beyond the math: priority dispatch when something fails on the hottest July afternoon, a written capital-replacement plan you can drop straight into your reserve fund, and one HVAC contact who already knows the building.

Rebates Available for Commercial HVAC in 2026

Commercial rebate programs in Ontario are smaller per project than residential but still material on multi-unit retrofits.

  • Save on Energy Retrofit Program - prescriptive rebates for high-efficiency RTUs ($200-$1,500 per ton), VRF systems, ECM motor upgrades, and lighting + controls. Application handled by the contractor; you sign one form.
  • Save on Energy Custom Program - for larger retrofits and unusual measures where prescriptive rates do not apply. Requires engineering-grade savings analysis (typically $2,500-$8,000) but unlocks bigger rebates on bigger projects.
  • Enbridge Commercial Custom Program - natural-gas-focused incentives for boiler upgrades, condensing equipment, and process heating. Pairs with electrical rebates on hybrid projects.
  • Federal Clean Technology Investment Tax Credit - for certain heat pump and electrification projects in commercial settings, up to 30 percent of eligible cost. Tax credit, not a cheque, so it lands at filing time.

How to Get an Accurate Commercial HVAC Quote

Three things to send any commercial HVAC contractor before they quote:

01

Equipment inventory

Make, model, serial number, and age of each unit. A photo of the rating plate is faster than typing.

02

Building drawings or floor plan

Even a rough sketch helps with sizing, ductwork, and access planning.

03

Constraints and timing

Business hours, after-hours access rules, weekend availability, target install window, budget ceiling. The more we know up front, the tighter the quote.

#commercial HVAC#cost#Toronto#GTA#RTU#pricing

?Frequently Asked Questions

How much does a commercial HVAC service call cost in Toronto?

Business-hour diagnostic calls in the GTA run $185 to $245 depending on travel zone (downtown, 905-belt, north GTA). After-hours emergency calls run $285 to $385. Most calls include the first hour of labour; parts and additional labour are billed separately and quoted before work proceeds.

What does a 5-ton RTU replacement cost?

A like-for-like 5-ton single-stage rooftop unit replacement in the GTA runs $11,500 to $16,500 installed, including the unit, roof curb adapter if needed, gas and electrical reconnection, refrigerant charge, and disposal of the old unit. Crane rental for upper-floor or restricted-access roofs adds $1,200 to $3,500. Upsizing to 7.5 or 10 tons with 2-stage controls bumps the total to $18,500-$28,000.

How much should a commercial maintenance contract cost?

Annual preventive-maintenance contracts in the GTA typically run $485 to $785 per RTU per year for two scheduled visits (spring cooling start-up and fall heating start-up). Quarterly programs run $785 to $1,250 per unit. Larger portfolios negotiate volume pricing. Contract clients also get priority dispatch and discounted after-hours rates.

Is commercial HVAC more expensive than residential?

Per service call, yes. Commercial units are larger, sit on roofs (requiring lift equipment and fall-arrest), use three-phase power, and often need refrigerant recovery equipment rated for higher charges. A residential AC tune-up might be $149; a commercial RTU tune-up is $245-$345. But per ton of cooling, commercial pricing is competitive: residential is about $1,200-$1,800 per ton installed, commercial about $2,000-$2,800 per ton for RTUs.

What hidden costs should I budget for?

Five common surprises: (1) Crane rental and traffic-control permits for roof access, $1,200-$5,000. (2) Roof curb adapter when replacing across brands, $400-$1,200. (3) Electrical disconnect upgrade if the existing breaker does not meet new equipment MOCP, $500-$2,000. (4) Refrigerant top-off on aging R-22 systems if a leak is found, $80-$150 per pound. (5) BMS / building automation integration if the new unit needs to talk to your existing controls, $800-$3,500.

Are commercial rebates available in Ontario?

Yes, though most are smaller than residential. Save on Energy offers commercial prescriptive rebates for high-efficiency RTUs, VRF systems, and controls upgrades ($200-$1,500 per ton typical). Custom Energy Manager program supports larger retrofits with engineering-grade savings calculations. We help clients identify and apply for applicable rebates as part of major project quotes.
EF

EcoFrost Heating & Cooling

Toronto's Trusted HVAC Experts Since 2015

Our certified HVAC technicians have served 5,000+ Toronto-area homes. We write about heating, cooling, and air quality from real field experience not marketing copy. Learn about us β†’

Serving Toronto & the GTA Since 2015

Toronto Β· Mississauga Β· Brampton Β· Vaughan Β· Markham Β· Richmond Hill Β· Oakville

Call NowBook Online