What Is a Baseboard Heater? Here's Everything You Need to Know
Here are all the details you need to understand about baseboard heating.
While forced air is coveted in new homes, it's common for older homes and buildings to have heating systems like wood stoves, radiators, or baseboard heaters. Unlike natural gas furnaces, baseboard heating is highly efficient, converting 100% of its energy into heat. Additionally, baseboard heaters don't require ductwork, so they're easy to install along floor molding. If sized correctly, they can be a primary heating source for an appropriately sized room or a supplemental heat source for large ones.
Werner Straube
If you don’t want to install new ductwork or prefer zoned heating, baseboard heating allows you to control the temperature in each room easily. However, there are advantages and disadvantages that are important to know before choosing baseboard heaters as a heating source.
What Is a Baseboard Heater?
Baseboard heaters are long modular units installed underneath windows or other areas of high ambient heat loss.
How Do Baseboard Heaters Work?
Baseboard heaters have two parts: the thermostat and the heating element. The heating element slowly releases heat into the room. This type of heater doesn't need ductwork, blowers, or furnaces, but good air circulation is a crucial requirement to make sure these systems deliver heat effectively and efficiently. They shouldn't be positioned hidden behind furniture or other obstructions. To provide optimal heat distribution, baseboard heaters should be installed along exterior walls and below windows.
There are two types of electric baseboard heaters: convection and hydronic.
What is a Convection Baseboard Heater?
This baseboard heating doesn't require a central heating system or ductwork. Convection heaters collect cool air and warm it over electrically heated coils or metal fins. The heated air naturally rises by passive convection without using a fan to warm the room.
A wall-mounted or unit-attached thermostat controls the unit. Electric baseboard heaters have an on-and-off switch, but you can leave them running at a regular temperature setting. They're available in various sizes and heat capacities, which should be sized according to the space they must heat. Some units can be plugged into a standard electrical outlet.
What is a Hydronic Baseboard Heater?
Also known as hot water baseboard heaters, hydronic heaters use hot water to warm copper coils and generate heat. They are typically connected to a home’s central boiler. The boiler heats water using either gas, oil, or electricity. Hot water then runs through pipes into the baseboard heater units. Once cooled, the water returns to the boiler, where it is reheated. However, some hydronic baseboard heaters are self-contained, meaning they have an internal fluid reservoir (water or oil).
Although they take more time to heat up, once hydronic heaters reach the desired temperature, they provide long-lasting heat that remains after you turn off the thermostat.
Pros and Cons of Baseboard Heaters
Baseboard Heater Pros
Zone heating: With a baseboard heater, you can control the temperature of individual rooms. Also, you can quickly turn the unit on and off when rooms are not in use.
Easy installation: Since they don't require ductwork, baseboard heaters are easy to install. Mount them to the wall and hardwire them to the home's electrical lines. Hydronic heaters need tubing to run inside the wall, which makes it more complex to install than a standard convection electrical baseboard.
Supplemental heat source: If you live in an area with freezing winters without proper insulation, baseboard heaters come in handy. They provide a secondary source of heat to supplement central heat or fireplaces.
Quiet operation: Baseboard heaters are quieter than forced-air systems.
Easy to clean and maintain: You can easily vacuum these heaters on your own. You don't need a professional to clean the ductwork.
Baseboard Heater Cons
Expensive to operate: Expect higher utility bills than with forced air through an HVAC system.
Safety hazard: Electric baseboard heaters can get extremely hot. Without proper maintenance and care, they can become a fire hazard. To prevent fire, keep furniture and curtains at least six inches away. Hydronic baseboard heaters don't get hot enough to start a fire, presenting a significantly reduced fire hazard.
Dry heat: These heaters generate dry heat. It is common for people to develop dry skin, throat, and eyes. To counter dry heat, use a humidifier to add moisture to the air.
Things to Consider Before Adding a Baseboard Heater
Electric baseboard heaters are a good option for heating older homes that might require retrofitting radiators and newer homes that need an additional heat source. While efficient, baseboard heating can be costly to operate. High utility bills and fire safety are two major areas of concern. To prevent fires and maximize the heating capabilities, don't block the airway by placing anything in front of the heater, and don’t put anything flammable near the heater.
Vacuum regularly to keep dust, pet hair, and debris away from the heat source. Lastl, stay vigilant to keep small children and pets from burning themselves by touching a convection baseboard heater while it is still hot.
Related: 15 Essential Home Maintenance Tasks Every Homeowner Should Know How to Do
Additional Ways to Stay Warm
The Best Space Heaters for Your Garage, According to Experts
What is a Space Heater? How to Choose the Right One for Your Home
The 9 Best Heated Blankets to Keep You Cozy, According to Testing
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