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Packaged rooftop units, a cooling tower and exhaust fans on a Toronto commercial roof

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.

  • 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.

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

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

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

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

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

Block B | Specialty

Specialty Mechanical

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

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

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

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

Block C | Authorized Brands

Brand Pages

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

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

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.

Don't See Your GTA City?

Coverage from Toronto to Pearson, Mississauga to Markham. Call (437) TBD for a 24-hour written quote.

Packaged rooftop units on a Toronto commercial roof at dusk

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.

  • 24-hour written quote
  • Save on Energy filed for you
  • Red Seal + TSSA + ESA + CRE
  • $5M liability + WSIB
Book Assessment 24/7 Dispatch