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Condensing gas boilers

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THERM condensing boilers provide technological and economic savings. Compared with gas boilers, they use hidden combustion heat. Condensing boilers are named after the principle of condensing, which is used during operation. Due to this technology, they achieve up to 108% efficiency. Despite their greater efficiency when compared to traditional gas boilers, they consume less energy and harmful substances such as CO and NOX are reduced to the minimum.

Whether looking for a suitable boiler for a new building, a low-energy house or thinking about updating your heating system including the boiler, then THERM boilers are the most suitable products for you. You can replace your old gas boiler with a new, more ecological condensing boiler. The boiler will operate at a lower temperature of heating water, so the room does not overheat.

Condensing boilers with a higher heat output are mostly used in cascade boiler rooms where they are recommended for use in the heating systems in flats and industrial buildings, i.e. in buildings with higher heat losses.

Displaying results 1-9 (of 22)
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THERM 25 KD

THERM 25 KD

Type: wall hung
Heating power: 2.5 ÷ 24.9 kW
Preparing DHW: no
Energetická třída A - pro topení  
THERM 25 KDC

THERM 25 KDC

Type: wall hung
Heating power: 2.5 ÷ 24.9 kW
Preparing DHW: yes
Energetická třída A - pro topení Energetická třída A - pro ohřev TV
THERM 25 KDZ 5

THERM 25 KDZ 5

Type: wall hung
Heating power: 2.5 ÷ 24.9 kW
Preparing DHW: yes
Energetická třída A - pro topení Energetická třída A - pro ohřev TV
THERM 25 KDZ

THERM 25 KDZ

Type: wall hung
Heating power: 2.5 ÷ 24.9 kW
Preparing DHW: yes
Energetická třída A - pro topení  
THERM 24 KDZN 5

THERM 24 KDZN 5

Type: wall hung
Heating power: 4.9 ÷ 20.7 kW
Preparing DHW: yes
Energetická třída A - pro topení Energetická třída A - pro ohřev TV
THERM 24 KDCN

THERM 24 KDCN

Type: wall hung
Heating power: 4.9 ÷ 20.7 kW
Preparing DHW: yes
Energetická třída A - pro topení Energetická třída A - pro ohřev TV
THERM 14 KD.A

THERM 14 KD.A

Type: wall hung
Heating power: 2.4 ÷ 14.6 kW
Preparing DHW: no
Energy rating A - only for heating  
THERM 17 KD.A

THERM 17 KD.A

Type: wall hung
Heating power: 3.5 ÷ 17.0 kW
Preparing DHW: no
Energy rating A - only for heating  
THERM 28 KDC.A

THERM 28 KDC.A

Type: wall hung
Heating power: 6.6 ÷ 28.0 kW
Preparing DHW: yes
Energy rating A - only for heating Energy rating A - for preparing DHW