Instantaneous gas water heaters: TOP 12 models + recommendations for choosing equipment

The instantaneous water heater of the Italian brand boasts excellent performance. The “production” volume is 14 liters per minute - this is enough to service two drainage points. Such a flower covers the needs of a family of 3-4 people.

The Ariston Fast Evo 14C model is equipped with a copper heat exchanger, an informative display and a full-fledged security system. Ignition is carried out automatically when water is supplied; for operation, a connection to the electrical network is required.

Technical features:

• productivity – 14 l/min;
• thermal power – 24 kW;
• combustion chamber – open;
• control – electronic;
• additionally - gas control, overheating protection, water heating limiter;
• dimensions – 37*55*19 cm;
• weight – 10 kg.

The combustion chamber is in an open column, so no air supply from the street is required. However, effective ventilation must be ensured in the room.

Users like the build quality, the presence of a thermometer and a security system. Some owners do not like the long ignition time, but this can be avoided by spending a little more time on the initial setup of the device.

A gas water heater with a closed combustion chamber helps maintain the indoor microclimate - air is supplied to the combustion chamber from the street. There is no gas smell in the room. Effective air exchange is ensured by a built-in fan.

The boiler is connected to the electrical network. To ensure uninterrupted operation of the water heater during a power outage and to protect the equipment from power surges, it is necessary to connect a UPS.

Technical features:

• productivity – 10 l/min;
• thermal power – 20 kW;
• combustion chamber – closed;
• control – mechanical;
• additionally – frost protection, overheating protection, water heating limiter;
• dimensions – 33*55*19 cm;
• weight – 10 kg.

The water heater has a temperature display. There are two rotary levers for control.The settings must be adjusted every time the pressure in the system changes, since the model does not have automatic flame modulation.

This column has a closed combustion chamber, so you should find a place for gas outlet in advance. A two-layer coaxial cable is used to remove recycled gas from the water heater. The external panel is made according to the sketches of an Italian designer.

The column heat exchanger is made of copper. A self-diagnosis system and electronic temperature control are provided. Control panel with display and touch buttons. Temperature range - 35°С...45°С.

Technical features:

• productivity – 11 l/min;
• thermal power – 19.58 kW;
• combustion chamber – closed;
• control – electronic;
• additionally – frost protection, overheating protection, water heating limiter, self-diagnosis;
• dimensions – 33*55*18 cm;
• weight – 12 kg.

Users like the high level of safety - in the event of a malfunction, the self-diagnosis system will work and the unit will turn off.

The speaker has a modern, stylish design - a front panel with a pattern. A instantaneous water heater can operate even with minimal water and gas pressure. The column heat exchanger is made of copper.

Technical features:

• productivity – 10 l/min;
• thermal power – 20 kW;
• combustion chamber – open;
• control – mechanical;
• additionally – overheating protection, heating temperature limitation, gas control;
• dimensions – 33*55*19 cm;
• weight – 10 kg.

Users like that the speaker is easy to set up, as well as the presence of a security system. The downside is that when turned on at two points simultaneously, the water temperature drops.

The speaker has an excellent design, so it will decorate any kitchen. The water heater will completely cover the water needs of one or two residents.

A budget offer from a Russian manufacturer - the Oasis 16 non-volatile column. Ignition is carried out from batteries, the device operates exclusively on natural gas.

The Oasis 16 model consumes “blue fuel” economically - the column has a “Winter-Summer” switch, which provides smooth adjustment of water heating in different seasons. Thanks to this technology, savings of up to 40-50% are achieved.

Technical features:

• productivity – 8 l/min;
• thermal power – 16 kW;
• combustion chamber – open;
• control – mechanical;
• additionally – heating temperature limitation, gas control system, safety valve;
• dimensions – 32*52*15 cm;
• weight – 6.3 kg.

Customer reviews are mostly positive. The unit is chosen because of its good price/quality ratio and high level of efficiency. However, there are isolated complaints from users about heat exchanger leakage.

The column heat exchanger is made of copper. There is an LED display on the front panel that displays performance indicators. A powerful security system will protect the device from unexpected breakdowns. The maximum hot water temperature reaches 65˚C.

Technical features:

• productivity – 6 l/min;
• thermal power – 12 kW;
• combustion chamber – open;
• control – mechanical;
• additionally - protection against overheating, smoke control sensors, a thermometer and a display are provided;
• dimensions – 30*48*14 cm;
• weight – 4.4 kg.

The gas flower demonstrates good performance even at low water pressure. When turned on, the speaker does not make pops and operates quite quietly.

This small-sized speaker is ideal for one person, and will also fit perfectly into a small kitchen or even a bathroom.

The geyser operates on natural gas. In a minute, the unit will heat about 10 liters of water to the desired temperature. Equipment of such productivity is suitable for a small family - a maximum of three people.

A copper heat exchanger is installed in the water heater; ignition occurs automatically when the water tap is opened. Batteries are required to turn on.

The front panel of the GWH 10 NNBW has a temperature display and two control levers. The column operates with water supplied under a pressure of 0.2-10 atm, so the water heater starts working even at low pressure.

Technical features:

• productivity – 10 l/min;
• thermal power – 20 kW;
• combustion chamber – open;
• control – mechanical;
• additionally - gas control, gas filter, heating temperature limitation,
• dimensions – 32*52*15cm;
• weight – 6.3 kg.

The variety of reviews confirms the demand for the GWH 10 NNBW model. Users note the quick start, good build quality and ease of temperature adjustment. There are complaints that at the beginning of operation the column is noisy, but when it reaches the desired temperature it operates more quietly. The batteries will have to be changed every quarter.

The NanoPlus series unit is equipped with electronic ignition, a comprehensive security system and an LCD display. The model has an oxygen-free copper heat exchanger and a stainless steel burner. The water heater has stepless power adjustment.

The device is controlled mechanically - there are two rotating handles. There is a sensor in the column that turns off the gas supply if there is poor draft in the chimney.

Technical features:

• productivity – 12 l/min;
• thermal power – 24 kW;
• combustion chamber – open;
• control – mechanical;
• additionally – flame presence control, pressure safety valve, water/overheat protection, chimney draft sensor;
• dimensions – 35*61*18 cm;
• weight – 8.22 kg.

The model received high user ratings. They praise the design, the speed of water heating, and the ability to connect two water consumption points. The column also works at low pressure.

The shortcomings identified during operation influenced the rating - the GWH 12 NanoPlus 2.0 model was awarded the second position in our rating.

A model from a domestic manufacturer with a thermal power of 26 kW is capable of serving three water intake points. The unit is equipped with a copper heat exchanger, a digital display and a multi-level protection system.

A special feature of BaltGaz Comfort 13 is the ability to operate on liquefied and natural gas. Such a water heater can be used in a home, country house, or for heating water for industrial purposes.

Technical features:

• productivity – 13 l/min;
• thermal power – 26 kW;
• combustion chamber – open;
• control – mechanical;
• additionally - gas control, protection against overheating and switching on without water, heating temperature limitation;
• dimensions – 35*65*24 cm;
• weight – 12 kg.

According to the documentation, the minimum water pressure to trigger automatic ignition is 0.15 atm. The display shows the temperature and battery charge level.

Despite the high performance characteristics declared by the manufacturer, users complain about the build quality of the BaltGaz Comfort 13. They note “flimsy” switch handles, malfunctions of the display, and demanding water pressure.

Considering the last drawback, such a column cannot be recommended for residents of the upper floors, starting from the fifth. The flow tank is suitable for a family of 4 people. The column can be installed in private houses or on the first floors of high-rise buildings.

Instantaneous water heater of the Therm 4000 series with piezoelectric ignition from batteries. The power of the column is 22.6 kW, which corresponds to a “production” of 13 liters of warm water per minute. The temperature range of the outlet water is 35°C...60°C.

The WR 13-2B23 unit does not have a display, like most competing models. The activation of operation and gas supply is indicated by a light indicator located on the front panel. Control system – two rotary switches.

Technical features:

• productivity – 13 l/min;
• thermal power – 22.6 kW;
• combustion chamber – open;
• control – mechanical;
• additionally - overheating sensor and flue gas control, gas control, water heating limiter;
• dimensions – 35*66*22 cm;
• weight – 13 kg.

Users praise the speed of water heating and the reliability of the security system. The Anti Overflow sensor will automatically shut off the gas supply if the chimney is clogged and there is insufficient draft - this will protect residents from carbon monoxide poisoning.

However, the device of a famous brand also has disadvantages. The main disadvantage is that for ignition you need good water pressure, which is not always available in houses with old water pipes.

This heating device heats up to 14 liters of water per minute of operation.Non-volatile column with an open combustion chamber, display and battery ignition. Model GWH 14 NanoPlus 2.0 meets European safety requirements - there is a thermostat and a comprehensive protection system.

The heat exchanger is made of high quality oxygen-free copper. There are two rotary levers for control; between them there is a mini-screen displaying the temperature and battery charge level.

Technical features:

• productivity – 14 l/min;
• thermal power – 28 kW;
• combustion chamber – open;
• control – mechanical;
• additionally – protection against overheating, switching on without water and overpressure, chimney draft sensor, flame detection;
• dimensions – 40*65*20 cm;
• weight – 11.2 kg.

The water heater copes well with servicing two water intake points. Users like the design, ease of use and compact dimensions of the case. However, the unit also has weaknesses that should be taken into account when purchasing and operating a gas water heater.

A high-tech water heater with innovative Hydropower technology - an automatic ignition unit powered by a hydrogenerator. The heat exchanger is made of high-quality copper, the burners are stainless steel.

The LCD displays temperature information and error messages. The WRD 10-2G23 unit has equipment power modulation and a comprehensive security system.

Technical features:

• productivity – 10 l/min;
• thermal power – 17.4 kW;
• combustion chamber – open;
• control – mechanical;
• additionally – overheating protection, smoke and gas control sensor, ionization flame control, gas control;
• dimensions – 31*58*22 cm;
• weight – 11.5 kg.

The unit has proven its reliability in practice; there are no complaints about the build quality or performance. However, users say that the water heater does not turn on when the water pressure is low - this problem is typical for residents of upper floors.