Review of Sira radiator models. The price of such heating batteries. Customer reviews.

The first bimetallic radiator was released in 1961. And the patent was received by the Italian company Sira Industrie. Today it is no longer one enterprise, but a whole group of enterprises. The company's head office is located in Italy, and production facilities are located in many countries around the world (including China and Taiwan). In addition to bimetallic ones, aluminum radiators (cast and extruded), electric and hybrid heaters, and steel heated towel rails are produced.

The Italian company Sira Group produces both full bimetal and semi-bimetal

Radiators Sira

It is difficult to imagine a modern house or apartment without heating radiators. They allow you to comfortably spend time in your home during the frosty season. At the same time, their appearance must correspond to the style of the interior. This fact determines the popularity of purchasing bimetallic radiators.

Among the many variations, bimetallic heating radiators Sira are the most acceptable in terms of price-quality ratio. However, many buyers note that installation does not require special skills.

The Sira RS radiator is an ideal option for “getting acquainted” with metal radiators after the old cast iron ones. The installed elements will last a long time and, if installed correctly, will not require replacement or technical repairs until the next major overhaul.

The most common combination for a bimetallic radiator is steel and aluminum.

The ability to use the required metal in “problem” areas greatly increases the strength characteristics of the future room heater. Every millimeter of the battery is calculated and manufactured precisely and scrupulously, so there can be no doubt about quality and durability.

Aluminum radiators Sira

Heating devices made of aluminum are produced using two technologies: casting and extrusion. Injection molding modifications are more massive and reliable: they do not have seams, but their price is higher - more metal is consumed, the technology and equipment itself are more expensive. Extrusion ones are made of several parts: the central part with ribs and air ducts is extruded, giving them a given shape. It is then pressed, welded or glued to the manifolds. This design is less reliable - there are seams, the walls of the collector are thinner. But less metal is consumed, and radiators cost less. Often this technology also uses recycled aluminum, which also reduces the price.

Which aluminum radiators are better? Of course, cast. But if you have a very limited budget, you can also use extrusion ones. They will work well with low, stable pressure and good quality coolant, that is, in individual heating.

Cast aluminum radiators

Some models of cast aluminum radiators: Sira Ali Princess, Ali Queen, Ali Royal
The company provides a 15-year guarantee for all heating devices in this group. Externally, they are slightly different: there are different numbers of air ducts, the shape changes. But in any case there are no sharp corners. Sira cast radiators can be used in heating systems with high and low temperatures, from alternative energy and heat sources. They have low inertia, so the room is heated within minutes after the system is turned on. The small amount of water in the radiators also allows you to maintain the required level of temperature in the room with high accuracy (it is possible to install radiator regulators).

The technical characteristics of Sira aluminum radiators are summarized in the table. The diameter of the collectors is one inch, the operating pressure is 16 atm. Please note that during installation, each radiator must have a manual or automatic air vent valve.

Technical characteristics of cast aluminum radiators "Sira" (click on the picture to enlarge its size)

Extruded aluminum radiators

Some models of extruded aluminum radiators: Sira ALUX, Rovall, Swing
Despite the shortcomings of the technology itself, Sira gives the same long guarantee for this type of its products: 15 years. Over 50 years, considerable experience has been accumulated, technologies have been developed. At the factory, all radiators undergo two-stage testing. Apparently, the technology used is advanced, since the working pressure of this group exceeds that of those manufactured by casting: 25 atm, versus 16 atm.

Technical characteristics of extruded aluminum radiators Sira (click on the picture to enlarge it)

Intended use

Each element has its own purpose in this product. Sira bimetallic heating radiators are equipped with steel pipes inside the radiator. This allows you to increase

service life and endurance. But the task of aluminum is to transfer heat as quickly as possible, so the outer part of the heater is made of this metal.

For manufacturing, steel of sufficient thickness is used so that it can confidently withstand pressure power, both in a central heating system and in private homes.

Inside, bimetallic Sira heating radiators are treated with a special anti-corrosion compound. And on the outside, every bend and every distance between the aluminum elements is calculated taking into account maximum heat transfer.

Tip: A very important criterion for choosing radiators is calculating the number of sections in the radiator and the heaters themselves in the room. To do this, use a special formula that takes into account the heat loss of the room and the building as a whole.

Rating TOP 10 best bimetallic radiators

Having carefully analyzed the market for products of this type, we have compiled the corresponding most objective rating:

• STOUT Space 350.
• STOUT Space 500.
• ROMMER Optima Bm 500.
• Sira RS Bimetal 500.
• Royal Thermo BiLiner 500.
• Rifar Alp 500.
• Oasis BM 350/80.
• Heating device BR1-500.
• STI BM 500.
• Royal Thermo Vittoria 500.

Let us consider each of the presented models in more detail, paying attention to individual technical parameters.

STOUT Space 350

The STOUT Space 350 radiator will be useful both at home and in the office. Thanks to it, everything will be warm, even if the weather outside is incredibly cold. A simple mechanical control system allows you to select one of three operating modes.

The built-in thermostat is responsible for maintaining the temperature set by the user. For greater mobility, the device has rollers mounted on a stable High Stability chassis. A special handle will help you quickly move the device to where it is needed at the moment.

When overheating, the heater automatically turns off and de-energizes. The body has an anti-corrosion coating that increases the service life of the device. Steel pipes not only hold and transfer heat perfectly, but are also extremely resistant to severe temperature changes.

Price: from 2,749 to 5,679 rubles.

STOUT Space 350

Advantages

• long service life (10 years);
• high efficiency (90%);
• reliable steel crossbars.

Flaws

• short 1 meter cord.

This radiator is a model of the latest series; it quickly warms up the air in the room and is absolutely safe to use. It uses a 2U-shaped heating element, thanks to which the room heats up twice as fast. Speed ​​Heating technology ensures quick access to the set temperature - very soon after turning on the device, the room becomes warm. The device is made of environmentally friendly materials and is equipped with a multi-level safety system: three-step protection against overheating, anti-corrosion cord treatment and Low Carbon Steel technology, which makes the device resistant to shock and mechanical damage.

STOUT Space 500

Sectional bimetallic radiator STOUT Space 500 is an ideal price-quality ratio from one of the leading manufacturers of products in this field. The model has many hidden advantages. In terms of size, the device will fit perfectly into any room: the height is only 561 mm, and the length of the unit is 80 mm. The big advantage of the device is its fairly high heat output at the level of 744-2604 W.

The center distance is 500 mm, which determines the trouble-free installation of the unit in many types of premises. The operating pressure, which ensures long-term and continuous operation of the device, is set at 20 Bar, which is quite enough. The key feature of the Space line and the device itself as a whole is its high efficiency (80-95%).

Price: from 4,873 to 5,469 rubles.

STOUT Space 500

Advantages

• modern design (white body color with red inserts);
• possibility of connecting a thermostat sensor;
• solid steel frame.

Flaws

• not found.

This is a fairly modern radiator designed for heating rooms. Not only does it help create and maintain a comfortable level of warmth in the room, but it also looks extremely stylish. The heating power can be adjusted; there are three main modes: 744, 1208 and 2604 W. Thanks to this, you can easily select a mode that allows you to quickly heat the room and create a comfortable microclimate in it. The device is equipped with wheels and a convenient handle for moving. Reviews about the Space 500 bimetallic radiator are extremely positive.

ROMMER Optima Bm 500

Bimetallic heating radiators ROMMER Optima with increased power, designed for use in central and individual heating systems in aggressive environments, will fit perfectly into absolutely any heating system.

The device's manifold is made entirely of corrosion-resistant steel and consists of a welded frame of longitudinal and transverse tubular elements, which are subsequently filled with an aluminum alloy under high pressure. This technology has made it possible to obtain products with thermal conductivity efficiency exceeding those of mono aluminum radiators.

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The production uses technologies of three-stage grinding and two-stage painting using the cataphoresis method, due to which the products acquire a finished aesthetic appearance with an attractive, shining white design.

Price: from 4,219 to 4,892 rubles.

ROMMER Optima Bm 500

Advantages

• additional petals that increase convection;
• shockproof metal housing;
• reliable support frame with eighteen joints.

Flaws

• not found.

Relatively recently I decided to buy this type of device, but having bought it, I’ll say right away that I don’t regret it. Such a radiator will certainly come in handy at home and in the office. A simple mechanical control system allows you to select any operating mode from those offered. The built-in thermostat is responsible for maintaining the set temperature. Increased mobility is ensured by casters mounted on a stable High Stability chassis. A special handle will help you quickly move the device to where it is most needed at the moment. If the heater overheats or short circuits, it will automatically turn off. The body has an anti-corrosion coating, which significantly extends the service life of the product.

Sira RS Bimetal 500

500 mm bimetallic radiators from Sira can be located in bedrooms or meeting rooms, where any extraneous sounds are undesirable. The narrowed opening of the vertical collector reduces the speed of water passage, ensuring quiet operation.

Installation taking into account the characteristics of the room is carried out due to the presence in the assortment of various models with certain design features. Having chosen the optimal height, the battery can be placed under low or high window sills. Depending on the area of ​​the room, the length of the radiator varies from 4 to 12 sections.

Limited room space is not a problem - in this case, it is worth purchasing a model with an interaxial distance of 80 cm. Corrosion resistance and efficient heating are ensured by manufacturing materials, which also increase strength and convection parameters.

Price: from 3,958 to 6,095 rubles.

Sira RS Bimetal 500

Advantages

• resistance to powerful water hammer;
• Auto Hybrid pressure suppression function;
• sophisticated minimalistic design.

Flaws

• not detected.

The steel of this device is extremely resistant to corrosion and allows you to work with super-aggressive coolant. Aluminum heats up quickly, so it has excellent efficiency. The high-quality outer coating ensures resistance to both impacts and scratches. The paint is applied in two stages, which provides the equipment with high strength and resistance to high temperatures - the radiator will not begin to melt when water passes through it with a reading of up to +110°C. In addition, the attractive appearance will allow the installation to be installed in a room with any interior. The absence of corners and pronounced ribs will protect owners from household injuries. Thanks to the flat top of the case, dusting and wet cleaning is quite easy.

Royal Thermo BiLiner 500

When producing bimetallic radiators Royal Thermo BiLiner 500 mm, Heat Dynamic technology is used to calculate the aerodynamic movement of warm air flows. The equipment is manufactured taking into account these data, the ratio of convective and radiant heating is 50/50. This ensures maximum heat transfer and efficient heating of rooms in the shortest possible time.

The presence in the range of BiLiner 350 and BiLiner 500 models allows you to select a radiator taking into account the characteristics of the room (low or wide window sills, niches, etc.). Depending on the area of ​​the room, the battery can have a different number of sections - from four to twelve.

The collector is made of steel, so the most aggressive coolant can pass through it without damaging the operation of all equipment. In addition, the material is resistant to corrosion, which guarantees operation for a long period of time.

Price: from 5,657 to 7,182 rubles.

Royal Thermo BiLiner 500

Advantages

• Possibility of wall and floor mounting;
• nice black matte case;
• 50-year manufacturer's warranty.

Flaws

• not found.

The manufacturer of this product is so confident in its product that it gives a guarantee for it for up to 50 years, which still makes absolutely every user think about purchasing. Thanks to painting, which is carried out in several stages, any battery is well protected from scratches and small chips. In addition, the RAL 9016 coating will not turn yellow over time and will not crack due to the high temperature of the fluid in the system. The equipment is disassembled into sections, it is convenient to transport and install in absolutely any place. The weight of each section does not exceed two kilograms, which makes it easier to climb to the upper floors. Overall, the device is really good in terms of price-quality ratio.

Rifar Alp 500

Rifar bimetallic radiators are widely used in the construction of new and modernization of existing heating systems throughout Russia. These radiators take into account the requirements and operating features of heating devices in Russian heating systems.

Among other design advantages inherent in these heating systems, it should be noted a unique method of sealing the intersection connection, which significantly increases the reliability of the device. Each section of a bimetallic radiator from Rifar consists of a steel pipe filled under high pressure with a high-quality aluminum alloy, which has high strength and anti-corrosion properties.

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Price: from 4,970 to 6,410 rubles.

Rifar Alp 500

Advantages

• reliable steel structure;
• small thickness (about 75 mm);
• operation of several devices in one heating system.

Flaws

• not found.

Bimetallic radiator Rifar 500 is a patented model of a bimetallic radiator that has an original appearance and unique technical characteristics. Thanks to the highly developed lateral surface of the model sections, it was possible to obtain greater heat transfer with a small radiator depth of only 75 mm. This device is ideal for heating rooms with wide window openings, especially where compliance with SNiP requirements is mandatory, according to which in rooms of certain categories the length of the heating device must be at least 75% of the length of the light opening (window).

Oasis BM 350/80

The modern closed-type bimetallic radiator Oasis BM 350/80 is designed for heating multi-storey buildings. In these devices, the section is made of a steel vertical and horizontal collector. The design completely eliminates contact of the coolant with the aluminum body. The combination of an aluminum body and a steel core allows the device to be particularly strong and durable.

Thanks to Pull Power technology, the device is maximally resistant to overpressure during water hammer in heating systems. The special design, vertical and horizontal fins of the bimetallic radiator improve air passage, which increases the maximum possible heat transfer.

Price: from 2,570 to 4,569 rubles.

Oasis BM 350/80

Advantages

• low sensitivity to sudden changes in pressure in the system;
• undemanding quality of coolant and liquid;
• valve protection against leaks.

Flaws

• not detected.

With such a radiator you will not depend on the vagaries of the weather and the whims of utility services. It is capable of creating a comfortable microclimate in a room of up to 40 square meters, which makes it a convenient option for a spacious living room or, for example, a studio apartment. The device has simple and convenient controls: two rotary controls. One is responsible for setting the temperature, and the second is for selecting the operating mode (three options are available). The indicator light signals that it is turned on. The built-in thermostat clearly controls the set heating level. Fuses and circuit breakers are responsible for safety of use.

Heating device BR1-500

Radiators Heat device BR1-500 can be installed in central and autonomous systems using two-pipe, single-pipe or radial installation schemes. The high heat transfer of the sections makes it possible to install products in low-temperature heating systems. Sections of the model are made of a tubular welded frame made of high-quality steel, externally filled with aluminum alloy under high pressure.

They are assembled using reinforced steel nipples and “O-ring” gaskets made of heat-resistant silicone. This heater design makes it possible to completely eliminate contact of the coolant with the aluminum alloy and provides effective heat transfer with maximum strength and corrosion resistance. Modern, elegant design in several colors makes the user pay attention.

Price: from 6,798 to 11,483 rubles.

Heating device BR1-500

Advantages

• excellent quality steel;
• nice design (white steel body);
• large area of ​​“working” contact (96%).

Flaws

• not found.

It is no secret that old, worn-out heating networks combined with poor quality of service are not uncommon in our country. In this radiator, the coolant circulates exclusively inside a welded high-quality steel manifold, so it has no contact with the outer layer of aluminum. This design provides unique strength and the highest resistance to corrosion, which ensures reliable and durable operation of the radiator in the most severe conditions. Buying bimetallic heating radiators turned out to be easier than I thought.

STI BM 500

Bimetallic radiators STI THERMO RUS BM 500 are suitable for use in both individual and central heating systems. Sections of the apparatus consist of a steel embedded element filled under high pressure with an aluminum alloy in accordance with the requirements of GOST 1583-93.

To assemble them into a single radiator, high-strength steel nipples and special graphite gaskets are used, which ensure reliable sealing with different types of coolants at high temperatures and pressures. Ready assembled heaters without plugs are painted in two stages: first by anaphoresis, and then with environmentally friendly powder enamels in an electrostatic field.

Price: from 3,210 to 5,697 rubles.

STI BM 500

Advantages

• straight collectors without pockets;
• durability (10-year warranty);
• reliable paint coating (3 mm).

Flaws

• not found.

STI BM 500 is a powerful liquid radiator designed for heating residential and office premises. For greater mobility, it is equipped with wheels, so you can easily move it from place to place and from room to room. It operates completely silently and does not dry out the air. The owner of the device can select one of three operating modes using a mechanical rotary control to ensure the level of comfort that he needs at a given time. The built-in thermostat maintains the set temperature. When overheating, the device automatically turns off, which avoids negative consequences.

Royal Thermo Vittoria 500

The Vittoria 500 radiator is an efficient heating device with high heat output of sections, which is suitable for use in low-temperature compact heating systems. The product is produced at the largest injection molding radiator production plant in Russia, Royal Thermo Russia, in the city of Kirzhach.

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Inside the aluminum case there is a durable metal manifold made of high-carbon steel grade 20. This technology completely eliminates contact of aggressive coolant with the aluminum alloy and guarantees the safe use of the product for a long service life in any heating systems.

Price: from 4,899 to 6,769 rubles.

Royal Thermo Vittoria 500

Advantages

• possibility of filling with antifreeze liquids;
• sustainable innovative nanopaint coating;
• completely sealed outlets with O-rings.

Flaws

• not detected.

A similar nine-section radiator will warm rooms up to 40 square meters. This model is equipped with a 520 W fan heater that evenly distributes warm air throughout the room. The mechanical control is quite easy to learn: you select one of three heating levels and you're done. A reliable thermostat, made from a copper alloy, is responsible for regulating and maintaining the set temperature. A special light indicator on the case indicates that the device is working. The heater is also protected from overheating; in this case, the fuse trips and the device automatically turns off.

What types of Sira radiators are there?

Sira bimetallic heating radiators are constantly evolving. Each new type is improved and includes innovative developments that improve the efficiency of the unit. Let's look at the main types of radiators:

• Sira RS BIMETAL is a look that combines the best characteristics of quality and design. The facade with rounded lines allows you to integrate such a radiator into any modern interior from Art Nouveau to Provence.;
• Sira AMBRA is a type that includes the maximum number of innovative developments. In it, the seams are treated with a special compound that can withstand temperature differences when heating and cooling, and at the same time the metal itself does not change its shape. This allows you to extend the life of the product;
• Sira S is a type that combines the best product strength characteristics. Such radiators are able to withstand high pressure (up to 16 bar), and at the same time the heat transfer coefficient increases significantly.

Sira RS BIMETAL

Sira AMBRA

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Depending on the calculated number of sections, the appropriate model is selected. Sira bimetallic heating batteries can consist of one section, or can reach 22 sections. This is where their price fluctuates. But you should definitely take into account the cost of the mounting and connection system. It is often cheaper to buy Sira radiators from a larger number of sections than several, but with a separate connection.

Tip: Also, do not forget that the fewer connections, the more reliable the design. But everyone knows what a leaking radiator or connection is during the heating season...

Range of radiators "Sira"

• Bimetal sectional radiators Sira (steel + aluminum) RS Bimetal
• Ali Metal
• RS Twin
• Concurrent
• Gladiator
• Alfa Bimetal

Prices for Sira BIMETALL RS 500 models

Below is a price table for a common radiator model:

It is worth remembering that the price of Sira bimetallic heating radiators may vary depending on the state of the market and the economic situation in the country.

Comparison table of characteristics

For a more clear comparison of the models presented above, we use a comparative table of characteristics.

Reviews from Sira battery owners

Before purchasing such an important interior attribute and heat source, it is worth studying consumer reviews about Sira radiators. This information will help you decide on the parameters of the future heater, and will also “push” you to choose a model:

“We bought an apartment at the end of last summer. We had to urgently do the repairs, as we really wanted to celebrate the housewarming as soon as possible. At the family council, it was decided to replace the old cast-iron batteries with bimetallic radiators. The result exceeded all expectations. The winter was quite cold, and the radiators were heated so that the child walked around the apartment all winter in a T-shirt and short shorts. For mom, this is the best indicator of high-quality heating.”

Elena, UFA

“The apartment has been asking for a major renovation for a long time. But lack of money and constant routine worries pushed back the plans. The boiling point was a leaking cast iron radiator. As a result, all heating in the apartment was replaced with bimetallic batteries. And, as a result, a major overhaul took place. The room was decorated with beautiful snow-white radiators. What a surprise it was in October when the central heating was turned on and the apartment immediately became warm. Previously, this effect occurred only with severe cold and frost. And the batteries were cool before this period... Next year we want to make repairs to our parents and replace the batteries.”

Alexander, Moscow

“Before replacing the radiators, I searched all the stores and the Internet in search of the best manufacturer. In terms of quality characteristics, Syrah was the best choice. It was decided to buy it. In principle, I’m glad that we bought Sira radiators and not another brand, the heating of the room is high-quality. Only two radiators showed scratches after installation. But this is a complaint more likely to those who installed it than to the manufacturer. Be more careful."

Anton, Krasnodar

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Types and comparison of designs of bimetallic radiators

Based on the method of forming radiator housings, they are divided into two types - monolithic and sectional devices.

DO NOT BUY Radiators Until You See THIS!!!

Monolithic

Monolithic or panel bimetallic batteries are reliable and high-quality heating devices made from steel tubes welded together, covered with an aluminum alloy shell on top.

Non-collapsible panels have a pleasant appearance that harmonizes with any interior. The devices are produced in a wide range of sizes. The range allows you to choose the dimensions of the panels to suit any heating area. The only drawback of monolithic models is that they cannot be disassembled. If they fail, such batteries cannot be repaired.

Sectional

Batteries of this class are prefabricated structures consisting of several vertical hollow flow-through vessels (sections) connected by fittings (nipples) with external threads. Their number can be any and is determined by thermal engineering calculations. A single panel is assembled with a special socket wrench, screwing the nipples into the horizontal manifold holes of the sections.

Based on operating conditions, the number of sections in sectional devices is increased or, conversely, reduced, which is a definite plus.

Unlike monolithic products, batteries are repaired by replacing damaged elements with new vertical elements.

The best cast iron heating radiators

The very first model of radiators was made of cast iron, but modern modifications have greatly changed for the better. At first they were replaced by newfangled aluminum devices, and after some time, cast iron batteries became almost luxury items for a lot of money. On sale today you can see retro models with an accordion shape, panel, and designer options. You can find out which cast iron heating radiators are better by analyzing the appearance, functionality and efficiency of the 3 models that are dissimilar to each other.

Konner Modern 500

A model with a well-known name on the Russian market, characterized by good energy efficiency indicators. One section holds up to 900 ml of water, which is higher than most similar devices. Accordingly, 12 sections of the Konner Modern 500 will be able to serve about 27-30 square meters. m. In the presented selection, this is so far the most “not greedy” device for heat transfer. As for resistance to water hammer, 12 atmospheres is acceptable.

Advantages

• European design;
• Good heating area;
• Reliability;
• Durability of cast iron;
• Price.

Flaws

• Chinese production;
• Enamel does not tolerate high indoor humidity.

Compared to Soviet cast-iron heating radiators, this one is somewhat weaker, yet China will not be able to adapt such equipment 100% to living conditions in Russia. Many users experienced enamel peeling, but this did not affect performance in any way.

Retrostyle Windsor 500

The most striking and atypical leader in the presented review of experts is considered to be a retro-style floor model with an atypical decor - Retrostyle Windsor 500. Uniqueness in the luxurious pattern in the style of the 18-19th century and artistic casting production technology. The manufacturer guarantees long service life, strength and stability of the case. The maximum water temperature is 110 degrees, its pressure is 10 atmospheres. The brand offers imitation of many models with such markings for brass, copper, and various precious metals.

Advantages

• Elegant appearance;
• Imitation for luxury goods;
• Durable, durable cast iron;
• Completely sealed;
• High quality;
• Different number of sections upon request.

Flaws

• Large dimensions;
• External massiveness.

Such a device can only be placed in a residential area with a corresponding retro, rococo, baroque, etc. interior. Dark color and massiveness require more free space in the room, otherwise the battery may look bulky. The performance characteristics are good, there are simply no negative reviews about the battery.

The best heating radiators

Exemet Neo 4-660/500

Another cast iron model with a modern design for those who value long service and reliability. Due to the low height of the battery, it is possible to install it in rooms with panoramic glazing. You can see many tubes in the depth, this is necessary to improve the quality of heating. The Neo 4-660/500 series has several options, each section of the heating radiator is presented in different quantities (maximum 34 pieces). The operating water pressure inside should not exceed 10 atmospheres. There are several options for processing the surface of the case to choose from, for example, polishing with varnish, sandblasting, patination with silver, copper, bronze, etc.

Advantages

• Floor installation;
• Reliability;
• 5 year warranty from the manufacturer;
• Low price compared to quality;
• Tubular shape with high heat dissipation;
• Custom design and coating.

Flaws

• Will not fit into every interior style;
• High thermal inertia.

The more elegant the design of such a battery, the higher its price will be. But even under this condition, the amount will be much lower than that of imported European analogues. Due to the cast iron body, it will not be so easy to quickly change the temperature regime. But these are not so much significant disadvantages along with a long service life.

Heating radiator rating

How were the best heating radiators of 2022 selected? In compiling the TOP list, experts assessed and compared those brands and models that are in greatest demand in the market and trusted by customers. In total, several dozen nominees were considered, after which the leaders were determined based on important technical criteria:

• Execution – sectional, tubular, panel;
• Body material – cast iron, steel, aluminum, bimetal, copper;
• Coolant – water, antifreeze;
• Installation – floor, stationary method;
• Working pressure – up to 10 atmospheres, up to 20 and higher;
• Thermal power - heat transfer in relation to the area of ​​the room;
• Dimensions – height, width, depth, weight.

The ratio of quality, appearance, and price of each nominee was taken into account. Reviews from those who have personally used this or that unit are also important when compiling the rating. They mention the ease of installation and maintenance of ROs, their resistance to corrosion and pollution, and the harmonious combination of design and interior.

The best heaters for a summer house

Technical characteristics of the RS 300 BIMETALL model

The above-mentioned equipment model has a section height of 372 mm. As for the width, it is 80 mm, while the depth is 95 mm. These parameters allow the installation of batteries in rooms with small window sill openings.

The heat output of the device is 142 W. As for connecting to the system, it is important to take into account the acidity of the coolant, which can vary from 6.5 to 9 pH. The temperature should not exceed 110 °C. The center distance is 300 mm. This Sira radiator is painted with powder enamel, which is called pseudo-ceramics. One section can be purchased for 750 rubles.

Reviews on why you should choose bimetallic radiators

Bimetallic products for space heating are the pride of the company. The technology involves the use of two metals that are almost never combined. They became one unit in one device and turned out to be truly popular.

Inside there is steel, which is in contact with the coolant and transfers heat to the aluminum body. As a result, it is possible to obtain a device that, according to consumers, is reliably protected from alkali and corrosion. Buyers like that the described equipment efficiently heats rooms, at the same time, the device is very convenient to use and is lightweight.

Sira radiators have another important feature, which is durability. Compared to other companies, the described supplier provides a fairly long warranty. Consumers emphasize that other suppliers usually provide a ten-year warranty.