Top 12 best gas boilers Navien: rating 2021-2022 years and which parameters should have wall and double-circuit models
Gas boilers from the Korean manufacturer Navien in quality and functionality are not inferior to equipment from leading European brands.
They combine modern design, durable materials and practical heating elements.
In the line there are devices that run on natural and liquefied gas.
Boilers differ in power and functionality, so it is worth familiarizing yourself with the selection criteria and features of popular models.
| Place | Name | Price |
|---|---|---|
| Top 3 best gas boilers Navien in the price / quality ratio | ||
| 1 | Navien DELUXE COAXIAL 24K | Learn the price |
| 2 | Navien DELUXE 24K 24 kW | Check out the price |
| 3 | Navien ATMO 24AN 24 kW | Learn more about the price |
| Top 3 best two-circuit gas boilers Navien | ||
| 1 | Navien Deluxe S COAXIAL-16k 16 kW | Learn more about the price |
| 2 | Navien DELUXE 40K 40 kW | To know the price |
| 3 | Navien DELUXE 16K 16 kW | Learn more about price |
| Top 3 best wall mounted gas boilers Navien | ||
| 1 | Navien Deluxe S COAXIAL-13k | Learn more about the price |
| 2 | Navien DELUXE PLUS 13K 13 kW | Check out the price |
| 3 | Navien Deluxe S COAXIAL-24k | Check out the price |
| Top 3 best floor standing gas boilers Navien | ||
| 1 | Navien GA 35KN 35 kW | Check out the price |
| 2 | Navien GST 49 kW | Learn more about the price |
| 3 | Navien GST 60KN 60 kW | Check out the price |
Content
- Rating TOP-12 best gas boilers Navien
- How to choose and what to pay attention to?
- The best gas boilers Navien in the ratio of price to quality
- The best two-circuit gas boilers Navien
- The best wall mounted gas boilers Navien
- The best floor standing gas boilers Navien
- Types of gas boilers Navien
- How to choose the output of the gas boiler
- Customer reviews
- Useful video
How to choose and what to pay attention to?
The main parameters for selecting a gas boiler for residential, administrative and industrial premises:
- power - it determines the efficiency of space heating;
- mounting type - in the brand range there are floor and wall-mounted models;
- burner type - devices natural smoke extraction of combustion products and are equipped with a closed combustion chamber;
- functionality - there is equipment with the possibility of connecting a boiler for hot water supply;
- additional items - Models are equipped with overheat sensors, screens with information about pressure and temperature, remote controls and displays with information about the device operation.
The reliability of products from this brand is confirmed by numerous reviews of buyers. When choosing a boiler, it is worth examining the rating of three popular Navien gas boilers.
Wall-mounted equipment designed for rooms up to 240 square meters. 
Features high capacity.
Can be used to supply hot water to 2 points. Made in a compact casing.
Equipped with corrosion resistant heat exchanger.
Heats water up to 13.8 l / min at a temperature of 30 - 60 ° C.
The temperature in the heating circuit is up to 8 degrees at a pressure of 3 bar. Efficient use of resources: consumes 2.58 cubic meters of natural gas per hour.
The use of liquefied fuel is possible. Products of combustion leave through coaxial 60/100 mm chimney.
Characteristics:
- Power - 9 - 24 kW;
- Gas consumption: natural - 2.58 cubic meters/hour, liquefied - 2.15 cubic meters/hour;
- the temperature of the heat-carrier - 40 - 80 °С;
- dimensions - 44х69.5х26.5 cm;
- weight - 28 kg.
Advantages of
- low price
- remote control;
- fast heating;
- rws organization.
Disadvantages
- Pressure increase to a critical level;
- Not suitable for heating systems with antifreeze.
Unit for heating properties up to 240.0 sqm and DHW. Equipped with 
Separate heat exchangers, which is an advantage when the water is hard.
Works from a network 220 V. For stable operation it is recommended to install a stabilizer.
The model is equipped with a closed combustion chamber for chimney 60/100. It is controlled by means of a remote control.
Consumption is 2.58 cubic meters of gas per hour. The boiler efficiency is 90.5 %. The gas pressure does not exceed 25 mbar. At 25°C 13.8 litres per minute are delivered.
Characteristics:
- power - 9 - 24 kW;
- Gas flow rate: natural - 2.58 cubic meters/hour, liquefied - 2.15 cubic meters/hour;
- temperature of the heat-carrier - 40 - 80 °С;
- dimensions - 44х69.5х26.5 cm;
- weight - 28 kg.
Advantages of
- reasonable price
- compact dimensions;
- convenient settings;
- control with the remote control.
Disadvantages
- noisy operation;
- flimsy fastening on the valve.
Unit with an open combustion chamber, suitable for heating residential and 
production facilities.
An additional function is to provide hot water. Thanks to the output of 24 kW, it takes a minimum of time to heat a room.
Fuel consumption is economical at 2.47 cubic meters per hour and the pressure does not exceed 18 mbar. Up to 13 litres of water can be delivered per minute.
The volume is enough for 2 points. The efficiency of the device is 86%, which guarantees its efficiency.
For safe operation, an overheat protection system and gas control are provided.
Characteristics:
- power - 9 - 24 kW
- Gas flow rate: natural - 2.47 cubic meters per hour, liquefied - 2.15 cubic meters per hour;
- temperature of the heat-carrier - 40 - 80 °С;
- dimensions - 43х72х32 cm;
- weight - 27 kg.
Advantages of
- easy installation;
- convenient settings;
- high quality;
- functionality.
Cons
- weak control board;
- uneven temperature in the DHW office.
Two-circuit gas boiler not only heats the house, but also heats the water. The option is suitable in the absence of the possibility of connection to the centralized water supply. The rating presents the best models of this type according to consumers.
Practical and reliable device for heating properties up to 160.0 sq. m.. 
Connected to 220 V mains.
Equipped with a closed combustion chamber. With a capacity of 16 kW perfectly copes with its task.
The advantage is the economical fuel consumption - 1.72 cubic meters / hour. The maximum heat load of the model is 24 kW.
The coolant is heated up to 80 ° C. Productivity of hot water depends on the temperature: 25 ° C - 13.8 l / min, 40 ° C - 8.6 l / min.
Characteristics:
- output - 8 - 16 kW;
- Gas consumption: natural - 1.72 cubic m/h, liquefied - 1.43 cubic m/h;
- temperature of the heat-carrier - 40 - 80 °С;
- dimensions - 40x66.5x25.5 cm;
- weight - 28 kg.
Advantages
- beautiful design;
- quality parts;
- external control;
- easy maintenance.
Cons
- noisy operation;
- the remote control breaks down quickly.
Universal equipment for industrial and residential objects. Effective for 
The heating of the premises up to 400.0 square meters. m. and for the organization of DHW. Weights up to 30 kg for minimum setup time.
Is connected to the electric network 220 V. Efficiency is 91.5%. Consumed per hour is 4.39 cubic meters of natural gas and 3.58 kg of liquefied fuel.
Nominal gas pressure is 10 - 25 mbar. Up to 22.9 litres of 25°C water can be provided per minute at up to 8 bar.
Characteristics:
- Output - 14 - 40 kW;
- Gas flow rate: natural - 4.39 cubic meters/hour, liquefied - 3.58 kg/hour;
- temperature of the heat-carrier - 40 - 80 °С;
- dimensions - 44х69.5х26.5 cm;
- weight - 30 kg.
Advantages of
- inexpensive
- suitable for private homes;
- quickly heats the room.
Disadvantages
- high fuel consumption;
- noisy operation.
Heating boiler with anti-freeze and heat protection, gas control and other 
Other sensors, ensuring a safe operation..
Connects to 220V network. It is possible to use hot water at low pressure.
Power of 16 kW provides the efficiency of the equipment in the premises of 160 sq.m.. The efficiency of the model is 91.2 %.
The water in the heating medium is heated to 80 degrees within one hour. Consumption of gas depends on the type of fuel: natural - 1.72 cubic meters/hour, liquefied - 1.43 kg/hour.
Characteristics:
- Power - 9 - 16 kW;
- Gas consumption: natural - 1.72 cub. m/hour, liquefied - 1.43 kg/hour;
- temperature of the heat-carrier - 40 - 80 °С;
- dimensions - 44х69.5х26.5 cm;
- weight - 28 kg.
Advantages of
- high-quality assembly;
- compactness;
- stable operation in case of power outages;
- fast heating of the room.
Cons
- noisy;
- it is not possible to connect an external control.
In small rooms, you can install a wall boiler. It comes in single-circuit and double-circuit, which allows you to choose a model according to your needs. The rating presents heating equipment with the best characteristics.
Heating boiler with a gas burner, equipped with two offices. Has a capacity of 13. 
kW, which makes it effective in rooms up to 130 square meters. The efficiency of the device is 91.2 %.
It is controlled by means of a remote control. Information about the operation is shown on the display. Fuel consumption is 1.4 cubic meters/hour.
The fuel pressure is up to 25 mbar.
The combustion products are discharged through a 60/100 mm coaxial chimney. Hot water output depends on the temperature: 25°C - 13.8 l/min, 40°C - 8.6 l/min.
Characteristics:
- output - 8 - 13 kW
- Gas consumption: natural gas - 1.4 cu. m/hour, liquefied - 1.16 kg/hour;
- temperature of the heat-carrier - 40 - 80 °С;
- dimensions - 40х65.5х25.5 cm;
- weight - 26 kg.
Advantages of
- compactness
- robust housing;
- convenient operation;
- high performance.
Cons
- flimsy O-rings;
- loud noise.
Boiler with a sealed combustion chamber and simulated turbo blower system, which 
low fuel consumption.
Only 1.4 m³ natural gas and 1.16 kg LPG per hour.
The unit is connected to 220V, protected by a system of protection against power outages and protection against freezing in case of water temperature drops below 10 ° C.
Power 13 kW provides quick heating of small rooms. It is possible to install an 8 l boiler. At 25°C, the water flow rate is 11.5 liters per minute.
Characteristics:
- power - 7 - 13 kW;
- Gas consumption: natural gas - 1.4 cubic meters/hour, liquefied gas - 1.16 kg/hour;
- coolant temperature - 40 - 80 ° C;
- dimensions - 45x69.5x26.5 cm;
- weight - 28 kg.
Advantages of
- reasonable price
- effective work;
- control with the remote control;
- the organization of DHW.
Disadvantages
- Pressure increase to a critical point;
- Difficulties in finding the original spare parts.
The equipment is universal, since suitable for residential and industrial premises with 
Area up to 240 sq. m..
Equipped with frost protection and overheating, as well as gas control. The efficiency of the model is 91.4%, which confirms its efficiency.
The boiler consumes 2.58 cubic meters of fuel per hour. Products of combustion are removed through the coaxial 60/100 mm chimney.
Water flow rate at 40 degrees is 8.6 l/minute.
Characteristics:
- Power - 8 - 24 kW;
- Gas flow rate: natural - 2.58 cubic meters/hour, liquefied - 2.15 kg/hour;
- temperature of the heat-carrier - 40 - 80 °С;
- dimensions - 40х65.5х25.5 cm;
- weight - 26 kg.
Advantages
- compactness;
- quiet operation;
- remote control;
- inexpensive.
Disadvantages
- short cord;
- the display is not illuminated.
Floor standing boiler - the best option for heating a room from 80 to 800 square meters. In this case, the fuel consumption of such equipment is economical. The rating presents the best models according to buyers.
High-performance model for heating rooms up to 350 square meters.. 
Equipped with a closed combustion chamber of spent fuel.
Has got an efficiency of 91.4%. Equipped with safety sensors, including gas control.
Controlled by remote control.. Will consume 3.34 cubic meters of fuel per hour. Heat carriers are heated in a short time up to 85 ° C.
Productivity of hot water is 12.5 l / min at a temperature of 40 ° C.
Characteristics:
- power - 35 kW;
- Gas consumption: natural - 3.34 cu. m/hour, liquefied - 2.94 kg/hour;
- temperature of the heat-carrier - 40 - 85 °С;
- dimensions - 40.2х85.6х63.1 cm;
- weight - 26 kg.
Advantages of
- beautiful design
- remote control;
- rapid heating;
- rugged housing.
Cons
- fouling on the heat exchanger;
- noisy.
Multifunctional model for home heating and hot water supply. 
The boiler is connected to the network 220 V.
In an hour consumes 5.5 cubic meters of fuel. Suitable for administrative and industrial facilities, because the ability in a short time to heat a room with an area up to 490 square meters.
Gas pressure less than 25 mbar.. The temperature of the coolant is 40 - 85 ° C and the water output - up to 28.1 liters per minute. Operation is simple by means of a remote control.
Safety of operation is ensured by sensors against overheating and freezing.
Characteristics:
- power - 49 kW;
- Gas flow rate: natural - 5.5 cubic meters per hour;
- temperature of the heat-carrier - 40 - 85 °С;
- dimensions - 49.1x90.6x76.4 cm;
- weight - 84 kg.
Advantages
- low price;
- remote control;
- high power.
Cons
- heavy;
- noisy.
Powerful equipment for heating rooms up to 600 square meters. 
Made of stainless steel and equipped with quality heat exchangers, which guarantees a long service life.
The coefficient of efficiency is 90%.
In an hour the boiler consumes 6.5 cubic meters of natural gas.
The use of liquefied fuel is not provided. The coolant is heated to 85 ° C. Productivity of hot water is high - up to 34.4 liters per minute.
Characteristics:
- power - 60 kW;
- gas flow rate: natural - 6.5 cubic meters / hour;
- temperature of the heat-carrier - 40 - 85 °С;
- dimensions - 49.1х90.6х76.4 cm;
- weight - 94 kg.
Advantages of
- high-quality materials;
- easy operation;
- copes well with its task.
Cons
- it is impossible to connect the expansion tank;
- quickly cools down in case of power outage.
Boilers from brand Navien are classified according to the following characteristics:
- Number of loops. Circuit are designed for heating the premises. They are installed when it is possible to connect to the centralized water supply system. Two-circuit is designed to provide DHW and simultaneous heating of the facilities.
- Type of installation. Boilers are installed on the floor and on the wall. The difference between them on power and dimensions. Floor standing are used for heating large areas.
- Chamber design. In models with open chambers, combustion is carried out with the intake of air, so quality ventilation is required. In devices with a closed chamber, combustion products are removed outside by forced ventilation.
How to choose the power of the gas boiler
If the thermal capacity of the equipment is 20 kW, then it is effective for heating premises up to 200 m2.
It is worth taking into account the need to connect the DHW. In this case it is necessary to increase the figure by about 30%.
Customer reviews
Helpful video
From the video you will get an overview of the Navien gas boiler:
