ABOUT US

ABOUT KONTROL BUILDINGS

Full-service commercial HVAC, plumbing, and building automation for property managers across the GTA and Ontario. Helping our customers Operate a Better Building.

400+
Buildings Served
15+
Years Experience
99%
Response Under 4h
24/7
Emergency Service
Book a Free Site Inspection
WHAT MAKES US DIFFERENT

Built for Property Managers

Kontrol Buildings is built specifically for property managers managing commercial and multi-residential buildings. Every technician, process, and reporting structure is designed for the complexity of multi-tenant buildings where emergency response time, documented maintenance records, and transparent pricing directly affect building operations and tenant satisfaction.

We do not add fuel surcharges. We disclose all truck charges upfront. We deliver quarterly reports as standard on every preventive maintenance program. Property managers receive documented maintenance records, system condition assessments, energy performance data, and capital planning recommendations every quarter — formatted for board presentation and owner reporting.

WHAT WE DO

Commercial HVAC Services

HVAC Service & Repair

24/7 emergency service — boiler emergencies, cooling failures, rooftop unit breakdowns. 99% response within 4 hours. Learn more →

Preventive Maintenance

Boilers, cooling towers, RTUs, MAUs, fan coils, WSHPs, and common area equipment. Quarterly reporting as standard. Learn more →

HVAC Retrofit

Boiler replacements, cooling tower replacements, RTU replacements, fan coil fleet programs, and Ontario incentive applications. Learn more →

Commercial Plumbing

Hydronic heating, domestic hot water, cooling tower water treatment, mechanical room plumbing, water conservation retrofits. Learn more →

Backflow Testing

OWWA certified. Registered with all major GTA municipalities. Survey through testing, repairs, and municipal submission. Learn more →

Building Automation

BAS design, integration, optimization, and maintenance across all major platforms. Learn more →

Energy Management

Monitoring, analytics, decarbonization planning, and ESG reporting support. Learn more →

HVAC Design Build

System design, engineering, and installation for new builds, fit-ups, and conversions. Learn more →

Sustainability

Energy-efficient upgrades, water conservation retrofits, and decarbonization planning for ESG targets. Learn more →

CREDENTIALS

Certifications & Memberships

Avetta 2025 Safety Star certified. BBB+ accredited. HRAI, ORAC, and ACMO member. Local 787 certified. TSSA licensed. G1/G2 gas fitter. 313A refrigeration mechanic. A2L refrigerant certified. OWWA certified backflow tester.

EQUIPMENT

Manufacturer Independent

Boiler plants, cooling towers, chillers, RTUs, MAUs, fan coil units (Whalen, Unilux, Bulldog), water source heat pumps (ClimateMaster, Omega, WaterFurnace, Trane), PTACs, Magic-Pak, and Skymark units. Trane, Lennox, Carrier, RBI, Lochinvar, and many more.

OUR CLIENTS

Trusted by Industry Leaders

BGO (BentallGreenOak) · Dream REIT · Avison Young · BGIS · Manulife · JLL (Jones Lang LaSalle) · Kinvest · Compass · Pure · Torgan and many more.

WHERE WE SERVE

Across the GTA and Ontario

Toronto · Mississauga · Vaughan · Brampton · Markham · Richmond Hill · Oakville · Scarborough · Etobicoke · North York · Burlington · London · Kingston · Barrie

Commercial offices · Industrial · Multi-residential · Condominiums · Retail · Mixed-use · Institutional

RESOURCES

Property Manager Resource Library

An extensive library of commercial HVAC resources for Ontario property managers.

Commercial HVAC Guide

Complete 2026 reference for GTA property managers. Read →

Multi-Residential Guide

HVAC guide for multi-residential property managers. Read →

Condo HVAC Guide

Definitive guide for condo PMs and boards. Read →

Boiler Replacement Guide

Decision framework for boiler projects. Read →

Ontario Incentives 2026

Active programs for commercial buildings. Read →

Maintenance Contracts

What's included, costs, what to watch for. Read →

Replacement Costs

What drives HVAC replacement costs. Read →

Service Costs 2026

GTA commercial HVAC cost guide. Read →

Emergency Response

What property managers should expect. Read →

R-410A Phase-Out

What every GTA PM needs to know. Read →

10 Signs — Replace Not Repair

When repair costs signal replacement. Read →

QUESTIONS

Frequently Asked

About Kontrol Buildings
Who is Kontrol Buildings?
Kontrol Buildings is a full-service commercial HVAC, plumbing, and building automation company headquartered in Vaughan, Ontario. We have served 400+ buildings across the GTA and Ontario for over 15 years.
What areas does Kontrol Buildings serve?
Toronto, Mississauga, Vaughan, Brampton, Markham, Richmond Hill, Oakville, Scarborough, Etobicoke, North York, Burlington, London, Kingston, and Barrie.
What types of buildings do you service?
Commercial offices, industrial facilities, multi-residential apartment buildings, condominiums, retail plazas, mixed-use properties, and institutional buildings.
Services & Equipment
What commercial mechanical services do you provide?
HVAC service and repair, preventive maintenance, HVAC retrofits, design build, building automation, energy management, commercial plumbing, and backflow prevention testing.
Which equipment suppliers do you work with?
All major HVAC manufacturers including Trane, Lennox, Carrier, RBI, Lochinvar, and many more. Manufacturer-independent — equipment selected based on each building's requirements.
Do you service boilers and heating systems?
Yes. Boiler maintenance, repair, and replacement for fire-tube and water-tube boilers, atmospheric and condensing systems, and complete hydronic heating plants. TSSA licensed and G1/G2 certified. Read our boiler replacement guide.
Do you provide commercial plumbing and backflow testing?
Yes. Full-service commercial plumbing including hydronic heating, domestic hot water, and mechanical room plumbing. OWWA certified backflow testing registered with all major GTA municipalities.
Response & Credentials
What is your emergency response time?
99% of commercial HVAC emergencies responded to within 4 hours — 24/7/365. Learn more about our emergency response.
What certifications and memberships do you hold?
Avetta 2025 Safety Star, BBB+ accredited, HRAI member, ORAC member, ACMO member. Technicians are Local 787 certified, TSSA licensed, G1/G2, 313A, A2L certified, and OWWA certified.
Getting Started
Do you offer a free building assessment?
Yes. Free, no-obligation site inspection for any commercial or multi-residential property. A senior technician reviews your systems and provides feedback on condition, priorities, and efficiency opportunities. Book a free assessment.