Condensing boilers

35 companies | 259 products
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gas boiler
gas boiler
COMFORT™ 95

... are ENERGY STAR® certified. Up to 96.5% AFUE for premium energy savings with standard comfort features. The Comfort™ 95 condensing gas furnace delivers on energy efficiency, achieving 96.5% AFUE. The ECM blower motor ...

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CARRIER
solar boiler
solar boiler
MAGIS VICTRIX ERP

Power: 23.6, 26 kW
Height: 945 mm

... thermal configuration Wall-hung, condensing, combi boiler, suitable for hybrid systems. Nominal heat output : 26 kW DHW and 23,6 kW central heating. MAGIS VICTRIX ErP is an excellent wall-hung, condensing, ...

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immergas
gas boiler
gas boiler
ECOTEC PLUS 415

Wide modulation range of up to 1:6 Highly efficient and economical to run Push fit flue system ErP rated A Push button programming

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VAILLANT
gas boiler
gas boiler
ÉGALIS

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ELM LEBLANC
gas boiler
gas boiler
MÉGALIS

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ELM LEBLANC
gas boiler
gas boiler
STELLIS

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ELM LEBLANC
gas boiler
gas boiler
CIAO GREEN SERIES

Power: 20, 24 kW

■ On ErP boilers: Low Energy, A-Class, synchronous pump EEI ≤ 0.20. ■ A cost-conscious condensing boiler with compact dimensions and low lift weight, enabling a flexible installation ...

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Beretta
gas boiler
gas boiler
CLAS HE EVO SERIES

Power: 21.5, 27.3, 30.2 kW

EXCEPTIONAL PERFORMANCE AND ADVANCED QUALITY FROM OUR HIGH-EFFICIENCY COMBI. 24 30 38 This high efficiency COMBI boiler combines the performance, quality and reliability you’d expect from Ariston. Stylish and ...

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Ariston
pellet boiler
pellet boiler
NANO-PK PLUS

Power: 6 kW - 32 kW
Height: 1,350, 1,550 mm

... being brought below the condensing level and is condensing again. The resulting condensation heat and reduction the exhaust gas temperature is from condensing technology used to increase ...

gas boiler
gas boiler
HYDROCONFORT CONDENSATION VISIO® 20.50

Power: 20 kW

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FRISQUET
gas boiler
gas boiler
HYDROCONFORT CONDENSATION VISIO® 20.80 et 20.120

Power: 20 kW

... Visio® (ŋ 3%) Compatible with Frisquet Connect Upmarket product in an optimised space Everything has been done with this boiler to optimise energy savings for all operating ranges, and meet the daily hot water needs ...

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FRISQUET
gas boiler
gas boiler
HYDROCONFORT SOLAIRE CONDENSATION VISIO®

Power: 20 kW

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FRISQUET
gas boiler
gas boiler
NEBULA ECO

External Wall Mounted condensing premix boiler with instantaneous production of hot water, sealed chamber Main Characteristics: Efficiency class (92/42/EEC directive) Class 5 NOx; Polypropylene ...

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Bongioanni Caldaie
gas boiler
gas boiler
MIRA C GREEN

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CHAFFOTEAUX
gas boiler
gas boiler
ITACA KC series

Power: 24.9, 27.9, 32.3 kW

Itaca KC is a wall-hung condensing boiler with pre-mixing feature and with sealed chamber, for the instant production of domestic hot water. The boiler features a "DHW comfort" function ...

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Fondital
gas boiler
gas boiler
PEGA 25

... conditions with exetrnal sensor -Supporting Open Therm -Exhaust gas sided standart connection 80/125 -Legionella protection in boiler operation

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Hansa Öl- und Gasbrenner GmbH
gas boiler
gas boiler
LUNA PLATINUM: 24KW - 33KW

... regulation knob, menu selection buttons and back-lighting; supplied with the boiler Wide modulation ratio up to 1÷10: better efficiency thanks to reduced switch-on/switch-off of the boiler Gas Adaptive ...

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BAXI
gas boiler
gas boiler
GB 162

... dimensions and light weight wall mounted boilers in the GB162 range provide an innovative solution where space is limited. The GB162 is available in 65, 80 and 100kW outputs Features and benefits Condensing ...

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Buderus
pellet boiler
pellet boiler
PE1C

Power: 4.5 kW - 22 kW

WORLD FIRST - Condensing boiler with optional integrated electrostatic percipitator Pellet fuelled condensing boiler PE1c Pellet The newly developed PE1c pellet-fuelled ...

gas boiler
gas boiler
CGW-2L

Power: 24 kW

The CGW-2L gas condensing centre heats your living space and always supplies you with enough hot water thanks to its integral stratification cylinder. As a wall mounted boiler, it does not take up too ...

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WOLF
gas boiler
gas boiler
CGS-2R

Power: 14 kW - 24 kW

The CGS-2R is an efficient heating system to have if you live in an area with very hard water. The appliance is equipped with a cylinder with an internal indirect coil which is particularly suitable for this situation, as it reduces the ...

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WOLF
gas boiler
gas boiler
CGU-2K

Power: 18 kW - 24 kW

... AND CONVENTIONAL SOLUTION WHEN REPLACING A BOILER. Is the conventional wall mounted boiler in your apartment or apartment block due for replacement? But is a complete upgrade with high quality condensing ...

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WOLF
gas boiler
gas boiler
THELIA

Power: 5 kW - 25 kW

... discreet Easy access for maintenance Thelia Condens F25 - F30 AS F25 : condensation wall-hung boiler The Thelia Condens is a very compact condensation gas boiler with a depth of 30 cm. It can be ...

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Saunier Duval
fuel oil boiler
fuel oil boiler
ESSENCIO

Power: 18.3 kW - 48.2 kW

Compact condensing boiler with integrated fuel oil jet burners HIGH PERFORMANCE FUEL OIL BOILERS The Essencio Condens range of boilers brings you great comfort in ...

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DE DIETRICH
gas boiler
gas boiler
ALHENA

Power: 4.1 kW - 34.8 kW
Water heater capacity: 2.9, 4.3 l

- Boiler with single-circuit stainless steel primary exchanger without joints and/or welding, it maintains high efficiency even in old systems - MC2: Multi Combustion Control, new combustion system with industrial-derived ...

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LAMBORGHINI CALOR SPA
pellet boiler
pellet boiler
HYDRO: INTEGRA 28

Completely steel covered Automatic grate cleaning system Stainless steel burner Ash compactor Touch screen display No touch system: minimal maintenance

pellet boiler
pellet boiler
PELLEMATIC CONDENS

Power: 10 kW - 18 kW

The Pellematic Condens condensing boiler sets new standards. With its pioneering Condens technology, the boiler makes it possible to use condensing technology in any ...

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ÖkoFEN
fuel oil boiler
fuel oil boiler
BNE 2 CONDENS

Power: 0 kW - 23.1 kW

Oil fired condensing boiler with DHW production. Constructive characteristics Capacity (total) - 186 - L Capacity (primary) - 66 - L Capacity (domestic hot water) - 120 - L Capacity expansion tank(s) ...

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ACV
gas boiler
gas boiler
UNIK B

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UNICAL AG S.p.A.
gas boiler
gas boiler
THISION L

Power: 10 kW - 145 kW

... THISION L wall mounted boilers set new standards in gas fired condensing boiler reliability, performance and design features. Key Features Corrosion-resistant stainless steel heat ...

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ELCO
gas boiler
gas boiler
TOPGAS®

... wall-mounted boilers offer compact and advanced gas heating technology built to the high quality standards of Hoval. Due to the condensation technology the TopGas boiler is approximately 15 % more efficient ...

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Hoval Italia
How to choose this product
condensing-boiler

A condensing boiler uses the flue gases and steam it produces to preheat incoming cold water, thus reducing fuel consumption. Conventional boilers eliminate this slightly-acidic steam to avoid corrosion.

Technologies

Initial operation of these units is similar to ordinary boilers. A fuel is burned to heat water, which then circulates through a system of pipes and radiators for space heating. However, condensing boilers use their flue gases and condensation of the water vapor therein to preheat the cooled return water before another heating cycle. This can produce energy savings of up to 30%.

How to choose

Choice will depend on capacity, intended use (space heating, hot water) and installation type (wall-mounted, freestanding). Another factor is fuel type. Gas is the most common, but some burn oil or wood pellets. These last are less expensive and more ecological, but require storage space and regular restocking. Gas and oil are easier to use, but are more expensive and polluting.

Advantages

- High efficiency
- Lower fuel consumption
- Less environmental contamination