Rating of instantaneous gas water heaters without a chimney: the best deals and tips for choosing

Important parameters of a storage gas water heater - what to look for

The first important point of our little research has been passed. But, asking the question “How to choose a gas water heater?”, One cannot ignore such a section as technical and operational characteristics. Let's take a closer look at the most important parameters:

Power and performance

For almost any household appliance, the most important indicator that reveals the full potential is the rated power. As in the case of an electric water heater, the value of the hero of our review is measured in kilowatts.

In practice, another important characteristic depends on power - performance. For a more visual confirmation of these words, we suggest that you familiarize yourself with the table of the dependence of the two characteristics.

Power value, kW	The maximum volume of water heated up to 30 ºС, l./min.	The maximum volume of water heated up to 50 ºС, l./min.
20	13	6
26	16	8
30	18	9

NOTE!

Performance also has its own important parameter, and its name is the volume of the drive. After studying the instructions, you can see a direct relationship between how many liters the heater can hold and how long the water will be heated to a certain temperature.

Materials used + type of tank lining

To date, there are two most common materials for the manufacture of the internal tank of the device - ordinary steel coated with a layer of enamel, or "stainless steel". The first option is cheaper and more durable, but is subject to rapid destruction due to corrosion. The second variation has good durability, but is more destroyed by pressure drops in the system, and is also characterized by high cost.

For the internal coating of the container, either the previously mentioned enamel is used (models with glass porcelain are also found), or spraying from various corrosion-resistant metals (titanium, molybdenum). Each version has its own useful life, and depends primarily on the intensity of operation and the heating temperature.

Combustion chamber type

As we said earlier, there are units with an open and closed combustion chamber, and each has its own strengths and weaknesses. The wrong choice of instrument will entail unnecessary costs, and may not meet your goals and expectations at all. In the absence of complete confidence, it is better to give preference to the classic flowing gas column - the risk will be minimal.

Ignition start method

If you have only a modest amount of money or you want to completely control the operation of the water heater, it is better to take a model in which the gas is ignited with matches, a lighter or a piezoelectric element. If you want to save time and energy costs, then you should look at models with automatic start / shutdown.

The presence of a sacrificial anode

To extend the life of the device and improve its resistance to corrosion, many manufacturers equip their "children" with a zinc or magnesium anode. During use, this element gradually "evaporates", dissolving and preventing damage to the integrity of the tank. It is better to check with the seller or on the manufacturer's website about the presence of such a "bells and whistles".

Ignition

Modern instantaneous water heaters that operate without the use of a conventional chimney have three types of ignition systems - hydroturbine ignition, piezo ignition and electric ignition. They create ease of use of the column and its safety.

Hydroturbine ignition is carried out from a hydrodynamic generator. Many modern appliances have built-in mini hydroelectric power plants, the generator of which is installed in the water heater pipeline.The incoming water passes through the turbine, rotating its blades, and the generator begins to generate the necessary electricity for the igniter. Such water heaters do not need to install additional energy sources necessary for ignition.

Piezo ignition has a special element that generates electrical potential from mechanical impact, as a result of which a spark appears, with which the burner is ignited. Such ignition has one drawback - the igniter must be in a burning state in advance so that when the water is turned on, the main burner ignites.

Electric ignition requires connecting the column to the mains or installing batteries, such as batteries or batteries. When the tap is opened, a water pressure sensor is activated, which gives a command to ignite the igniter using a spark gap.

Efficient use of the instrument

When operating gas units, two serious hazards must be taken into account, such as the possibility of poisoning by products of gas fuel processing and explosion. That is why you should never neglect the scrupulous study of the instruction manual and the fulfillment of all its requirements.

Modern columns with a mechanical control system are usually very easy to operate, if the settings are set correctly, the device will supply a stable flow of enough hot water

To ensure sufficient draft for the normal functioning of the column, care should be taken to ensure a constant supply of air to the room equipped with the device. Plastic windows reliably block the paths of air flow.

The installation and connection of the column, its maintenance and the necessary repair procedures must be carried out by an employee of the gas industry, amateur performance in these matters can seriously harm

In order for the column to work normally, it makes sense to arrange a suitable ventilation option. Before turning on the column, a draft test is considered mandatory.

It is best to use thin paper for this, rather than matches or a lighter. If gas has accumulated inside the housing due to a breakdown, it may explode.

The presence of sufficient traction can be judged by the flame on the igniter: if the tongue deviates towards the chimney channel, then there is traction. But it is safer to use not fire, but thin paper for testing.

It is important to understand that the unauthorized installation of a gas column is fraught not only with the accrual of fines, but also with much more serious consequences. You can not repair a broken column yourself or make your own changes to the design

This could lead to a possible gas leak and subsequent explosion.

You cannot repair a broken column yourself or make your own changes to the design. This could lead to a possible gas leak and subsequent explosion.

The heat exchanger becomes clogged with scale over time and has to be cleaned periodically.

Improper use of the geyser can lead to its pollution. To restore normal operation of the unit, it must be cleaned

In order for this process to occur as slowly as possible, you need to correctly set the heating temperature. The higher it is, the more scale. The maximum recommended indicator is 55 ° С.

If the column does not light up due to low water pressure, it may be time clean or replace water pipes. It is best to take care of this even before buying and installing the device.

Some speakers do not turn on immediately because there is no water inside. First, open the water tap to fill the circuit, and then ignite the gas.

It does not hurt to pre-drain a certain amount of water and remove the accumulated air.

Zuzako editorial recommendations for choosing gas water heaters

If you can’t independently determine which columns are better and which are worse, then use our advice. In addition, see photos of your favorite models, as well as their video review.

Column for the apartment

Most geysers are suitable for installation in an apartment. However, in order for this household appliance to work as efficiently as possible, several important points must be taken into account when choosing it.

Selection Tips:

For 1-2 people, a column with a minimum power will be enough. At the same time, large families should buy a device in which this indicator is at an average or high level.
Very often the kitchen or bathroom has a small area. In this case, you need to buy the most compact speakers that can fit in a cramped room.
In order not to grab your head with your hands when you see a gas bill, we recommend choosing the most economical models

They are much more expensive, but all the extra costs will pay off pretty quickly.
When living in an apartment building, it is especially important to use speakers equipped with various security systems. They will prevent an accident in the event of a sudden pressure surge, a sudden shutdown of water, or an erroneous user action.
The phrase “Adapted to the conditions of your country” must be written on the packaging or in the instructions

Otherwise, the model may be designed for the European plumbing and gas system.

Column for a large house

Selection process speakers for a private house more complex than for an apartment

In this case, it is important to consider every little thing. This is the only way to buy a device that will work effectively for many years.

Selection Tips:

1. The purchased column must have a design that allows you to connect it to the chimney and ventilation.
2. If you intend to use a column to heat a small amount of water, then it is best to buy devices with low productivity. They are much cheaper, and in most other parameters they are not inferior to the best models.
3. In most cases, rooms in a private house are larger than in a standard city apartment. Therefore, you can buy speakers of any size.
4. Heat losses during water heating in a country house are greater than in a city apartment. Therefore, it is necessary that the purchased apparatus can heat the liquid to higher temperatures.

3 Neva 4510-M

Among the strengths of the Neva geyser in the reviews, buyers call low cost, quiet operation and the presence of a thermometer. This water heater has several useful features, such as battery-powered electric ignition. This is convenient, since there is no need to connect the device to a power outlet, and a well-thought-out system of electric fuel ignition requires a minimum of energy and does not need frequent replacement of batteries. The column starts to work even with a minimum water pressure of 0.1 atm, which allows it to be used in almost any conditions. As weaknesses, the low quality of materials is distinguished, and, as a result, low reliability.

A common question for owners of apartments and private houses: which is better, a gas water heater or an electric boiler? Each type of water heater has its pros and cons, which will be discussed in the following table:

Water heater type	pros	Minuses
Geyser	+ Compactness (a big plus for a small apartment) + Unlimited hot water supply + Maintainability + Reliability + Affordable price	- Complicated installation, which must be carried out by a specialist - Approvals required for installation - Installation of a chimney and ventilation is required - Stable gas and water pressure is required for stable operation - low efficiency
electric boiler	+ Easy installation + Increased security + No chimney and ventilation required, as there are no combustion products + High efficiency (up to 99%) + Ability to provide a large volume of hot water at a time + Does not depend on water pressure	- High price - With a full flow of water in the boiler, the next portion will have to wait at least 1.5 hours. - Large dimensions

Selection Guide

Type of gas water heater. All gas appliances for heating water can be divided into two groups, starting from the design.

Accumulative models are equipped with a tank with a volume of 50 to 500 liters, in which water is heated and stored. Inside the tank there is a heat exchanger through which the combustion products of blue fuel pass. To prevent the water from cooling quickly, the walls of the tank are insulated. The disadvantage of such devices is the high cost and bulkiness.

Experts advise paying special attention to the volume of the storage tank. For example, for three tenants in a house, a supply of hot water of approximately 80 ... 150 liters is required.

Instantaneous water heaters look more modern

They attract potential buyers with compactness and comfort in operation. The water is heated by passing through the heat exchanger. High power gas burner installed below it. Many models have automatic ignition, it turns on when the tap is opened and turns off when it is closed. Flowing gas water heaters can be controlled both mechanically and electronically.

Water temperature. Before buying a gas water heater, potential buyers should decide on the maximum temperature of hot water.

1. If the tenants have enough temperature of 55-60 ° C, then you can opt for flow-through gas water heaters. At the same time, to ensure this range in several taps, you will have to choose a device with a high thermal power (15-25 kW).
2. Only accumulative models are capable of providing water with a temperature of 70-80 ° C. Even devices with modest power (4-10 kW) will cope with this task.
3. Type of gas. Initially, geysers configured to work with natural gas are supplied to the distribution network. Not all regions of our country can boast of having a gas pipeline. Therefore, many manufacturers of gas water heaters complete their products with an additional set of spare parts for converting the column to liquefied gas.

Ignition method. To turn blue fuel into heat, you need to set it on fire. This can be done in different ways.

1. A manual type of ignition has become archaic, when a lighted match is brought to the gas burner. It is not very convenient and unsafe to do this.
2. Piezo ignition is a simple and reliable option.By pressing a special button, the gas burner is activated with a spark. But in such models a pilot burner is installed, it burns gas even in standby mode. Because of this, the consumption of blue fuel will not be economical.
3. Electric ignition is the most convenient and modern. The gas burner is switched on when the hot water tap is opened. A special valve regulates the gas supply, allowing you to save fuel. The disadvantage of this method of ignition is the high price.

The combustion chamber. The conversion of blue fuel into heat is carried out in a special chamber. It is of two types.

1. The open chamber is simple and low cost. The air comes from the room where the heater is located. Exhaust gases are discharged through the chimney. A necessary element when buying such a water heater will be the device of an effective ventilation system in the room.
2. A closed system draws air from outside the house. A distinctive feature of a column with this type of chamber is the horizontal arrangement of the chimney. It is a coaxial pipe. Air enters the combustion chamber through the outer circuit, and exhaust gases are removed through the inner hole. This type is considered safe, but the price of the column will be higher.

Safety system

Since gas equipment poses a danger to residents of the house, attention should be paid to the presence of protective systems.

1. Gas control instantly shuts off the fuel supply if the flame goes out.
2. The draft detector will prevent the device from turning on or turn it off in the event of a chimney clog.
3. To prevent damage to the heat exchanger, the columns are equipped with overheating protection.
4. A low water pressure sensor will help ensure the durability of the water heater.
5. The safety valve is triggered by excess pressure, which is formed during heating and expansion of water.

The editors of expertology magazine, together with experts from the rankquality service, selected the top 10 gas water heaters for review. All these models are widely represented in specialized stores in our country. When distributing places, the editors of the expertology journal relied on the opinion of the expert community, taking into account the feedback from Russian consumers.

Which water heater is better - gas or electric

Despite the different principle of operation and consumed energy carriers, the devices differ little in terms of operation. Columns regularly heat water, break down quite rarely, maintenance is about once every 1-2 years.

Heating devices differ significantly in the complexity of installation. To install a gas column, the following conditions must be met:

• gas must be brought into the house - main or liquefied from cylinders (gas tank);
• obtain permission to install new gas-using equipment, order the development or change of project documentation;
• organize supply and exhaust ventilation in the room where the device is planned to be installed; in the kitchen, there is enough existing exhaust and ventilation through the window;
• build a chimney or provide a place for the output of the coaxial pipe through the wall;
• to connect the heater to the gas pipeline, you need to contact a specialized company, unauthorized tapping is not allowed.

It is not easy to calculate how much the listed activities will cost, the cost depends on specific conditions - the region of residence, the type and degree of preparedness of housing.To install a flowing electric heater, only one factor is important - the availability of the required electrical power at the input to the apartment / country cottage. Connection permission is not required.

Let's compare both types of heaters according to other criteria:

1. Electric heaters are more compact than speakers, they are placed in any room. Gas "water heater" can not be placed in the bathroom.
2. Automatic ignition in atmospheric speaker models often runs on batteries - they are discharged at the wrong time.
3. Inexpensive gas units with an open combustion chamber operate without electricity. This is a plus for areas where power is often turned off.
4. Natural gas water heaters are more powerful. Lines of devices from different manufacturers start with models of 8 ... 10 kW, and electrical appliances - from 3 kilowatts.
5. In Russia, natural gas is much cheaper than electricity. Accordingly, the gas-using heater will benefit in terms of operating cost.
6. On the other hand, connecting to the main gas pipeline costs fabulous money if the house has not previously been gasified.

Conclusion. The choice of instantaneous water heater depends, first of all, on the supply of the desired energy carrier. When there is gas, and the power consumption at the input is limited to 3-3.5 kilowatts, put a column. In the absence of gas fuel, you can pick up a small-capacity mini-water heater that consumes up to 3 kW of electricity.

4 Vaillant AtmoSTOR VGH 190

Vailant has long been considered the leader in the heating equipment market, and its AtmoSTOR series of gas water heaters is the best choice for organizing an economical hot water system in bunk apartments, apartment buildings, cafes, beauty salons, etc.Their main feature is the possibility of using in combination with heating boilers, which can be turned off in the summer without any damage to the supply of hot water. The design is designed in such a way as to exclude inappropriate heat loss: an injection gas burner is built into it, the combustion chamber is surrounded by water, a 5-cm layer of polyurethane foam heat insulator is laid between the metal casing and the inner tank.

The degree of heating of the water mass is adjusted in steps, which allows you to accurately select a comfortable temperature. A separate room is not required to install the device, since it works quietly, and the protection functions - flame control, temperature limiter, gas outlet sensor - create all the conditions for safe operation. In general, the AtmoStor water heater proved to be the best, working well and for a long time even in non-standard cases, for example, with a short-term increase in pressure in the central or group water supply network up to 10 bar.

Ariston Gi7S 11L FFI

The Ariston Gi7S 11L FFI water heater belongs to the Marco Polo line, therefore it has an unsurpassed appearance that captivates literally at first sight. The multi-level protection system is complemented by a closed combustion system so that residual products do not enter the room. Such a device is able to consistently maintain the set temperature, and the advanced display clearly shows all the important information. This is a premium model with an elegant design and low noise level. Supports not only liquefied, but also natural gas.

Advantages:

• Gorgeous premium look.
• Touch control and informative screen.
• An abundance of various functions.

Disadvantages: more suitable for private homes.

Features of choosing a storage gas heater

The first thing you should pay attention to is the capacity of the tank. Most of the users are repelled by this option.

In stores there are models that have from 10 liters to 500 liters. The choice depends on the preferences and the number of family members.

Power

The acceptable value of gas storage equipment is 4-6 kW, which is a high figure for electrical installations. Thanks to this, heating is carried out faster and more efficiently. Power depends on the volume of the tank. For example, in a water heater with a capacity of 150 liters, it is customary to install a gas burner up to 7 kW.

Internal and external coating

The service life of the device depends on the correctly selected material. Models that are made of ordinary steel are common in stores, but in order to increase the technical characteristics, manufacturers cover the outer part of such devices with enamel or glass ceramics.

More expensive options are made of stainless steel, but there is one caveat. For example, inexpensive models use a thin sheet of stainless steel, which affects strength, so the product does not withstand sudden pressure drops.

The interior must be as resistant to corrosion as possible. There are 3 popular versions:

1. Stainless steel.
2. Glassware.
3. Titanium coating.

In the budget segment, there are models in which the inside is covered with enamel or glass porcelain. There are no complaints about the work and durability of such units.The only thing to remember is that sudden temperature changes should not be allowed. If this happens, then microcracks form in the inner part, which will affect the durability.

If you have money and the opportunity to buy a stainless steel tank, then it is better to do so. This material features good corrosion protection and high reliability. In addition, the warranty period for such models ranges from 7-10 years, while budget models are covered by a one-year or two-year warranty.

Titanium coating is used in premium segment models. There are no strong differences from stainless steel. The only thing is that the service life and reliability of such structures is slightly higher.

magnesium anode

This element is installed in almost every system. Its main purpose is additional protection against corrosion. Most of the water heating elements are equipped with an electrochemical protection system with a sacrificial anode.

When using storage systems, it is important to remember that this part is a consumable item, so its service life is limited. Replacement must be carried out based on the frequency of use.

In cases where a person uses the device daily, a new anode is placed after 6 months of operation. If the device is rarely used, then once a year. However, it is important to take into account the hardness of the water, which also affects the wear rate of the heater.

2 Mora Vega 10

The next place in the ranking of the best geysers in the middle price category is the Mora Vega 10 device. This is a popular water heater designed to provide apartments and small houses with hot water. In terms of price, this is an average model, which also affects the characteristics.But this device boasts excellent reliability and the ability to work in a wide pressure range - from 0.2 to 10 atm. Electric ignition quickly ignites the fuel, and the "gas-control" function eliminates any gas leaks.

In positive reviews, buyers talk about ease of operation, heating efficiency and excellent reliability as positive aspects. geyser Mora. To install the device, it is not necessary to invite a specialist - detailed instructions in the kit will allow you to connect everything yourself. Overheating protection will prevent premature failure of the water heater, and temperature limitation will allow you to choose the optimal parameter for comfortable use of hot water. The disadvantages of users include not always triggered electric ignition and poor heating at low pressure.

Apparatus with mechanical control

Electrolux GWH 12 Nano Plus 2.0

pros

• oxygen-free copper heat exchanger
• quiet operation and no popping when ignited
• triple safety control system
• the presence of a display

Minuses

no significant deficiencies were identified by users

From 10800 ₽

Opens rating of geysers in terms of quality and reliability, the Electrolux GWH 12 NanoPlus 2.0 model. The water heater is equipped with an LCD display, which displays the water temperature and battery level. The geyser has a multi-stage system of protection and security control of the European level. Works well with low water or gas pressure in the system.

Hyundai H-GW2-ARW-UI308

pros

• small price
• quality assembly
• fast water heating
• complex 4-component protection system

Minuses

the heat exchanger is made of ordinary copper

From 6000 ₽

Hyundai H-GW2-ARW-UI308 is a reliable water heater for providing hot water to apartments, heating private houses, summer cottages. Equipped with a blue backlit display, classic copper heat exchanger, electronic ignition system. The power is 20 kW. A multi-level protection and control system ensures safe operation.

Oasis Modern 20M

pros

• there is an indication of inclusion
• modern design
• convenient control system

Minuses

thin lining

From 6050 ₽

Oasis Modern 20M is an inexpensive geyser for heating water in an apartment or a private house. The instantaneous water heater has standard characteristics - power of 20 kW and performance 10 l/min. The device is equipped with an LCD display and ergonomic rotary switches. Auto-ignition from batteries and power-on indication increase convenience during operation.