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gas boiler / residential
gas boiler
INFINITY® 96 : 59TN6

Power: 60,000 BTU/h - 120,000 BTU/h

Backed by the intelligent Infinity control and a variable-speed blower, this furnace will run in low stage up to 90% of the time. Longer, low-stage run times give you better energy efficiency, better temperature control and increased ...

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CARRIER
gas boiler / residential
gas boiler
INFINITY® 80 : 58CVA

Power: 66,000 BTU/h - 154,000 BTU/h

Southern climates with short, mild winters may not call for the highest degree of efficiency. As part of an Infinity communicating system, you can pair this model with a high-efficiency heat pump or air conditioner. It's the best choice ...

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CARRIER
gas boiler / residential
gas boiler
PERFORMANCE™ 96 : 59TP6

Power: 40,000 BTU/h - 120,000 BTU/h

Supported by the Performance Edge® thermostat and a variable-speed blower motor, this furnace will run in low stage up to 90% of the time. Longer, low-stage run times give you better energy efficiency, better temperature control and increased ...

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CARRIER
gas boiler / wood / fuel oil / multi-fuel
gas boiler
TURBO G3 2S

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UNICAL AG S.p.A.
gas boiler / wall-mounted / residential / condensing
gas boiler
HYDROMOTRIX VISIO®

Power: 14,000 W - 45,000 W

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FRISQUET
gas boiler / wall-mounted / residential / commercial
gas boiler
HYDROCONFORT VISIO®

Power: 14,000, 20,000 W

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FRISQUET
gas boiler / residential / commercial / condensing
gas boiler
PRESTIGE VISIO®

Power: 14,000 W - 45,000 W

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FRISQUET
gas boiler / wall-mounted / commercial
gas boiler
UPSILON

... Upsilon series consists of 3 boilers: UB 70, UB 110 and UB 140. All the boilers in the Upsilon series are fitted with an electronic control which optimises the performance by infinitely modulating. These ...

gas boiler / wall-mounted / residential / commercial
gas boiler
EPSILON

The Epsilon is a series of 2 boilers: the EB 40 and the EB 50. These are the smallest units in the A.O. Smith heating product-line. The Epsilon is a high efficiency condensing boiler with low carbon emission ...

gas boiler / wall-mounted / residential / condensing
gas boiler
SERIES PBC™

The NEW Series PBC™ gas-fired, combination boiler is a 95% efficient condensing heating boiler that also offers domestic hot water production. Available in three sizes for natural or ...

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Peerless Boilers
fuel oil boiler / gas / commercial
fuel oil boiler
SERIES CC™

... ™ cast iron steam or hot water commercial boiler features an efficient power burner that is capable of firing gas, oil or combination gas/oil configurations with thermal efficiencies ...

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Peerless Boilers
gas boiler / commercial / condensing
gas boiler
PUREFIRE®

... Peerless® PureFire® commercial product line features gas-fired stainless steel condensing boilers with inputs of 399 to 1.5 M MBH and thermal efficiencies of up to 96.6%. These cascade-ready boilers ...

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Peerless Boilers
gas boiler / wall-mounted / residential / with water heater
gas boiler
CGS-2L

Power: 14, 19, 24 kW

The CGS-2L gas condensing centre offers you the highest level of convenience for heating and a central DHW supply. This floor-standing appliance has an integral water cylinder and is ideal for detached or two-family houses. The ...

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WOLF
gas boiler / residential / with water heater / condensing
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
solar boiler / gas / residential / with water heater
solar boiler
CSZ-2R

Power: 14 kW - 24 kW

... access to all components for convenient operation and quick, time saving service Energy saving thanks to solar boiler stop, i.e. the boiler switches off when sufficient solar heat is available Equipped ...

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WOLF
gas boiler / industrial
gas boiler
ECOFLEX

Power: 252, 294, 210, 168 kW

The Mark ECOFLEX is a very compact and sustainable high-efficiency boiler for industrial use. Available in the following capacities: 168 kW, 210 kW, 252 kW and 294 kW. The ECOFLEX is suitable to heat offices, garages, ...

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mark Climate Technology
gas boiler / industrial
gas boiler
POWERFLEX

Power: 600, 510, 425, 340 kW

The Mark POWERFLEX is a very compact and sustainable high-efficiency boiler for industrial use. Available in capacities from 340 kW to 600 kW. The POWERFLEX is suitable to heat offices, garages, warehouses, apartment ...

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mark Climate Technology
gas boiler / industrial
gas boiler
MEGAFLEX

Power: 850, 1,020 kW

The Mark MEGAFLEX is a very compact and sustainable high-efficiency boiler for industrial use. Available in capacities of 850 kW and 1020 kW. The MEGAFLEX is suitable to heat offices, garages, warehouses, apartment ...

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mark Climate Technology
gas boiler / residential
gas boiler
EVOLVE C

Power: 18 kW - 42 kW

... knowledge into one superior, cutting-edge boiler range. The evolve family comprises of both combi and system boilers, with a variety of outputs to suit every home’s requirements. A feature rich, state-of-the-art ...

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Vokèra
gas boiler / residential
gas boiler
EVOLVE S

Power: 18 kW - 42 kW

... knowledge into one superior, cutting-edge boiler range. The evolve family comprises of both combi and system boilers, with a variety of outputs to suit every home’s requirements. A feature rich, state-of-the-art ...

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Vokèra
gas boiler / residential / condensing
gas boiler
LINEA ONE

Power: 38 kW

The Linea One combi boiler is the latest advancement in condensing gas boiler technology from Vokèra. The Linea One has one of the lowest emissions ratings in its field and boasts one ...

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Vokèra
gas boiler / residential
gas boiler
GWB8-IE

Made tough, to deliver reliable warmth The GWB8-IE includes extra attention to durability, with features like a cast-iron heat exchanger and corrosion-resistant titanium burners. Thick fiberglass insulation adds to energy efficiency, ...

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Lennox
gas boiler / residential
gas boiler
GWB8-E

... The GWB8-E offers an efficiency of up to 83.9% AFUE, meaning it can deliver significant energy savings compared to an older boiler. That means you can enjoy a comfortably warm home all throughout the winter, without worrying ...

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Lennox
gas boiler / residential / commercial
gas boiler
EL296V/EL296E

Power: 44,000 BTU/h - 132,000 BTU/h

44,000-132,000 Btuh 33" design profile 2-stage gas heating for improved comfort control Upflow/horizontal and dedicated downflow models configurations Power-saving constant-torque motor (EL296E only) Expanded venting ...

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Lennox
gas boiler / wall-mounted / residential / outdoor
gas boiler
NEBULA ECO

... exchanger; 24 and 32 kW Output; Modulation range 1:9 Modulating gas valve with constant air-to-gas ratio; Adjustable maximum heating output; Room temperature can be set from the boiler ...

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Bongioanni Caldaie
gas boiler / wall-mounted / residential / condensing
gas boiler
RAYA ECO

... exchanger; 24, 28 and 32 kW Output; Modulation range 1:9 Modulating gas valve with constant air-to-gas ratio; Adjustable maximum heating output; Room temperature can be set from the boiler ...

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Bongioanni Caldaie
gas boiler / wall-mounted / residential / condensing
gas boiler
XINA ECO

... Output; Modulation range 1:9 Modulating gas valve with constant air-to-gas ratio; Adjustable maximum heating output; Room temperature can be set from the boiler if an external probe ...

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Bongioanni Caldaie
gas boiler / wall-mounted / residential
gas boiler
GBA 24G01 SN21

High-tech combinet applicance Hot water for heating and domestic purposes Easy and intuitive control Built-in programmer Continuous electronic modulation of flame Economic and highly efficient operation Built-in protection system compliant ...

gas boiler / wall-mounted / residential / condensing
gas boiler
EXCLUSIVE GREEN HE

■ EXCLUSIVE GREEN HE is Beretta top of the range condensing appliance and one of the most energy efficient boilers available on the market. ■ Low Energy, A-Class, synchronous pump (EEI ≤ 0.23), PWM controlled (6 metres) ...

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Beretta
gas boiler / wall-mounted / residential / condensing
gas boiler
CIAO GREEN

■ 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 anywhere in the ...

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Beretta
gas boiler / wall-mounted / residential / condensing
gas boiler
EXCLUSIVE GREEN

... advanced boiler control to suit any installation • Direct management second heating circuit at different temperature • Expansion vessels: 10 lt on heating and 2 lt on DHW • IPX5D electrical protection. • Hydraulic ...

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Beretta
gas boiler / residential / condensing / micro CHP
gas boiler

... simply touching the screen. The waste gas heating heat exchanger makes an important contribution to the high level of overall efficiency. It also allows the heat of the condensed steam contained in the waste gas ...

gas boiler / commercial / waste heat
gas boiler
SELF-FIRED

The conventional fired boiler generates thermal heat or process heat while simultaneously utilising the heat potential from waste heat sources. These hot water and steam boilers are conventionally-fired ...

gas boiler / industrial / waste heat
gas boiler
HRSB

The heat recovery boiler uses accumulated flue gas heat to generate process steam. Used in conjunction with a combined heat and power unit, the heat recovery steam boiler HRSB can play ...

gas boiler / wall-mounted / residential / condensing
gas boiler
VITODENS 050-W

Power: 5,900 W - 35,000 W

Vitodens 050-W boilers, now come with a standard 7 year warranty when fitted by a Viessmann Trained Installer. This promotion is for boilers installed between 1st September 2016 and the 31st December ...

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VIESSMANN
gas boiler / residential
gas boiler
INFINITY® 96 59TN6

Power: 60,000 BTU/h - 120,000 BTU/h

Backed by the intelligent Infinity control and a variable-speed blower, this furnace will run in low stage up to 90% of the time. Longer, low-stage run times give you better energy efficiency, better temperature control and increased ...

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CARRIER commercial
gas boiler / wall-mounted / residential / condensing
gas boiler
VICTRIX 24 TT 2 ERP

Power: 20,500 W

... heat output: 23,3 kW DHW and 20,5 kW central heating. With VICTRIX 24 TT 2 ErP – the boiler that symbolizes Immergas 50° anniversary – starts a new generation of boilers for new installations and especially ...

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immergas
gas boiler / wood / fuel oil / multi-fuel
gas boiler
TERNA S 27

The double firebox boiler TERNA S and the double firebox +boiler tube TERNA B, are a logical addition to the heating system. The firebox of the TERNA S model is identical to the one installed in SIRIO ...

gas boiler / wall-mounted / residential / condensing
gas boiler
GB 162

The compact 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
gas boiler / wall-mounted / residential / condensing
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 / solar / residential / condensing
gas boiler
HELIOTWIN CONDENS

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Saunier Duval
gas boiler / wall-mounted / residential / condensing
gas boiler
CLAS HE EVO

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

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Ariston
gas boiler / residential / condensing
gas boiler
QUADRIFOGLIO B

... modular installation. As a standard on each boiler. Range rated certified boiler: adaption of boiler max eating output to real max load, thus keeping high operational efficiency Wide ...

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FERROLI
gas boiler / fuel oil / multi-fuel / residential
gas boiler
DELTA PRO S

... application boiler of the indirect accumulation Tank-in-Tank type. Body completely insulated in rigid polyurethane foam The multi-energy DELTA PRO S can be delivered with the burner of your choice: the BG 2000-S/25 ...

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ACV
gas boiler / wall-mounted / residential / low-temperature
gas boiler
ACLÉIS

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ELM LEBLANC
gas boiler / wall-mounted / commercial / condensing
gas boiler
THISION L

... 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

How to choose this product

gas-boiler

A gas boiler uses natural gas, propane (LPG) or butane to fire a hot-water heating system. Some also provide hot tap water.

Technologies

Standard boilers heat water to 90° C, while low-temperature models heat to only 40° C. Commercial installations feature high-temperature boilers for steam heating. Condensing boilers are very efficient, offering energy savings to 30%. They use condensed steam recovered from flue gases to heat the cold water on the return side of the system.

How to choose

Choice will depend on boiler capacity and installation configuration (wall, floor, built-in). City gas is the preferred fuel option, offering ease of installation, low cost and efficacy. Propane (LPG) requires tank storage and is more expensive. Low-temperature and condensing models are more economical and environmentally friendly.

Advantages

- Energy savings
- Easy maintenance

Disadvantages

- Uses non-renewable energy
- Produces CO2 emissions