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Vaillant ecoTEC Exclusive Green iQ Combi Boilers

With two outputs available, the Vaillant ecoTEC Exclusive Green iQ Combi Boiler ranges between £1,485.00 and £1,750.00 including VAT and excluding installation.

EcoTEC Exclusive Green IQ 835 Combi Gas Boiler

The ecoTEC Exclusive comes in two large outputs of 35kW and 43kW and features extra condense technology to offer extremely high performance and efficiency levels.

The smaller of the two measures 720mm (H) x 440mm (W) x 406mm (D) and has a maximum hot water flow rate of 14.5 litres per minute, and the bigger model has a different depth of 474mm and offers Vaillant’s highest ever flow rate of 17.8.

Designed to supply medium and large homes with heating and hot water, this appliance will set you back anything between £1,425.60 and £1,916.88 depending on your chosen boiler output. You’ll be given a standard 5-year warranty but have the option to upgrade to a free 7-year warranty as long as the boiler is fitted by a Vaillant Advance installer.

Boiler Energy Efficiency Credentials

This combination boiler by Vaillant is 94% efficient and utilises innovative technology to help you manage your gas consumption and reduce your energy bills. It is an ErP A-rated boiler with a wide modulation range of up to 1:10 and a special Green iQ mode, both of which play their part in maximising efficiency levels and keeping your fuel bills low. You can also add Valliant’s vSMART heating control to the ecoTEC Exclusive to enable this combi to achieve an A+ ErP rating, as well as give yourself the power to control the boiler from your smartphone and other smart devices.

ecoTEC Exclusive Green iQ Combi Technology and Main Advantages

Valliant’s ecoTEC Exclusive features a clear digital display to make boiler management and choosing the right temperature super easy. It also comes with user-friendly controls, all of which are hidden behind a down flap to ensure young children can’t get their hands on buttons and dials.

The boiler has an impressive modulation of 1:10, meaning it can reduce its output to give you the exact amount of power needed to ensure you never waste energy. Put simply, if you require only 20kW, the boiler will adapt itself accordingly. Then there’s the Green iQ mode that optimises running cycles to help lower gas consumption.

In addition to all of those features and benefits, the boiler can work with LPG (liquefied petroleum gas) where required and has its own extra-condense heat exchanger for greater efficiency, performance and energy savings.

Is the Vaillant ecoTEC Exclusive Green iQ Combi the Right Boiler Type and Size for Your Home?

If you live in a medium or large house with multiple bathrooms and want a boiler that boasts incredible hot water performance, the Vaillant ecoTEC Exclusive is a great option. You don’t even need a cold water storage tank or hot water cylinder with this boiler, making it ideal for homes with limited storage space. And since it has a 1:10 modulation ratio, it’s perfectly suitable for a wide range of property types. Having said that, this boiler won’t be the best solution for some larger homes so don’t forget to ask a Gas Safe engineer to assess your heating and hot water usage habits before purchasing this model.

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MODELTYPE DIMENSIONSMAX FLOW RATOUTPUTEFFICIENCY TYPICAL PRICE
Vaillant Ecotec Exclusive with Green IQ 835CombiH - 720 mm
W - 440 mm
D - 406 mm
14.5 35 KW£ 1,485.00
Vaillant Ecotec Exclusive with Green IQ 843CombiH - 720 mm
W - 440 mm
D - 474 mm
17.8 43 KW£ 1,750.00

KEY FEATURES & BENEFITS

A-rated combi boiler Save money on your gas bills
Staggering modulation range of 1:10Maximises efficiency and lowers energy consumption
Clear backlit displayUser friendly boiler
Green iQ mode Even lower gas consumption
Vaillant’s highest ever flow rate (43kW model) Fast instant hot water
Quiet Mark approvedUltra-quiet whilst in operation
85% of components are recyclableMore climate friendly
5-year parts and labour warrantyConfidence and peace of mind
Free 7-year warranty upgrade when installed by a Vaillant Advance installerExtra peace of mind at no extra cost

Our Honest Opinion of the Vaillant ecoTEC Exclusive Green iQ Combi

Described as Vaillant’s premium combination boiler, the ecoTEC Exclusive offers the ultimate in control, performance and energy efficiency and even has the ability to provide you with the precise level of heat at any given moment. Of course, this means better gas consumption and greater savings on your fuel bills.

If you’re an eco-friendly and energy conscious household, you’ll be pleased to know that most of the boiler parts and materials are recyclable and the appliance boasts smart energy-saving technologies. You can even purchase an extended 10-year warranty with this one if you’d rather be covered for more than 5 years, provided the boiler is installed by a Vaillant Advance engineer.

We really like the ecoTEC Exclusive’s fabulous performance and sustainability credentials and the fact that the boiler carries the Green iQ mark and has been approved by Quiet Mark. It also happens to be the winner of the Housebuilder Products Awards 2018. Although a little on the expensive side, we think this is one of the best combi boilers out there for mid-size and larger homes.

Advice on Boiler Quotes and Gas Safe Engineers

We recommend you obtain fixed price quotes from national and local installers so that you avoid hidden charges and get the best deal on the boiler and fitting costs. Once you’ve found a competitive quote, you must check if your chosen engineer is Gas Safe registered to confirm that they are legally permitted to install gas appliances. So whether you choose the Vaillant ecoTEC Exclusive Green iQ Combi or any other model, always ask to view your installer’s ID card or search the Gas Safe Register website for peace of mind that they are registered and qualified to work on your new boiler.

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