Condensing boilers

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Condensing boilers | Choosing the Right Boiler
If you have an older boiler, upgrading to a more energy-efficient model can significantly reduce your heating costs. Modern boilers incorporate various energy-saving features, such as condensing boilers that recover heat from the exhaust flue. To maximize energy efficiency, it is important to ensure that your building is adequately insulated and that the flow temperature of the heating system is not set higher than necessary. Traditional boiler systems...
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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 ...

gas boiler
gas boiler
HYDROCONFORT CONDENSATION VISIO® 20.50 (avec ballon 50 l)

Power: 20 kW
Water heater capacity: 400 l

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

Power: 20 kW
Water heater capacity: 280, 400 l

... 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
HYDROMOTRIX CONDENSATION VISIO®

Power: 20, 25, 32, 45 kW

... savings and multiple applications. The specificity of the heating Frisquet provides a high-quality hot water even on a condensing boiler: an immediate hot water at a constant temperature. In addition, ...

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FRISQUET
gas boiler
gas boiler
ECOTEC EXCLUSIVE

Power: 35, 43 kW
Length: 440 mm
Width: 474 mm

... smart, too. It’s the only boiler that can adapt itself so it’s always giving you the precise level of heat you need – which means less waste and lower fuel bills. And the ecoTEC exclusive range is our most climate-friendly ...

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VAILLANT
gas boiler
gas boiler
KON1

Power: 24 kW
Length: 450 mm
Width: 345 mm

Décor boiler, condensing, totally premix, Low NOx Class 6, room sealed, wall hung gas boiler, with electronic ignition and modulating pump, for heating and D.H.W. production - IPX4D, ...

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UNICAL AG S.p.A.
gas boiler
gas boiler
KONM

Power: 24 kW - 35 kW
Length: 420 mm
Width: 345 mm

Condensing, totally premix, Low NOx, room sealed, wall hung gas boiler, with electronic ignition and output modulation – Isolation protection degree IPX5D – also for outdoor installation Boiler ...

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UNICAL AG S.p.A.
gas boiler
gas boiler
ALKON 140 EXT

Power: 115 kW - 560 kW
Length: 762 mm
Width: 478 mm

Condensing modular boiler, both for indoor and outdoor installation IP X5D, with double premix Low NOx burner and double heat exchanger in Al/Si/Mg alloy, also for installation in battery Operation ...

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UNICAL AG S.p.A.
pellet boiler
pellet boiler
NANO-PK 6 PLUS

Power: 10.5, 9, 6.6, 12, 15 kW
Length: 1,150 mm
Width: 580 mm

... resulting condensation heat and the reduction of the flue gas temperature are used by condensing technology to increase efficiency to the maximum. With the condensing system, a higher efficiency is achieved ...

pellet boiler
pellet boiler
NANO-PK 20 PLUS

Power: 21.7, 32, 25 kW
Length: 1,350 mm
Width: 700 mm

... Turn the Nano-PK Plus 20–32 kW – including additional condensing heat exchanger – as you wish. Experience the extraordinary heating technology with highest efficiency increase in your own future boiler ...

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
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
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
MIRA C GREEN

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CHAFFOTEAUX
gas boiler
gas boiler
VICTRIX SUPERIOR 26

Power: 25.4 kW
Length: 440 mm
Width: 389 mm

Wall-hung combi condensing boiler with “Aqua Celeris" and magnetic cyclone filter. Single product code to work with methane, LPG or 20% hydrogen blend (gas adaptive technology) 94% seasonal efficiency ...

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immergas
gas boiler
gas boiler
THISION L

Power: 10 kW - 145 kW

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

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ELCO
gas boiler
gas boiler
TRIGON S

Power: 3.8 kW - 43.6 kW

A floor-standing gas-fired condensing boiler Trigon S was developed for individual thermal comfort with minimum energy consumption with individual outputs from 3.8kW to 43.6kW. As per the customer requirement ...

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ELCO
gas boiler
gas boiler
THISION S PLUS

... the classification A + under the Ecodesign and Energy Label Directive (ErP). A proof of the high efficiency of the boiler. condensing boiler reliability, performance and design features. UNBEATABLE ...

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ELCO
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
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
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
gas boiler
gas boiler
CLIMABREEZE

Power: 32, 16, 64.6, 47 kW

CLIMA BREEZE is a heat generator system consisting of a gas-fuelled condensing thermal module to be positioned outdoors in combination with one or more unit heaters to be installed in the room to be heated. CLIMA BREEZE ...

gas boiler
gas boiler
RAGGIO

Power: 2.8 kW - 32.5 kW
Length: 422 mm
Width: 327 mm

... kit remote control Wi-Fi CONNECT controlled via App, hydraulic connection kit (5 pipes, 4 valves), fitting cover casing - Boiler with extra thick stainless steel primary exchanger, with large passes guaranteeing duration ...

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LAMBORGHINI CALOR SPA
condensing boiler
condensing boiler
MÉGALIS ICONDENS

Power: 18 kW - 22 kW
Length: 400 mm
Width: 300 mm

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ELM LEBLANC
gas boiler
gas boiler
TWINEO EGC 25

Power: 25 kW
Length: 600 mm
Height: 850 mm

This very compact, powerful boiler provides a constant temperature in your home, whatever the season. The connection by forced flue or chimney as well as its compact size mean that it can be installed anywhere (box ...

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DE DIETRICH
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
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
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
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
gas boiler
gas boiler
BARI

Power: 24, 28, 35 kW
Length: 400 mm
Width: 330, 390 mm

New wall gas boiler Bari, condensing boiler, with dispay control, for heating and instatneous domestic hot wter production. Available for Natural Gas and LPG. • Heating and instantanous ...

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ZANTIA
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

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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