Kontrol Buildings is a commercial and industrial HVAC company that serves property managers, commercial landlords, and business owners in the Greater Toronto Area.

Since 2010, we have been providing excellent repair, installation, maintenance, retrofit, and system design services.

In today's commercial real estate landscape, indoor air quality (IAQ) is no longer optional—it's a critical factor for tenant health, productivity, and building value. Kontrol Buildings leads the way in the Greater Toronto Area (GTAA) with tailored HVAC and plumbing solutions that prioritize clean air, energy efficiency, and seamless operations for property managers and owners.

Kontrol Buildings' expertise ensures your HVAC system not only meets but exceeds these requirements, fostering healthier environments that attract premium tenants.​

A commercial HVAC emergency can strike at the worst possible time—during a freezing January cold snap, in the middle of a July heat wave, or on a critical business day when your building is fully occupied. As a property manager or building owner in Toronto, knowing how to respond quickly and effectively can mean the difference between minor disruption and major tenant complaints, business interruption, or even property damage.

At Kontrol Buildings, we respond to 99% of commercial HVAC emergencies within 4 hours across the Greater Toronto Area. Based on thousands of emergency service calls, we've created this essential guide to help you navigate HVAC crises with confidence.

Commercial HVAC maintenance is the foundation of reliable building operations in Toronto. A comprehensive maintenance program protects your investment, reduces energy costs, and ensures tenant comfort year-round.

At Kontrol Buildings, we've maintained hundreds of commercial HVAC systems across the Greater Toronto Area. This guide covers everything Toronto property managers and building owners need to know about commercial HVAC maintenance programs, service schedules, and return on investment.

Imagine a late-night HVAC issue: Instead of waiting until morning, it’s triaged instantly, scheduled promptly, and resolved with the right parts on hand—all while minimizing disruption to your building. That’s the reality we’re creating with our new AI integrations. We’ve rolled out our new smart innovations, to make our commercial HVAC service even more responsive and efficient.

Kontrol Buildings will formally launch our commercial plumbing division on January 19th, 2026, with a laser focus on customer service and rapid response. 24/7/365 live dispatch (the same number you already call for HVAC emergencies)

By intelligently organizing data, #AI empowers managers to make informed decisions, streamline operations, and enhance building performance. We're building an AI-powered solution to help our customers achieve more with less.

As you are preparing your tenders for your HVAC equipment retrofits, it's important to consider the incentives which may be available to you.  If you need assistance in evaluating equipment or specific opportunities, we would be pleased to assist.

At Kontrol Buildings, we remain committed to delivering reliable, high-quality HVAC installations, maintenance, and service to help you Operate A Better Building. In light of the current dynamic international trade environment, we are closely monitoring developments in U.S. trade policies, including announced and proposed tariff actions, as well as potential reciprocal or retaliatory measures from Canada.

IoT upgrades for large HVAC systems offer significant benefits in terms of efficiency, control, and cost savings. These smart systems leverage interconnected sensors, data analytics, and remote management capabilities to optimize performance and enhance user comfort

An optimized HVAC system is crucial for commercial buildings, offering numerous benefits and preventing costly issues. Regular maintenance improves energy efficiency, leading to lower energy bills and reduced operational costs. It also extends the lifespan of the system, which typically lasts 15 to 20 years with proper care.

Here are the main advantages:

Higher Property Value

Green buildings can be valued up to 25% higher than conventional buildings.

Air quality and filter technology have seen significant advancements in recent years, with new innovations aimed at improving indoor air quality.

Here are some key developments to support a return to the office:

HEPA and Activated Carbon Filters:

Dual Fuel HVAC Systems - What You Need to Know

Dual Fuel systems are innovative heating and cooling solutions that combine the benefits of an electric heat pump and a gas furnace.

How Dual Fuel Systems Work

As AI continues to evolve, it promises to make buildings more intelligent, efficient, and responsive to occupant needs, paving the way for truly smart and sustainable built environments.

Here's an overview of how AI is transforming various aspects of building systems:

Overall, Canada takes a multi-faceted approach to indoor air quality, combining federal and provincial regulations with industry standards and guidelines. Regular maintenance, monitoring, and prompt investigation of issues are emphasized for maintaining good IAQ.

We are thrilled to announce the launch of our new Customer Loyalty Program. This initiative is our way of expressing gratitude to our valued customers who have been with us for many years. Your ongoing support and loyalty mean the world to us, and we want to ensure you feel appreciated every step of the way.

In recent years, the Canadian market has witnessed a significant shift towards sustainable and energy-efficient solutions in the real estate sector. One such innovation that has gained traction is the emergence of hybrid heat pump rooftop units.