What is the Difference Between Radiant and Convection Heaters?

When it comes to home heating in the remaining weeks of winter, and you’re shopping around for portable heaters and the like, you might be wondering:

What is the difference between radiant and convection heaters?

Knowing the answer can make a real difference to comfort, efficiency and cost. Both types provide warmth, but they work in different ways and suit different spaces. Let’s take a look at both options in closer detail, so you can decide which best suits your home.

How Radiant Heaters Work – Direct Heat to Objects and Surfaces

As its name suggests, a radiant heater produces infrared radiation that warms people, furniture and surfaces directly rather than the air around them.

This method uses infrared radiation from heating elements to create a warm glow, much like feeling the sun beaming down on your skin. Because radiant heating relies on direct heat transfer, it gives instant warmth without waiting for the air temperature to rise. It provides effective heating that is ideal for:

• Outdoor spaces
• Rooms with high ceilings
• Spaces where warm air rises and escapes

A radiant heating system can be more energy efficient for targeted comfort as it heats only where you need it. It keeps wasted energy to a minimum, which is exactly what you want, especially when you keep it well serviced and maintained.

How Convection Heaters Work – Heating the Air Around You

Then you have convection heaters. These use convection heat transfer to warm the air in a room. As the heating elements warm the air around them, it rises. This is because, as we know from high school science, hot air rises and cold air sinks. This creates a continuous cycle, circulating warm air until the whole room reaches the desired temperature.

Convection heaters distribute heat evenly, making them great for enclosed rooms and large spaces that require consistent warmth. But because convection heat relies on air movement, it can spread dust particles and may not be as effective in draughty areas.

Radiant vs Convection Heaters Key Differences

As you seek an answer to the question “What is the difference between radiant and convection heaters?”, it’s worth breaking everything down to the main characteristics. Each heating method works differently and suits different spaces and needs:

• Radiant heating directly heats objects and surfaces, while convection heat raises the air temperature.
• Radiant heaters give instant warmth, while convection heat takes time to spread.
• Convection heaters heat the whole room, but radiant heaters excel at direct heating.
• Radiant heating doesn’t spread dust particles.
• Convection heating offers more even heat across larger enclosed spaces.

Both convection and radiant heating can be highly effective solutions for your home. Which one comes out on top, though? That depends largely on the environment and comfort preference.

Energy Efficiency and Running Costs

Energy efficiency is always a major factor in choosing your preferred home heating solution. As it happens, the difference in energy efficiency between radiant and convection heat is quite significant, and your choice will affect long-term running costs.

As we now know, radiant heating warms specific objects and surfaces. In doing so, it typically uses less energy to deliver targeted comfort. This is great for short-term use or where only part of the room needs heating. On the other hand, convection heating is a more suitable option if you want to maintain a specific desired temperature in an entire room. That being said, infiltration loss means you can lose heat quickly in draughty areas of the house.

Ultimately, the most energy-efficient option depends on the space you’re looking to heat, your overall usage patterns, and whether you need instant warmth or consistent heat.

When to Choose Between Convection and Radiant Heating

Knowing the answer to the question “What is the difference between radiant and convection heaters?” goes a long way towards choosing the best solution for your home.

We’ve established that radiant heating is good for outdoor areas, rooms with high ceilings or where warm air rises and escapes quickly. It’s also a worthy heat source for spot heating, and is particularly effective at doing so without wasting energy on unused spaces.

For enclosed rooms that need consistent heat, convection heating is a worthwhile choice as it keeps the air temperature stable throughout. Large living areas, bedrooms and offices often benefit from convection heaters, while radiant heaters are great for targeted or draughty areas where direct warmth to objects and surfaces is more effective.

Installation and Safety – Always Use a Licensed Technician

It doesn’t matter whether you have settled on radiant heaters or convection heaters for your house. Under Australian law, and to meet strict safety and compliance standards, you must use a licensed technician to install all fixed heating systems.

• For the installation of electrical heaters, they must comply with Australian Standard AS/NZS 3000 Wiring Rules.
• Gas-powered systems must meet AS/NZS 5601 Gas Installations requirements.

Professional installation ensures correct heat output, safe wiring or gas connections and proper ventilation when and where you need it. A qualified technician can also optimise the heating method for your space, for energy-efficient performance and reduced safety risks.

DIY installation can void warranties, breach home and contents insurance policies, increase health and safety risks, and lead to costly repairs. Therefore, always use an experienced professional for safe, compliant results.

Find Your Perfect Heating Match

Choosing between radiant and convection heating for your home comes down to how the house is set up, your comfort needs and energy priorities.

Radiant heaters deliver fast, targeted warmth to objects and surfaces, great for outdoor areas or rooms where warm air rises and escapes. Convection heaters keep the air temperature steady across an entire room, offering more even heat. Both can be good heating solutions when matched to the right environment.

By weighing running costs, efficiency and personal preference you can choose a heating system that gives you comfort, safety and reliable warmth all year round.

Please note: Thanks for reading our blog “What is The Difference Between Radiant and Convection Heaters?” This information is provided for advice purposes only. Regulations differ from state to state, so please consult your local authorities or an industry professional before proceeding with any work. See our Terms & Conditions here.