In the face of climate change, UK households are transitioning from traditional gas boilers to electric heating solutions. Electric radiators offer instant warmth and precise temperature control while boasting a sleek design. On the other hand, storage heaters can be economical for those on a time-of-use electricity tariff, absorbing energy during off-peak hours and releasing heat as needed. Let’s explore which option might be more cost-effective and energy-efficient for your home.
How Do Night Storage Heaters Work?
Storage heaters capitalise on off-peak electricity rates by absorbing energy during the night—when it’s generally cheaper. They use convection currents to distribute warmth.
Inside, they have a heating element and bricks that retain heat. When the element heats the air, it becomes lighter and rises, naturally circulating warm air throughout the room. This method offers a practical solution for consistent indoor heating, especially in spaces where central heating might not be an option.
Storage heaters have two main controls. The input control dictates how much heat is absorbed and stored during the night when electricity costs less. It’s essential to adjust this according to your needs and prevent overspending. For instance, if you won’t be home much or the weather isn’t too chilly, there’s no need to crank it up.
The output control manages the heat release. If you set it high throughout the day, the heater will run out of the stored warmth too quickly. It’s smarter to gradually increase the output, keeping some heat in reserve for the evening hours.
The ‘boost’ function is an emergency measure. It uses costly day-rate electricity and should be your last resort if the stored heat is depleted. To sum it up, your storage heater works on the balance of input — heat gathered cost-effectively at night, against output — heat released according to your day’s needs.
Types of Electric Storage Heater
In line with the European Ecodesign Directive, known as Lot20, every new storage heater now comes with smart features to meet a minimum energy efficiency rating of 38% for units over 250W. This step-up in functionality means your new heater likely includes a digital programmer, sensitive, open window sensors, electronic temperature control, and wi-fi capabilities for remote adjustments.
If you have an older storage heater, it might be a basic manual model or a combination heater with a built-in traditional electric heater for an extra boost. Manual storage heaters are cost-effective and straightforward. However, their simplicity means they lack flexibility. The heat dissemination is continuous and can only be halted when the heater is manually switched off. That’s why it’s only ideal if you want a simple, set-and-forget heating solution.
Automatic storage heaters are the hybrid solution for spaces that demand more versatility in heating. They’re particularly handy in larger spaces where sustained heat from a storage heater alone might not be enough. You can enjoy the gradual warmth from stored energy or switch to the convection feature for a quick temperature boost whenever it’s needed. New electric storage heaters also have advanced features like fan-assist to evenly distribute heat or high-heat retention materials for better performance.
High heat retention heaters can monitor your daily heat usage and local weather patterns, adjusting their output to match your lifestyle without requiring any hands-on tweaking. This results in up to 27% savings on energy costs compared to traditional options.
Are Storage Heaters Expensive?
Prices for these devices can vary widely, and it all comes down to choice—both in features and efficiency. Starting at roughly £150, basic models are accessible, while the technologically advanced ones can rise above £400. However, it’s not just the initial cost to consider; high-end models tend to boast greater efficiency, which translates to lower operating costs over time.
If you’re looking to replace an existing unit and already have the wiring in place, installation costs are relatively modest, typically starting at £70. Without the preexisting framework, the cost climbs, reflecting the extra labour. It’s crucial, though, to ensure the job is done right, and that means securing a qualified electrician. To secure the best deal, compare at least three quotes, as electrician rates are far from uniform.
While electricity generally costs more than gas, storage heaters can make economic sense for those using off-peak tariffs. The average monthly cost for operating a single 1.4kW unit for about seven hours each night comes in at roughly £70 — provided you’re using off-peak tariffs. Naturally, warmer seasons will see these costs decrease as the need for heating takes a dip.
Keep in mind that a typical home needs multiple units, which means multiplying the operational cost accordingly. It’s also wise to use the boost function judiciously as it relies on peak-rate daytime electricity, pushing your energy expenses higher than necessary.
How do Electric Radiators Work?
Unlike traditional central heating that relies on extensive plumbing systems, electric radiators deliver warmth right where they stand. They’re filled with either a thermal fluid or dry elements to spread heat evenly throughout your room.
The way they operate is simple yet effective. Approximately two-thirds of the warmth generated by these units is via convection, warm air moving to create a cosy atmosphere. The rest is radiant heat, directly warming objects and people, just like the natural warmth from the sun.
Different Types of Electric Radiators
When it comes to selecting the right electric radiator, understanding the heating elements within them is key to making an informed decision that fits your needs. Here’s a brief guide to help you grasp the differences between dry thermal elements, thermal fluids, and dry stone elements in electric radiators.
Dry Thermal
For standard-sized rooms and office spaces, radiators that employ dry thermal technology are the go-to. Dry thermal elements are essentially very thin metal filaments, usually aluminium, sealed within the body of the radiator.
They excel in quickly responding to thermostat adjustments, heating up and cooling down at an impressive pace. This rapid response not only ensures your space reaches the comfort level you desire without delay but also maintains it with impeccable accuracy.
Aside from their responsive nature, these elements give electric radiators a sleek and modern form. Since they’re not relying on any liquids to transfer heat, the risk of leaks is off the table.
Thermal Fluids
In spacious rooms that require prolonged heating, radiators with thermal fluids can be energy-savvy additions. These special liquids, stored inside the radiator, ensure consistent heat distribution and store warmth effectively. The radiator doesn’t need to expend as much energy to maintain heat levels, boosting efficiency.
Dry stone
If you’re looking for a heating solution that delivers intensity and efficiency, especially in large, open, or high-ceiling environments, dry stone electric radiators could be just what you need. They combine rapid heating with superb heat retention to keep your space warm and energy use in check.
The ceramic elements within the radiator store heat efficiently, releasing it evenly to maintain a comfortable temperature without constant energy consumption. Due to the density and structure of dry stone elements, these radiators are on the bulkier side when compared to those with metal or liquid elements. However, this is a small trade-off for their effective heating capabilities and efficiency in those tricky-to-warm spaces.
Efficiency of Electric Radiators
Electric radiators offer an autonomous, zone-by-zone approach to climate control in your home or office. Each radiator operates independently with its dedicated electronics, which translates to precise control over your heating environment. Simply put, they are 100% efficient at their point of use. Unlike traditional storage heaters or central heating systems, electric radiators don’t squander energy on heating areas that are already warm, nor do they lose warmth in transit.
Electric radiators bring efficiency to your fingertips with some smart energy-saving features. From basic timers to WiFi-enabled controls, you can dictate your heating needs whether you’re at home or on the go. Some models even learn your routine, adjusting your settings to fit your lifestyle automatically. Plus, with built-in energy monitors, you get a clear view of your usage.
Can Electric Radiators Replace Modern Storage Heaters?
Electric radiators have evolved as a more controllable alternative to modern storage heaters, offering stylish, space-saving designs with health benefits for allergy sufferers. While storage heaters may suit those who enjoy constant warmth or spend daytime hours at home, electric radiators provide tailored heating schedules for varying lifestyles.
Electric radiators shine if you:
- Spend daylight hours outside the home
- Desire warmth more in the evenings
- Prefer cooler night temperatures
- Need flexible heating schedules for different rooms
New electric storage heaters are no longer the bulky, one-size-fits-all units of the past. With programmable features, they, too, offer a degree of control and are quite slimline, better integrating into your home design.
If you’re still on the fence, try starting with a single room – maybe your bedroom. Test out an electric radiator and take note of the differences in comfort and cost.
Final Words
The best heating system depends on your needs and preferences. Electric radiators offer instant warmth and style, while storage heaters can be more economical with off-peak rates. Consider your lifestyle and energy options before making a decision.
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