Heating Radiators

Heating radiators are devices designed to transfer heat from a central heating system into indoor spaces. They receive hot water or steam from boilers, heat pumps, or other heat sources and emit warmth through convection and radiation to raise room temperature. Radiators are used in residential, commercial, and industrial buildings where fixed, controlled space heating is required. They are chosen when a durable, low-maintenance system is needed that integrates with piped hydronic or steam networks or with electric supply for direct-electric models. Installation locations typically include living rooms, bedrooms, bathrooms, offices, and hallways, with model selection depending on room size, installation constraints, and heating system type.

Types of heating radiators

The main types of heating radiators differ by material, construction and heat source. Common categories include:

• Cast iron radiators — heavy, thermally stable units that retain heat long after the heating supply is turned off.
• Steel panel radiators — flat or convector panel designs that provide quick heat response and streamlined appearance.
• Aluminium radiators — lightweight, high-conductivity units with faster warm-up and good heat output by weight.
• Column and tubular radiators — sectional designs offering increased surface area and varied aesthetic options.
• Electric radiators — self-contained units that use electric elements and can operate independently of central hydronic systems.
• Towel and bathroom radiators — vertical or ladder-style units designed for bathrooms, often used to warm towels and small spaces.

What are heating radiators used for?

Heating radiators are used to provide space heating and to maintain comfortable indoor temperatures. They distribute heat from a centralized boiler, heat pump, or electric element into rooms. Radiators also serve to stabilise indoor climate by offering steady, distributed heat output and reducing temperature fluctuations. In bathrooms and utility areas, specific radiator types are used to dry towels and reduce humidity. In retrofit and new construction projects, radiators are selected to match pipework, control systems, and room heat loss calculations.

Key differences between heating radiators

Key differences relate to material, thermal response, heat output, size, weight and compatibility with heating systems. Materials such as cast iron, steel and aluminium have distinct heat retention and conduction properties: cast iron retains heat longer, aluminium heats up and cools down faster. Design choices (panel vs column, single vs double convector) influence surface area and convective flow. Connection type and mounting options affect installation complexity. Electric models differ fundamentally by requiring electric supply rather than a hydronic loop and often include built-in thermostatic controls. Efficiency also depends on correct sizing relative to room heat loss and system operating temperature.

How to choose heating radiators?

Choose radiators based on calculated heat requirement, system compatibility, space constraints and user preferences. Consider the following factors:

• Heat output (measured in watts or BTU) — match radiator capacity to room heat loss calculations for reliable performance.
• System compatibility — ensure radiator type and connection suit the existing boiler, pump, or electric supply and control devices.
• Material and response time — select materials that match desired heat retention and response characteristics.
• Physical size and placement — verify available wall space, pipe locations and any obstructions that affect mounting.
• Controls and thermostats — check compatibility with thermostatic radiator valves (TRVs), central controls or integrated thermostats for electric models.
• Maintenance and lifespan — consider corrosion resistance, ease of bleeding and long-term durability based on material and finish.

Which heating radiators are the most popular and affordable in 2026?

The full list of popular models at affordable prices is available on this page. In 2026, the following models show high demand and an excellent price-to-quality ratio:

• Instal-Projekt Peruka Afro Decorative Radiator Light Pink for 16.99€
• ELEKTROPLAST GRZ50 Semiconductor Heater 86.58 for 24.99€
• ELEKTROPLAST GRZ15 Semiconductor Heater 86.55 for 25.49€
• DIGIT DN-151S-G050W Semiconductor Heater 50W for DIN Rail for 28.49€
• ELEKTROPLAST GRZ75 Semiconductor Heater 86.60 for 31.99€

Why is it worth buying heating radiators at AiO.lv?

At the AiO.lv online store, you can place an order at a great price with delivery across Latvia — to Riga, Daugavpils, Liepaja, Jurmala, Ventspils, and other cities, as well as throughout Europe. We offer products from leading manufacturers: Epson, HAMA, HP, AEG, OEM, Prestigio, Bosch, KRUPS, EMERSON, Adler, CALEFFI, EATON, Delta, BLOW, Honeywell, Brennenstuhl, DANFOSS, Midea, Reflex, Mentor. When you shop with us, you get:

• official warranty and guaranteed quality;
• convenient payment options (including installment and credit);
• fast and reliable delivery across Latvia and to any EU country.

FAQ

Where can you find a heating radiators with cheap prices?

You can buy cheaper at the AiO.lv online store. We offer competitive prices and regular discounts, so you always have the chance to find a great deal.

What is the delivery time for heating radiators?

If you place your order today, delivery will take between 1 and 5 business days depending on the chosen method.

How long is the warranty period for heating radiators?

Our store provides an official manufacturer’s warranty ranging from 12 to 36 months, depending on the model and brand. If needed, you can always contact our customer service department or the manufacturer’s authorized service center for support.

Are heating radiators purchasable with leasing?

Yes, if the selected product costs more than €50. You can learn more about installment purchase options and the terms of application on the Payment page.

Can heating radiators be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and throughout Europe. All product prices are shown with VAT included. In certain cases, a 0% VAT rate may apply — for example, when purchasing from other EU countries with a valid VAT number. We issue an invoice immediately after the order is placed, support BIS electronic invoices, and automatically generate all required accounting documents. To complete a purchase for a company, simply select the company profile during checkout.