best wall and floor models

Due to the fact that most coun­try hous­es in Euro­pean cities and towns are not equipped with cen­tral heat­ing, the issue of heat­ing a home is quite acute. Gas heat­ing sys­tems quite eas­i­ly solve the issue of cre­at­ing autonomous heat­ing. If an elec­tric water heater is installed in the house, then the best solu­tion would be.

Today, the Euro­pean cli­mate tech­nol­o­gy mar­ket is over­flow­ing with heat­ing sys­tems from man­u­fac­tur­ers from Ger­many, Italy, France, Slove­nia and Chi­na. In terms of its char­ac­ter­is­tics, domes­tic equip­ment is not infe­ri­or to the lead­ers of this seg­ment and is on a par with such brands as Bosch, Vail­lant, Baxi, etc. Even a spe­cial­ist can get con­fused in a huge num­ber of mod­els, man­u­fac­tur­ers, brands. That is why the domes­tic con­sumer is increas­ing­ly ask­ing the ques­tion, which gas sin­gle-cir­cuit boil­er is bet­ter?

Criterias of choice

Choosing the right boiler model

To choose the right mod­el of a heat­ing boil­er, you should have an idea about the design and prin­ci­ple of oper­a­tion of the device. If there is no such knowl­edge, then con­tact the experts. If you imag­ine how sin­gle-cir­cuit gas instal­la­tions are arranged, then before choos­ing a par­tic­u­lar mod­el, pay atten­tion to the fol­low­ing points and design fea­tures:

  1. Man­u­fac­tur­er. Man­u­fac­tur­ers from Ger­many (Bosch, Vail­lant) are lead­ing in the pro­duc­tion of reli­able gas heat­ing instal­la­tions. The most func­tion­al sin­gle-cir­cuit boil­er units are offered by man­u­fac­tur­ers from South Korea (NAVIEN), Slove­nia (Protherm). Ital­ian man­u­fac­tur­ers offer devices with the best com­bi­na­tion of price and qual­i­ty (Baxi and Fer­rol­li).
  2. Igni­tion type. In mod­ern heat­ing boil­ers, you can find elec­tron­ic and piezo igni­tion. The first type — involves the igni­tion of the gas mix­ture in auto­mat­ic mode. In the sec­ond, bat­ter­ies are used as a pow­er plant. Igni­tion requires human inter­ven­tion.
  3. Burn­er. Sin­gle-cir­cuit boil­ers use sin­gle-stage and mod­u­lat­ing burn­ers. Sin­gle stage always run at 100% pow­er. Mod­u­lat­ed — more mod­ern, allow you to change the heat­ing pow­er of the coolant in the range from 30 to 100%. In addi­tion, the burn­er can be atmos­pher­ic or tur­bocharged. Atmos­pher­ic — more hardy and silent. Tur­bocharged — have a high­er effi­cien­cy, but also cost sig­nif­i­cant­ly more.
  4. heat exchang­er mate­r­i­al. For the heat exchang­er, a mate­r­i­al with good ther­mal con­duc­tiv­i­ty and resis­tance to high tem­per­a­tures is select­ed. Cop­per is a mate­r­i­al with bet­ter ther­mal con­duc­tiv­i­ty and a low melt­ing point. A boil­er with a cop­per heat exchang­er should be select­ed with a low pow­er equip­ment. In addi­tion to cop­per, stain­less steel is used for coils, which is char­ac­ter­ized by aver­age ther­mal con­duc­tiv­i­ty and dura­bil­i­ty. Cast iron heat exchang­ers are durable, but due to their high weight they are used only in floor mod­els.
  5. The com­bus­tion cham­ber. Mod­ern boil­ers are equipped with an open or closed com­bus­tion cham­ber. In the open, the air intake comes from the room, in the closed, the air comes from the street through a coax­i­al chim­ney.
  6. Removal of com­bus­tion prod­ucts. Exhaust gas­es are removed in mod­ern heat­ing boil­ers using nat­ur­al and forced draft. In the first case, a ver­ti­cal chim­ney and good ven­ti­la­tion in the room with the boil­er are required. In the sec­ond option, com­bus­tion prod­ucts are removed through a coax­i­al chim­ney using a built-in fan.

In order to pro­vide assis­tance, a rat­ing of heat­ing instal­la­tions was com­piled, based on oper­a­tional char­ac­ter­is­tics, design fea­tures and reviews of real own­ers.

Vaillant turboTEC plus VU 122/3–5

Vaillant turboTEC plus VU 122/3-5 sin­gle-cir­cuit wall-mount­ed boil­ers opens one of the most func­tion­al heat­ing devices — Vail­lant tur­boTEC plus VU 122/3–5. This mul­ti­func­tion­al unit is designed for heat­ing small areas, up to 120 m2. The rat­ed pow­er of the boil­er is 12 kW, which is con­trolled auto­mat­i­cal­ly by a mod­u­lat­ing burn­er. The device is equipped with: a closed com­bus­tion cham­ber, a tur­bine for the forced removal of exhaust gas­es, a built-in mul­ti-stage pump that dri­ves the coolant, a cop­per heat exchang­er, an elec­tron­ic igni­tion unit and a con­trol unit for all plant func­tions, infor­ma­tion about which is dis­played on an infor­ma­tive LCD mon­i­tor.

This mod­el is adapt­ed to work in elec­tri­cal net­works with volt­age drops, thanks to the built-in sta­bi­liz­er. The boil­er works with­out los­ing pow­er at reduced pres­sure in the gas pipeline. To work togeth­er with a water heater, Vail­lant tur­boTEC is equipped with the nec­es­sary con­nec­tors. Effi­cien­cy — 91%. The aver­age cost in Euro­pean stores is 500 $. Dis­ad­van­tages — high cost.

Baxi FOURTECH 1.24F

Vaillant turboTEC plus VU 122/3-5This pop­u­lar wall-mount­ed mod­el is equipped with a closed com­bus­tion cham­ber, tur­bocharg­ing and a forced smoke exhaust sys­tem. Flame mod­u­la­tion in the burn­er allows you to change the heat out­put in the range from 9.3 to 24 kW. Max­i­mum heat load 25.8 kW. The mate­r­i­al of the heat exchang­er is cop­per. The boil­er unit is equipped with a water pump for forced move­ment of the coolant through the heat­ing sys­tem. A 6‑liter expan­sion tank allows you to com­pen­sate for the expan­sion of the coolant due to its heat­ing.

For com­fort­able use, the unit is equipped with an indi­ca­tion of modes, auto-igni­tion, and a built-in ther­mome­ter. Safe­ty is ensured thanks to the pro­tec­tion of the heat exchang­er from over­heat­ing, a blast valve, a gas con­trol sys­tem. The unit has an auto­mat­ic self-diag­no­sis func­tion. The effi­cien­cy of the device is 92.9%. The aver­age cost is 320$ 8 dol­lars. Dis­ad­van­tages: in some mod­els there were prob­lems with the gas valve.

Accord­ing to our experts and based on price — qual­i­ty — func­tion­al­i­ty, the best sin­gle-cir­cuit wall-mount­ed boil­er from Euro­pean man­u­fac­tur­ers is Baxi FOURTECH 1.24 F

Neva Lux 8618

Neva Lux 8618This mod­el is a sin­gle-cir­cuit heat­ing boil­er with small dimen­sions from the Euro­pean man­u­fac­tur­er Gazap­pa­rat. The max­i­mum pow­er of the device is 18 kW. Accord­ing to the man­u­fac­tur­er, it is enough to heat an apart­ment or a small pri­vate house, up to 180 m2. The boil­er is equipped with an open com­bus­tion cham­ber, there­fore it requires a sep­a­rate chim­ney and good ven­ti­la­tion in the room where it is installed. The almost silent oper­a­tion of this mini-boil­er room is due to the use of an atmos­pher­ic burn­er. Thanks to the use of a cop­per heat exchang­er, the effi­cien­cy declared by the man­u­fac­tur­er is at around 90%. Gas con­sump­tion 2.13 m3/h When switch­ing to liq­ue­fied gas, the con­sump­tion is 1.59 kg/h.

Com­fort­able use of this boil­er unit is due to the pres­ence of auto-igni­tion, the tem­per­a­ture and pres­sure in the sys­tem are dis­played on the front pan­el of the unit. Safe­ty is ensured thanks to the gas con­trol sys­tem, a safe­ty valve on the water cir­cuit and pro­tec­tion against over­heat­ing of the heat exchang­er. This mod­el fea­tures low fuel con­sump­tion and ergonom­ic design. It is pos­si­ble to con­nect: indi­rect heat­ing boil­er; sys­tems “warm floor”; air tur­bine; exter­nal ther­mo­stat. The aver­age price is 200 $. Dis­ad­van­tages: often turns on and off with­out an exter­nal ther­mo­stat.

NEVA-8230–1

NEVA-8230-1This mod­el is designed for apart­ment heat­ing in mul­ti-storey build­ings and pri­vate hous­es, up to 300 m2. The unit is equipped with a closed fuel cham­ber and has a capac­i­ty of 30 kW. The removal of exhaust gas­es is forced, with the pos­si­bil­i­ty of using a sep­a­rate and coax­i­al chim­ney.

The pecu­liar­i­ty of this device is: con­tin­u­ous mod­u­la­tion of com­bus­tion; the pres­ence of 1 cop­per heat exchang­er, not sub­ject to low-tem­per­a­ture oxi­da­tion; auto­mat­ic igni­tion with flame lev­el con­trol. It is pos­si­ble to con­nect a water heater and switch to liq­ue­fied gas. The main advan­tage of the boil­er is accu­rate tem­per­a­ture con­trol and the pos­si­bil­i­ty of using propy­lene gly­col-based coolant. Con­sumers pos­i­tive­ly eval­u­ate this heat­ing boil­er for sta­ble oper­a­tion at low fuel pres­sure and volt­age drops. Effi­cien­cy at 100% pow­er — 92.5%. Cost — 360 $.

If you decide to sup­port a domes­tic man­u­fac­tur­er and won­dered which sin­gle-cir­cuit wall-mount­ed heat­ing boil­er is bet­ter, then accord­ing to our experts and in terms of price-qual­i­ty-func­tion­al­i­ty ratio, the best sin­gle-cir­cuit wall-mount­ed boil­er from a Euro­pean man­u­fac­tur­er is the NEVA-8230–1 mod­el

As not­ed above, in the last decade, most of our com­pa­tri­ots pre­fer liv­ing out­side the city in their own hous­es and cot­tages. Unfor­tu­nate­ly, they are lim­it­ed in pow­er, so it is not always advis­able to use them for heat­ing large pri­vate hous­es. In this case, under­floor heat­ing sys­tems come to the res­cue. Next, a rat­ing of gas floor boil­ers from Euro­pean and Euro­pean man­u­fac­tur­ers will be pre­sent­ed.

Protherm Medved 50 PLO

Protherm Medved 50 PLOIt is a floor heat­ing sys­tem with an atmos­pher­ic burn­er and an open fuel cham­ber. The max­i­mum pow­er of the boil­er is 44.5 kW. The design of this mini-boil­er room includes a built-in boil­er for 110 liters. to cre­ate a hot water sys­tem in the house. A fea­ture of the boil­er is the use by the man­u­fac­tur­er of a reli­able and durable cast-iron heat exchang­er. Accord­ing to the man­u­fac­tur­er, its ser­vice life reach­es 20 years. Main advan­tages: low fuel con­sump­tion 5.2 m3/h; pro­tec­tion class IP 40; Effi­cien­cy 92%. Dis­ad­van­tages: does not work in gas pipelines with low pres­sure. Cost — 700 $.

Vaillant AtmoVit INT 164–564/1–5

Vaillant AtmoVit INT 164-564/1-5Designed for heat­ing a small pri­vate house or cot­tage, with a total area of ​​​​up to 120 m2. Equipped with a sin­gle-stage atmos­pher­ic burn­er, cast iron heat exchang­er, elec­tron­ic igni­tion and flame lev­el con­trol sen­sor. A fea­ture of this mod­el is the design of the burn­er with ceram­ic rods and a fuel flow reg­u­la­tor. The open cham­ber and the absence of pres­sur­iza­tion make it impos­si­ble to install it in a room that is not equipped with ven­ti­la­tion and a nat­ur­al draft smoke exhaust sys­tem.

Advan­tages of this heat­ing sys­tem: high effi­cien­cy — 94%; the abil­i­ty to con­nect an indi­rect heat­ing boil­er; the pres­ence of auto­mat­ic self-diag­no­sis. The aver­age cost is 70$ USD. Dis­ad­van­tage: there are no VRC 420S reg­u­la­tors in the pack­age.

Lemax Pre­mi­um 20 is a Euro­pean-made sin­gle-cir­cuit non-volatile boil­er unit with a capac­i­ty of 20 kW. The unit is equipped with a steel body, 2 mm thick, an atmos­pher­ic burn­er and an open fuel cham­ber. A fea­ture of this device is the inno­v­a­tive design of the heat exchang­er, with pro­tec­tion against over­heat­ing and coat­ed with a spe­cial enam­el that pre­vents its cor­ro­sion. The advan­tages of this device: the pres­ence of an air flow reg­u­la­tor, self-diag­no­sis func­tions. Effi­cien­cy — 90%. The aver­age cost is 210 $. Dis­ad­van­tages: fre­quent prob­lems with igni­tion, gen­er­al short­com­ings.

Con­clu­sion: in terms of price — qual­i­ty — func­tion­al­i­ty, Vail­lant AtmoVit INT 164–564 / 1–5 is unan­i­mous­ly rec­og­nized as the best floor boil­er.

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