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It is dif­fi­cult to imag­ine a mod­ern apart­ment with­out a heat­ing radi­a­tor. The demand for these devices is quite high. Man­u­fac­tur­ers are try­ing with might and main to sur­prise the end user with ergonom­ics, orig­i­nal design, qual­i­ty, and even the weight of the device. In today’s selec­tion, we intend to care­ful­ly study bimetal­lic heat­ing radi­a­tors. This device has a num­ber of sig­nif­i­cant dif­fer­ences from its ana­logues. In par­tic­u­lar, two met­als are used simul­ta­ne­ous­ly in the design of the device: steel and alu­minum. The lat­ter pro­vides the device with high heat trans­fer and strength, and steel makes the radi­a­tor resis­tant to cor­ro­sion. Out­ward­ly, it is rather prob­lem­at­ic to dis­tin­guish a bimetal­lic radi­a­tor from a con­ven­tion­al alu­minum appli­ance. They look exact­ly the same. The main dif­fer­ence lies inside. The alu­minum plates of the device are attached to the core of the radi­a­tor, which is made of steel pipes.

KP has care­ful­ly ana­lyzed the pro­pos­als from man­u­fac­tur­ers and com­piled a rat­ing of the top 10 bimetal­lic heat­ing radi­a­tors in 2022.

Top 10 rating according to KP

1. Radiator bimetallic Royal Thermo BiLiner 500

In the first place of our rat­ing is a bimetal­lic radi­a­tor Roy­al Ther­mo BiLin­er 500. This device is paint­ed with ultra-resis­tant 7‑level paint. This pre­vents chips and cracks from appear­ing on the sur­face. Man­u­fac­tur­ers have also thought about the design part. So, the radi­a­tor is avail­able in three dif­fer­ent col­ors (white, black and gray). It will per­fect­ly fit into any inte­ri­or. The war­ran­ty for the device is 25 years.

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Main characteristics

Type of	sec­tion­al
Design	wall-mount­ed
Ver­ti­cal design	No
Con­nec­tion	lat­er­al
Mate­r­i­al	bimetal­lic
Radi­a­tor heat dis­si­pa­tion	171…2394 W
cen­ter dis­tance	500 mm
Max­i­mum oper­at­ing tem­per­a­ture	110°C
Max pow­er	171…2394 W
Max work­ing pres­sure	30 bar
Crimp­ing pres­sure	45 bar

Pros and cons

Very long war­ran­ty peri­od, high heat dis­si­pa­tion, high-qual­i­ty coat­ing

There is a pos­si­bil­i­ty of thread mar­riage, poor assem­bly

2. Bimetallic radiator Rifar Monolit 500

This device con­sists of 10 sec­tions, which allow you to max­i­mize the heat­ing poten­tial. In addi­tion, high­ly reli­able flash butt weld­ing is used for the joints. Radi­a­tor Rifar Mono­lit 500 ide­al for heat­ing pri­vate hous­es, admin­is­tra­tive and pub­lic insti­tu­tions. The device is avail­able in two col­ors (black and white).

Main characteristics

Pros and cons

3. Radiator bimetallic Global STYLE 500

The shal­low depth and ergonom­ic design of this device allow it to be placed any­where. The neat design will look great in rooms that are dec­o­rat­ed in a clas­sic and mod­ern style. Thanks to the inter­nal steel con­struc­tion, Glob­al brand radi­a­tors have a high mar­gin of safe­ty. They can be installed in cen­tral­ized and autonomous heat­ing sys­tems with oper­at­ing pres­sure up to 35 atmos­pheres inclu­sive. In addi­tion, in this mod­el, the time that must be spent on instal­la­tion is sig­nif­i­cant­ly reduced. This was achieved thanks to the sec­tion­al assem­bly sys­tem with nip­ples.

Main characteristics

Pros and cons

4. Bimetallic radiator Oasis BM 500/100

The bimetal­lic radi­a­tor Oasis BM 500/100 is max­i­mal­ly resis­tant to excess pres­sure. It is also able to with­stand water ham­mer in heat­ing sys­tems. Also, man­u­fac­tur­ers have improved the air pas­sage in the device using ver­ti­cal and hor­i­zon­tal fins. This great­ly increased the rapid trans­fer of heat. The cor­ro­sion resis­tance of steel is designed for con­tact with the hard­est tap water.

Main characteristics

Pros and cons

5. Radiator bimetallic Halsen BS 500/100

This mod­el is designed for heat­ing mul­ti-storey build­ings. The sec­tion in it is made of a steel ver­ti­cal and hor­i­zon­tal col­lec­tor. The design com­plete­ly elim­i­nates the con­tact of the coolant with the alu­minum case. This fea­ture makes the radi­a­tor very resis­tant to water ham­mer. Man­u­fac­tur­ers have also pro­vid­ed a spe­cial design. Radi­a­tor fins improve air­flow and increase heat dis­si­pa­tion.

Main characteristics

Pros and cons

6. Bimetallic radiator STOUT Space 350

A dis­tinc­tive fea­ture of this device is increased reli­a­bil­i­ty. It is pro­vid­ed due to the spe­cial geom­e­try of the inter­sec­tion con­nec­tions and the para­me­ters of sil­i­cone gas­kets. Stout radi­a­tors have low hydraulic resis­tance. The appear­ance of the heater is close to the clas­si­cal style. It fits per­fect­ly into any inte­ri­or. The man­u­fac­tur­er pro­vides a 10-year war­ran­ty on the device.

Main characteristics

Pros and cons

7. Bimetallic radiator Tropic Bm 500

This radi­a­tor was devel­oped by domes­tic man­u­fac­tur­ers using mod­ern tech­nolo­gies. Its main advan­tages include high heat trans­fer and resis­tance to the chem­i­cal com­po­si­tion of the coolant. Unlike for­eign mod­els, this device is ful­ly adapt­ed to Russ­ian real­i­ties, which com­pares favor­ably with com­peti­tors. The sim­ple design and ease of instal­la­tion also make a big dif­fer­ence. Trop­ic Bm 500.

Main characteristics

Pros and cons

8. Bimetallic radiator STI BM 500

As for the next mod­el, it has a num­ber of dis­tinc­tive fea­tures. Thus, the high heat trans­fer of the sec­tions allows the use of a radi­a­tor in low-tem­per­a­ture heat­ing sys­tems. Low iner­tia pro­vides effec­tive ther­mal con­trol with a guar­an­tee of max­i­mum com­fort. In addi­tion, both water and antifreeze liq­uids based on gly­cols can be used as heat trans­fer flu­ids. These fea­tures make the STI radi­a­tor unique in its kind.

Main characteristics

Pros and cons

9. Bimetallic radiator REMSAN Expert RBS 500/100

Radi­a­tors have a per­fect­ly smooth sur­face, excel­lent build qual­i­ty and paint­ing. Heat flows are even­ly dis­trib­uted and go inside the room, cre­at­ing a com­fort­able tem­per­a­ture through­out the heat­ed area. The high reli­a­bil­i­ty of Rem­san radi­a­tors allows you to keep work­ing for a long peri­od of time, and the effi­cien­cy makes it pos­si­ble to cre­ate com­fort­able heat for any func­tion­al para­me­ters of heat sup­ply sys­tems.

Main characteristics

Pros and cons

10. Bimetallic radiator Ogint RBS 500

The RBS series is rep­re­sent­ed by heat­ing radi­a­tors with a steel man­i­fold, which is dressed in an alu­minum case. This range will be an excel­lent choice for sys­tems with water and antifreeze. The ver­ti­cal pas­sage in the radi­a­tor sec­tion and the hor­i­zon­tal man­i­fold are made of steel, while the body is made of alu­mini­um. This mod­el is equipped with 6 sec­tions and has good heat trans­fer para­me­ters.

Main characteristics

Pros and cons

How to choose bimetallic heating radiators

As you can see, bimetal­lic heat­ing radi­a­tors have dif­fer­ent para­me­ters. They with­stand a cer­tain lev­el of pres­sure, have a dif­fer­ent num­ber of sec­tions and dif­fer in the dis­tance between the axles. The CP has con­sult­ed with to the lead­ing con­struc­tion YouTube chan­nel and fin­ish­ing mas­ter Pavel Sidorik.

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Accord­ing to him, the choice of this device is not too dif­fer­ent from the choice of any oth­er radi­a­tor mod­el. Key indi­ca­tors remain the same.

Read also

We study the best heat­ing radi­a­tors for the home

Installation location and dimensions

First you need to decide where the device will be installed. Most mod­els have a stan­dard height of 500mm. They will ide­al­ly fit into the inte­ri­or, where the win­dow sills are installed at a height of 700–800 mm. How­ev­er, if your win­dow sill is low­er, then you should pay atten­tion to radi­a­tors with a height of 300 mm.

Durability

The most opti­mal war­ran­ty peri­od is 15 years. Before buy­ing, pay atten­tion to this fig­ure. It is rec­om­mend­ed to pur­chase devices with this or more war­ran­ty peri­ods. Some man­u­fac­tur­ers offer a 50-year war­ran­ty on radi­a­tors.

Design

Every per­son dreams of a per­fect inte­ri­or. Nat­u­ral­ly, those mod­els that have sev­er­al col­ors to choose from will be the most prefer­able for pur­chase.

Monolith or sections

Most bimetal­lic radi­a­tors con­sist of sec­tions. There are usu­al­ly an even num­ber of them. These items are fac­to­ry made. They merge into one. Joints between sec­tions are equipped with her­met­ic gas­kets. This allows you to add mul­ti­ple sec­tions if need­ed. How­ev­er, there are also mono­lith­ic struc­tures. Their dis­tin­guish­ing fea­ture is the abil­i­ty to cope with high pres­sure. A mono­lith­ic steel core is installed inside such a device. Its strength is much high­er than sec­tion­al.

It is inter­est­ing

How to save on apart­ment heat­ing

Heat dissipation

The stan­dard sec­tion of the bimet­al mod­el oper­ates at a pow­er of 150–180 watts. It is bet­ter to pur­chase those devices that have this indi­ca­tor high­er.

Preliminary check

Pavel also notes that there is a risk of acquir­ing a radi­a­tor with a chipped paint­work. Usu­al­ly this defect appears dur­ing the trans­porta­tion of the device. There­fore, be sure to inspect the device before buy­ing.

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