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Viessmann Vitodens 100-W Open vent 35kW WB1B review

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Typical price


Viessmann's 100-W heat-only boilers are available in five outputs to cover the needs of different-sized homes, and this is the largest in the range; you will also need room for a cold water tank and separate hot water cylinder. Read our full review to find out whether the Viessmann Vitodens 100-W 35kW is the right boiler for your home, and how satisfied Viessmann owners are with this brand of boiler.
Is it worth your money?
Or is it a waste of cash?
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