Baseboard heating is a familiar sight in many Ontario homes, particularly older houses and spaces where ductwork isn’t practical. While baseboard heaters are simple, reliable, and relatively inexpensive to install, they’re not always the most cost-effective or comfortable option for long Canadian winters.
In this guide, the HVAC experts at Comfort Zone Services explain what baseboard heating is, how it works, and the pros and cons of baseboard heating in Ontario.
What Is Baseboard Heating?
Baseboard heating is a type of electric resistance heating system installed along the base of interior or exterior walls, ideally beneath windows. Each unit heats the surrounding air using internal electric elements. As the air warms, it rises and circulates through the room by natural convection.
There are two main types of baseboard heating systems:
Electric Baseboard Heaters (Most Common)
- Powered entirely by electricity
- Controlled by individual wall-mounted thermostats
- No ductwork required
Hydronic Baseboard Heating (Less Common)
- Uses hot water heated by a boiler
- Heat circulates through pipes inside the baseboard unit
- Provides more even heat, but has a higher upfront cost
In Ontario, electric baseboard heaters are by far the most common type of baseboard heating system.
Baseboard Heat: How Does It Work?
If you’re wondering how baseboard heat works, the process looks like this:
- Cool air enters the bottom of the baseboard heater
- Electric heating elements warm the air
- Warm air rises into the room
- Cooler air is pulled in to repeat the cycle
Because baseboard heaters rely on convection rather than forced air, heat distribution can be slower and less even, especially in larger rooms or poorly insulated spaces.
How Common Is Baseboard Heating in Ontario?
According to Statistics Canada, heating systems vary significantly by region. In Ontario, forced air furnace systems are the most common (used by roughly 75% of households).Â
That said, electric baseboard heaters still account for about 25% of primary heating systems across Canada.
Baseboard heating is most often found in:
- Older homes built without ductwork
- Condos and apartments
- Basements, sunrooms, and home additions
- Smaller homes where zoned heating is preferred
Energy Efficiency vs. Operating Cost: A Key Distinction
One of the biggest misconceptions about baseboard heating is efficiency.
Natural Resources Canada notes that electric resistance heating systems, which include electric baseboard heaters, are technically 100% efficient, meaning all the electricity they use is converted directly into heat. There are no combustion losses, and heat doesn’t escape through a chimney.Â
However, efficiency does not equal affordability.
Natural Resources Canada also states that space heating accounts for roughly 60% of the average home’s total energy use. This makes heating system choice one of the most important decisions a homeowner can make.
In Ontario, electricity is more expensive than natural gas on a per-unit basis. As a result, baseboard heating has significantly higher operating costs, especially when used as a whole-home heating solution.
Pros of Baseboard Heating
Easy Installation
Baseboard heater installation is relatively simple when done by a licensed heating contractor, and the systems do not require ductwork. This makes it appealing for renovations, older homes, and additions.
Zoned Temperature Control
Each room typically has its own baseboard heater thermostat, allowing homeowners to control the temperature in every space individually.
Quiet Operation
Baseboard heaters operate silently because they don’t use fans or have moving parts.Â
Low Maintenance
There are fewer components that can fail, so baseboard heating repair is relatively straightforward compared to heat pump or furnace repair.Â
No Combustion Risks
Electric baseboard heaters produce no combustion gases. This eliminates the risks associated with carbon monoxide.
Cons of Baseboard Heating
High Operating Costs in Ontario
While baseboard heaters are efficient, electricity costs make them expensive to run during cold winters.Â
Uneven Heat Distribution
Heat rises naturally, which can leave floors cool and upper areas warmer.
Slower Heating
Baseboard heaters take longer to warm rooms compared to forced-air systems.
Aesthetic Limitations
Visible baseboard units can interfere with furniture placement and interior design.
Difficult to Convert Later
Once baseboard heating is installed, switching to another heating system can be costly if you don’t have existing ductwork.Â
Environmental Considerations
Natural Resources Canada explains that the environmental impact of heating depends on:
- Energy source
- Total energy consumption
- Regional electricity generation
While electric heating produces no on-site emissions, high electricity usage still increases environmental impact, especially during peak demand periods.
Improving insulation, sealing drafts, and upgrading heating systems are some of the most effective ways to reduce both energy costs and your environmental footprint.
How Baseboard Heating Compares to Other Systems
Baseboard Heating
- 100% efficiency at the point of use
- High electricity cost
- Best for small or supplemental spaces
Forced-Air Furnaces
- 90–98% Annual Fuel Utilization Efficiency (AFUE) efficiency
- Lower cost per unit of heat (natural gas)
- Ideal for whole-home heating in Ontario
Heat Pumps
- 200–300% efficiency (the Canadian Climate Institute found heat pumps use 65% less energy than electric baseboard heating)
- Provide heating and cooling
- Higher upfront cost, lower long-term bills
As energy prices continue to rise, many Ontario homeowners are transitioning away from baseboard heating toward more efficient systems.
When Baseboard Heating Makes Sense
Baseboard heating may be a good option if:
- You’re heating a small space or addition
- Your home lacks ductwork
- You want zoned room-by-room control
Your upfront budget is limited
When It’s Time to Consider an Upgrade
You may want to explore alternatives if:
- Heating bills are consistently high
- Rooms heat unevenly
- You’re planning to stay in your home for a while
- You want better comfort and efficiency
Keep in mind that heating systems are long-term investments, so it’s always best to balance the upfront cost with long-term operating costs.
Final Thoughts: Is Baseboard Heating Right for Your Ontario Home?
Baseboard heating is still a viable option in certain situations, but for many Ontario homeowners, rising electricity costs and comfort concerns make it less appealing as a primary heating system.
Understanding the pros and cons allows you to make an informed decision that balances comfort, efficiency, and long-term costs.
If you’re unsure whether to repair, replace, or upgrade your baseboard heating system, Comfort Zone Services is here to help.
Contact us today to speak with one of our experienced licensed heating contractors in London and find the best solution for your home.