Commercial HVAC in Ontario | Heating and Cooling Services

We Service Oakville, Burlington, Hamilton, Milton, Mississauga and Every Town in Between

Appleby Systems provides commercial HVAC services across Ontario, supporting heating, cooling, ventilation, and maintenance for non-residential buildings. Systems are selected to meet building requirements, operational demands, and long-term performance needs.

Commercial and industrial heating and cooling needs differ significantly from those of residential HVAC systems. That’s why we have specialized staff in both areas.

We have a full line of commercial products that will fill every heating and ventilation need

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Commercial Heating and Cooling Solutions in Oakville and Burlington

By selecting the right HVAC equipment, you can save money on heating and cooling while still maintaining a comfortable workspace. High-quality commercial equipment will concentrate on problem areas without increasing utility costs.

Packaged Heating and Cooling Systems for Commercial Spaces

These systems, also known as “rooftop units,” can provide heating in the winter months and cooling in the summer months with a thermostat that is located indoors. The system itself is built into an outdoor unit, usually on a concrete slab or other platform.

Unit Heaters

These heaters are gas-fired, gravity or power vented, axial-fan units that are ideal for use when space heating is needed. Unit heaters are an ideal solution in work areas with high ceilings; they are affordable to install and can heat large volume areas without the need for extensive duct systems.

Infra-Red Radiant Tube Heaters

The low-intensity/high-intensity infra-red heaters are compact and self-contained. They provide direct heating in commercial and industrial applications as well as some residential applications.

Infra-red radiant tube heaters are also ideal for use in factories, warehouses and shops. These heaters let you directly heat your target areas with fewer BTUs while using less fuel.

Some of the benefits of this kind of heat include:

Energy efficiency

Environmentally friendly

Quiet

Low maintenance

Easy to service

Low operating costs

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Routine Maintenance Plan (RMP) ›

Contract Maintenance Plan (CMP) ›

Routine Maintenance Plan (RMP)

Available for furnaces, air conditioners, ductless units, fireplaces, water tanks, indoor air quality products, commercial packaged rooftop units, unit heaters and radiant tube heaters.

Routine Maintenance Plan (RMP) is on a pay-per-use basis. You call us when you require maintenance and tune-up on your HVAC equipment (furnace and air conditioner), packaged rooftop heating and cooling systems, unit heaters and tube heaters.

Rooftop heating maintenance and tune-up can be completed at any time of the year.
Rooftop cooling maintenance requires warmer temperatures, generally performed in the months of April through to October.
Warehouse unit heaters and radiant tube heater maintenance can be completed at any time of the year.

Contract Maintenance Plan (CMP)

Available for furnaces, air conditioners, ductless split systems, fireplaces, water tanks and indoor air quality products, commercial packaged rooftop units, warehouse unit heaters and radiant tube heaters.

Contract Maintenance Plan (CMP), depending on office and warehouse traffic, a commercial heating and cooling contract maintenance will consist of either two, three or four service inspections per year to maintain your existing rooftop units, warehouse unit heaters or tube heaters. One visit in the spring/summer and one visit in the fall/winter, along with one or two extra visits for filter replacements. Once we have a list of the existing equipment, belts and filters required, we will price the maintenance contract at a discounted rate.

HVAC Product Protection Plan (HPP)

(Also known as Home Protection Plan) available for furnaces, air conditioners, ductless units, and fireplaces only.

HVAC Product Protection Plan (HPP) also known as the Home Protection Plan, offers a yearly maintenance on the equipment coupled with insurance/warranty. This plan is renewable each year offering parts and labour warranty on the selected equipment and includes one yearly maintenance and tune-up. This plan is only advisable if your equipment is out of manufacturer warranty.

This insurance plan warrants your equipment and all the listed functioning parts of the mechanical/electrical components for a period of one year, renewable at your choice each year. The equipment must be 20 years old or younger and qualified to be in good working order prior to being enrolled in the plan.

Commercial HVAC Services FAQs

What is commercial HVAC?

Commercial HVAC refers to heating, ventilation, and air conditioning systems used in non-residential buildings. These systems support business needs by managing temperature, airflow, and air quality across larger spaces and more complex layouts than residential systems.

How often should commercial HVAC systems be serviced?

Most systems should be serviced at least twice a year to support regular maintenance and identify issues early. Routine inspections help reduce wear, maintain efficiency, and prevent breakdowns before the system fails.

What are the benefits of energy-efficient commercial HVAC systems?

Energy-efficient systems reduce operating costs while supporting a comfortable environment. They can also lower a building’s carbon footprint by improving energy use without compromising temperature control or air quality.

What commercial HVAC needs should businesses plan for?

Commercial buildings have complex commercial HVAC needs based on size, occupancy, and usage patterns. The right HVAC solutions account for airflow demands, zoning, equipment load, and system optimization to reduce strain, prevent unexpected breakdown, and support long-term operational stability.

How do heat pumps work in commercial heating or cooling applications?

In commercial heating or cooling environments, heat pumps transfer heat rather than generate it, making them efficient for year-round temperature control. When paired with modern HVAC installations, including VRF systems, they support precise control, stable performance, and improved equipment lifespan.

Why is commercial HVAC maintenance important for system reliability?

Regular commercial HVAC maintenance helps identify wear, airflow issues, and refrigerant concerns before failures occur. Ongoing maintenance services also protect critical components like the boiler, reduce downtime, and extend system life while keeping operating costs predictable.

How do commercial HVAC solutions support energy efficiency in businesses?

Well-designed commercial HVAC solutions focus on system balance, controls, and automation to manage demand efficiently. By integrating intelligent controls and coordinated energy services, businesses can maintain comfort while lowering consumption and improving overall performance without sacrificing reliability.

Fast and Easy Ways to Save Money on Heating and Cooling Maintenance

Download our Free Guide to HVAC Evaluation. Who doesn’t like to save a bit of money? There are plenty of things you can do around the house to cut back on the costs of homeownership. Get your copy of this guide to learn some fast and easy tricks so you can handle your own HVAC audit!

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