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Gas boil­ers can be floor and wall. Out­door bulky and take up a lot of space. Wall-mount­ed — com­pact and have an attrac­tive design. In Europe, floor stand­ing ones are now banned, in Rus­sia they can still be used, but by Euro­pean stan­dards they are unsafe. There­fore, we sug­gest look­ing to the future and pur­chas­ing only envi­ron­men­tal­ly friend­ly and reli­able mod­els for use. KP talks about the best wall-mount­ed gas boil­ers that you can buy in 2022.

Top 10 rating according to KP

1. Bosch Gaz 6000 W WBN 6000–24 C

Despite the well-known Ger­man brand in the name, this wall-mount­ed gas boil­er is pro­duced in Rus­sia. Rep­re­sen­ta­tives of the com­pa­ny say that this is their first device made in Rus­sia, which was also made specif­i­cal­ly for Russ­ian con­di­tions. Cus­tomers can choose from a range of mod­els from 12 to 35 kW. For our rank­ing of the best, we took the most pop­u­lar 24 kW mod­el — note that this fig­ure is indi­cat­ed in the title. In fact, we have a ready-made solu­tion for heat­ing. The kit includes a pump, an expan­sion tank, a flow sen­sor, and a safe­ty valve. In the reviews, buy­ers praise the mod­el for its com­pact­ness: this one will fit even in a small kitchen, even in a pantry. Also on sale you can find mod­els with the let­ter K in the name. If there is a let­ter, then a device with a water heater tank for more com­fort­able oper­a­tion. On the front of the boil­er there are five but­tons and an LCD dis­play. Man­age­ment is intu­itive.

Characteristics

Boil­er type	dou­ble-cir­cuit
Ther­mal pow­er	24 kW
Elec­tron­ic con­trol	there is
Built-in cir­cu­la­tion pump	there is
Built-in expan­sion tank	there is

Pros and cons

Very qui­et

Fre­quent purge required

2. Lemax PRIME-V32 32 kW

Anoth­er wall-mount­ed gas boil­er, which, accord­ing to the man­u­fac­tur­er, is designed to work in Russ­ian con­di­tions. The device has a sys­tem of forced cir­cu­la­tion of the coolant, and the com­bus­tion prod­ucts are removed either through a sep­a­rate (up to 20 m) or a coax­i­al chim­ney (up to 4.5 m). This can be installed in an apart­ment or a pri­vate house where there is no orga­nized chim­ney. The declared effi­cien­cy is 92.5%, which, of course, is not a record fig­ure, but close to ide­al. The device itself adapts to changes in gas pres­sure.

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The com­bus­tion cham­ber is quite volu­mi­nous, which reduces fuel con­sump­tion. Man­age­ment is sim­ple. Remote con­trol via a smart­phone appli­ca­tion is pos­si­ble, but for this you need to pur­chase a sep­a­rate mod­ule. It can work in a sys­tem with high hydraulic resis­tance with­out addi­tion­al pumps. How­ev­er, before start­ing oper­a­tion, it is still bet­ter to enlist the opin­ion of instal­la­tion engi­neers in this mat­ter. And the device can work on liq­ue­fied gas.

Characteristics

Pros and cons

3. Vaillant turboTEC pro VUW 242/5–3

In this appli­ance, the pow­er is reg­u­lat­ed by a mod­u­lat­ing burn­er. Able to auto­mat­i­cal­ly switch to the mode of prepa­ra­tion of hot water for heat­ing needs, if the flow rate is less than 1.5 liters per minute. It also adjusts the inten­si­ty of work depend­ing on the vol­ume and tem­per­a­ture of the water. This can be installed in an apart­ment or res­i­den­tial build­ing with­out a tra­di­tion­al chim­ney. Side clear­ance 1 cm. The LCD dis­play is illu­mi­nat­ed dur­ing oper­a­tion, which is often for­got­ten by oth­er com­pa­nies. The device board simul­ta­ne­ous­ly mon­i­tors all vital indi­ca­tors for the boil­er and sig­nals errors. All the parts nec­es­sary for work — var­i­ous valves, a cir­cu­la­tion pump and an expan­sion tank — are imme­di­ate­ly in the box. Imme­di­ate­ly after instal­la­tion, the appli­ance is per­ma­nent­ly frost pro­tect­ed. There are pro­gram­ma­ble win­ter and sum­mer modes.

Characteristics

Pros and cons

4. Buderus Logamax U072-24K

This is a bud­get option for a wall-mount­ed gas boil­er that is sold in many stores in 2022. In terms of pow­er, there are var­i­ous mod­i­fi­ca­tions from 12 to 35 kW. With the lat­ter indi­ca­tors, the area of ​​​​heat­ed premis­es can reach 350 square meters. The boil­er is not bulky, the design is con­cise. Right out of the box, it is ready for instal­la­tion and con­nec­tion: the man­u­fac­tur­er puts all the nec­es­sary parts. If you see index K in the mod­el, then hot water can be pre­pared with­out addi­tion­al equip­ment. Oth­er­wise, you can buy a water heater tank. Buy­ers note the unpre­ten­tious­ness of the device: volt­age drops, changes in gas pres­sure and frost pro­tec­tion. The case is ther­mal­ly insu­lat­ed, thanks to which the walls do not heat up, which means that it is impos­si­ble to burn your­self when work­ing with it. Respon­si­ble for the man­age­ment of a small LCD dis­play and five but­tons. There is a tem­per­a­ture reg­u­la­tor, set­ting which, you can save gas.

Characteristics

Pros and cons

5. BAXI ECO Four 24F

A pop­u­lar com­pa­ny that man­u­fac­tures devices for heat­ing water. This wall-mount­ed gas boil­er has an elec­tron­ic flame mod­u­la­tion that makes the heat­ing process more ener­gy effi­cient. It can work on liq­ue­fied gas if recon­fig­ured. Tur­bine water flow sen­sor. The heat exchang­er is made of cop­per and, accord­ing to the man­u­fac­tur­er, is pro­tect­ed from cor­ro­sion by a spe­cial com­po­si­tion. There are two ranges for adjust­ing the tem­per­a­ture of the heat­ing sys­tem: up to 85 degrees Cel­sius and up to 45 for under­floor heat­ing. You can con­nect an out­door tem­per­a­ture sen­sor so that the automa­tion itself sets the mode. Again, for an addi­tion­al fee, it is pos­si­ble to set a timer. Sev­er­al auto­mat­ic pro­tec­tion sys­tems are installed in the boil­er, which, accord­ing to their algo­rithms, car­ry out tests once a day and extend the life of the device. And for the safe­ty of peo­ple from poi­son­ing by com­bus­tion prod­ucts, there is a pneu­mat­ic relay.

Characteristics

Pros and cons

6. Ariston ALTEAS X 24 FFNG

This design series of wall-mount­ed gas boil­ers from an Ital­ian man­u­fac­tur­er is in demand in 2022. While most com­pa­nies pre­fer the clas­sic bor­ing box design, the Euro­peans turn their appli­ance into a futur­is­tic cab­i­net that match­es both high-tech inte­ri­ors and clas­sic ones. Weath­er-depen­dent automa­tion is built into the device, i.e. based on the tem­per­a­ture out­side the win­dow, he him­self adjusts or reduces the heat. How­ev­er, no one both­ers you to set your own para­me­ters. The com­pa­ny is proud of its accel­er­at­ed hot water sup­ply mode — five sec­onds after open­ing the tap — and the high effi­cien­cy of the device. The heat car­ri­er is pre­pared in a cop­per heat exchang­er pro­tect­ed from cor­ro­sion. The sec­ond cir­cuit is made of stain­less steel. The heater pro­duces up to 13.5 liters of hot water per minute. You can adjust its tem­per­a­ture from light +36 to +60 degrees Cel­sius. At the same time, for heat­ing, heat­ing can be increased to +82. The mod­u­lat­ing cir­cu­la­tion pump reduces noise and pow­er con­sump­tion. The boil­er is con­trolled via a smart­phone.

Characteristics

Pros and cons

7. Protherm Panther 25 KTO

Anoth­er par­tic­i­pant in the rank­ing of the best wall-mount­ed gas boil­ers 2022 with a preda­to­ry name. Please note that the line includes both sin­gle-cir­cuit and dou­ble-cir­cuit prod­ucts. You can read more about their dif­fer­ence below — in the part where we talk about the rules for choos­ing a device. “Pan­ther” — the man­u­fac­tur­er con­sid­ers his most pop­u­lar boil­er. The dis­play of this mod­el con­stant­ly shows all the indi­ca­tors impor­tant for the oper­a­tion of the device.

This mod­el has a coax­i­al exhaust sys­tem. This means that this can be installed in rooms with­out a spe­cial­ized chim­ney. How­ev­er, in the line there are devices with oth­er let­ters that are cen­tral­ly con­nect­ed to the duct. All mod­els are pro­tect­ed from freez­ing, over­heat­ing and are equipped with flame and draft con­trol sen­sors. This mod­el is 25 kW, how­ev­er, they are found on sale with increased pow­er up to 30 kW. Judg­ing by the reviews, the base mod­el serves a three-sto­ry house with an area of ​​​​160 “squares” with­out any prob­lems.

Characteristics

Pros and cons

8. Viessmann Vitopend 100‑W A1JB011

This is the most cur­rent mod­el of the man­u­fac­tur­er for 2022 in this price cat­e­go­ry. The range is wide: devices with pow­er from 12 to 34 kW are pre­sent­ed. Inside is a sim­u­lat­ed burn­er and fan to remove car­bon monox­ide. The com­bus­tion cham­ber is nat­u­ral­ly closed. Like oth­er mod­ern wall-mount­ed gas boil­ers, a diag­nos­tic sys­tem and a small dis­play with a pleas­ant white back­light are inte­grat­ed into the board.

Pre-installed pro­tec­tion against fluc­tu­a­tions in elec­tric­i­ty and gas net­works. The built-in plate heat exchang­er makes it pos­si­ble to achieve a sta­ble sup­ply tem­per­a­ture. The man­u­fac­tur­er has inte­grat­ed a relay with a clock mech­a­nism, thanks to which you can set the oper­at­ing mode based on the day or week. There are mod­els both with a DHW heat­ing boil­er and with­out it, if you sud­den­ly do not have space. A remote con­troller can be pur­chased sep­a­rate­ly. Unfor­tu­nate­ly, this is not the only thing that will have to be pur­chased for this boil­er. Some of the parts nec­es­sary for oper­a­tion are miss­ing from the box, there­fore, con­sult when buy­ing.

Characteristics

Pros and cons

9. De Dietrich ZENA Plus MSL 31 MI FF 31

Until recent­ly, the boil­ers of this Euro­pean man­u­fac­tur­er cost twice as much. Some deal­ers still sell them for over $100,000. But obvi­ous­ly the com­pa­ny decid­ed to change its pric­ing pol­i­cy and now we have prices above the mar­ket aver­age, but still more pleas­ant than in the pre­mi­um seg­ment. This mod­el has a closed com­bus­tion cham­ber. This is most often brought to a coax­i­al chim­ney, how­ev­er, there are con­fig­u­ra­tions with oth­er types of removal of com­bus­tion prod­ucts. By default, it runs on nat­ur­al gas, how­ev­er, equip­ment for con­vert­ing to propane can be ordered from deal­ers. The heat exchang­er is cop­per-plat­ed and addi­tion­al­ly “wrapped” with alu­minum-sil­i­con paint to increase strength.

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A mechan­i­cal pres­sure gauge is placed on the front part, which dupli­cates the pres­sure read­ings on the dis­play. The pump has three speeds and a bunch of auto­mat­ic lotions that guar­an­tee trou­ble-free oper­a­tion. The man­u­fac­tur­er imme­di­ate­ly puts a mount­ing plate in the box, but acces­sories for the hydraulic con­nec­tion must be pur­chased.

Characteristics

Pros and cons

10. BAXI LUNA‑3 240Fi

Anoth­er wall-mount­ed gas boil­er that is in high demand among buy­ers in 2022. The com­bus­tion cham­bers are closed. Fea­ture of the mod­el in com­pact dimen­sions. Installed high speed pump and auto­mat­ic air vent. The capac­i­ty of the expan­sion tank is eight liters. The tem­per­a­ture of the heat­ing sys­tem can be adjust­ed in the range from 30 to 85 degrees Cel­sius. Can work with warm floors. Automa­tion here is weath­er-depen­dent, that is, it can raise and low­er the degree depend­ing on the con­di­tions out­side the win­dow. This helps save mon­ey. The mod­el is praised for its low noise lev­el and eco­nom­i­cal gas con­sump­tion. For safe oper­a­tion, you will need to pur­chase and install a coax­i­al chim­ney. Pro­duc­tiv­i­ty at the lev­el — a lit­tle more than 14 liters per minute, which means you can turn on the water at the same time at two points.

Characteristics

Pros and cons

How to choose a wall-mounted gas boiler

We have pre­pared a rat­ing of the best wall-mount­ed gas boil­ers that can be found on sale in 2022. We were asked to tell about the fea­tures of choos­ing a device WOLF Ser­vice Engi­neer Vik­tor Chikalov and Tech­ni­cal Direc­tor of the FRISQUET heat­ing equip­ment man­u­fac­tur­er Roman Glad­kikh.

Before the purchase

Before choos­ing equip­ment, you need to decide how much heat and hot water you need to pro­vide for your home. What mat­ters is the num­ber of fam­i­ly mem­bers, the heat­ed area, the num­ber of bath­rooms and how the room will be heat­ed — radi­a­tors and / or under­floor heat­ing. With these char­ac­ter­is­tics already go to the experts.

For small house, where two or three peo­ple live, with one bath­room, a dou­ble-cir­cuit gas boil­er is suit­able. It costs more than a sin­gle-cir­cuit one, as it heats the water here and now. How­ev­er, for the first 4–5 sec­onds, it will not be warm enough. Some­times the tem­per­a­ture starts to jump in the process. On the oth­er hand, there are dou­ble-cir­cuit mod­els with a DHW semi-accu­mu­la­tion sys­tem (there is always 1.5–3 liters of hot water in the boil­er) or small built-in boil­ers. They also deliv­er hot water instant­ly and main­tain an even tem­per­a­ture through­out use.

For big fam­i­ly, and also if you have two or more bath­rooms, it is bet­ter to choose a sin­gle-cir­cuit boil­er with a boil­er (pur­chased sep­a­rate­ly or as a set), which pro­vides a con­stant sup­ply of hot water and will allow you to orga­nize an unin­ter­rupt­ed sup­ply of sev­er­al points at the same time. Then you can def­i­nite­ly avoid the sit­u­a­tion when, when you turn on the tap in the kitchen, you are sud­den­ly doused with ice water from the show­er.

What power to take

You can cal­cu­late the required boil­er pow­er using a heat engi­neer­ing cal­cu­la­tion — there are online cal­cu­la­tors on the Inter­net. Or leave it to the experts. Be guid­ed by the rule your­self: if you need hot water sup­ply from the boil­er, and not just heat­ing, then choose a mod­el of at least 24 kW. . Or anoth­er stan­dard: 1 kW of boil­er pow­er per 10 m² of house area.

Traditional boilers VS condensing

This is what boil­er sys­tems are called. Tra­di­tion­al ones are cheap­er and use only the ener­gy of burn­ing gas. Con­dens­ing boil­ers save gas costs in the long run, although they are more expen­sive in the store. To obtain ener­gy, they use the max­i­mum of inter­nal capa­bil­i­ties: hot flue gas­es are cooled by water and allow the result­ing con­den­sate to be reused. Dur­ing the heat­ing sea­son, they save up to 25% of fuel. In addi­tion, they are more envi­ron­men­tal­ly friend­ly. In Europe, where a lit­tle ear­li­er they began to care about the envi­ron­ment, con­dens­ing boil­ers are manda­to­ry for instal­la­tion. Per­haps Rus­sia will come to this in the near future.

It is inter­est­ing

The best ther­mostats for boil­ers

What else to look for when choosing a wall-mounted gas boiler

The com­bus­tion cham­ber: open or closed. The first ones take com­bus­tion air from the room in which they are locat­ed. Exhaust gas­es are thrown into the chim­ney with nat­ur­al draft. If there is none and there is no way to mount it, you can stop at a boil­er with a closed com­bus­tion cham­ber and a spe­cial smoke exhaust sys­tem.

Where will the heat gen­er­a­tor be locat­ed?. If in the kitchen, you should pay atten­tion to the size and noise lev­el. Today, there are mod­els on the mar­ket three-quar­ters of a meter high, shal­low and quite qui­et — up to 50–53 dB;

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What fea­tures are need­ed. Auto­mat­ic con­trol, remote con­trol (for exam­ple, to give com­mands to the boil­er while on vaca­tion abroad), the abil­i­ty to main­tain dif­fer­ent tem­per­a­tures in dif­fer­ent rooms (in the kitchen +20, in the bed­room +18, in the liv­ing room + 22), the abil­i­ty to start inde­pen­dent­ly after turn­ing off when dropped gas pres­sure in the sys­tem, etc.

Guar­an­tee. All man­u­fac­tur­ers promise reli­a­bil­i­ty, but only a few give a long-term guar­an­tee. It should be at least two years for the main com­po­nents and five years for the heat exchang­er. Some com­pa­nies are tricky: they give a 10-year war­ran­ty not on the heat exchang­er itself, but on its cor­ro­sion resis­tance. An indi­rect sign by which it can be deter­mined that the boil­er will work for a long time is the peri­od of avail­abil­i­ty of spare parts in ware­hous­es after the mod­el is dis­con­tin­ued. For exam­ple, 20 years.

Fac­to­ry equip­ment. Often, a sup­pos­ed­ly cheap boil­er ends up cost­ing twice as much, because you have to buy addi­tion­al com­po­nents for it: an expan­sion tank, a cir­cu­la­tion pump, sen­sors. There­fore, when choos­ing, you should pay atten­tion to the descrip­tion of the fac­to­ry equip­ment: the more devices includ­ed in the kit, the less you have to buy. Ide­al­ly, the boil­er should be ready for instal­la­tion out of the box.

Place of assem­bly and mate­ri­als. Be sure to pay atten­tion to the coun­try of ori­gin. This should be the home coun­try of the brand, only in this way can you get a guar­an­tee that the boil­er meets all EU require­ments, which are stricter than in Rus­sia in terms of envi­ron­men­tal friend­li­ness and safe­ty. Some brands are mov­ing pro­duc­tion out­side the EU, using out­dat­ed indus­tri­al lines, cheap­er mate­ri­als, qual­i­fied per­son­nel. There­fore, not only the brand itself is impor­tant, but also the pro­duc­tion site.

after-sales ser­vice. Ide­al­ly, it should work 24/7. The logis­tics for the deliv­ery of spare parts must be built very clear­ly. For exam­ple, in some ser­vice com­pa­nies, when leav­ing for a call, a spe­cial­ist must car­ry with him all the spare parts, except for the heat exchang­er. This great­ly speeds up main­te­nance, because some oth­er prob­lem may “open up” dur­ing the repair. There are options for remote ser­vice: for this, a spe­cial device is con­nect­ed to the boil­er, with the help of which the ser­vice cen­ter spe­cial­ists can mon­i­tor the state of the heat­ing equip­ment non-stop in real time and, if some­thing goes wrong, quick­ly respond to the error.

A question of price

There are many vari­eties and the cost of the boil­er depends on many para­me­ters. A tra­di­tion­al one can cost 40–50 thou­sand rubles, and a con­dens­ing boil­er in the region of 100,000 rubles and more. High-pow­er pre­mi­um devices, for exam­ple, from Ger­many, can reach up to 400,000 rubles. Behind the high price is secu­ri­ty, high ener­gy effi­cien­cy and man­u­fac­tura­bil­i­ty, includ­ing, for exam­ple, remote con­trol from a smart­phone.

Install yourself or call a specialist

Gas is not safe. If you want the boil­er to work longer, it is bet­ter to con­tact spe­cial­ized ser­vice cen­ters that will install the equip­ment, pro­vide pro­fes­sion­al com­mis­sion­ing and reg­u­lar­ly ser­vice the equip­ment. It is also manda­to­ry, like main­te­nance for a car. If you do not want to sud­den­ly be left with­out heat in the cold sea­son, it is bet­ter not to save. Ide­al­ly, ser­vice engi­neers and installers from accred­it­ed cen­ters of the man­u­fac­tur­er whose boil­er was pur­chased.

Are gas boilers dangerous?

Mod­ern mod­els, when prop­er­ly installed, are safe devices. But it is still bet­ter to read the instruc­tions and adhere to the spec­i­fied require­ments. Recent­ly, all boil­ers sold in Rus­sia are equipped with draft anom­aly sen­sors in order to pro­tect against car­bon monox­ide poi­son­ing. Many mod­els auto­mat­i­cal­ly turn off if the pres­sure drops in the gas net­work. For safe­ty, you can hang a gas sen­sor in the room with the boil­er.

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