viessmann

Viessmann Combi Boiler Hot Water Goes Cold

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If you’re experiencing problems with your Viessmann combi boiler and the hot water is goes cold or lukewarm, before getting hot again, you are not alone. This is a common issue with Viessmann boilers with the main issue being a blockage in the hot water heat exchanger. But there can be a variety of other … Read more

Viessmann Boiler Won’t Turn Off: Causes And Fixes

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The house heating not coming on is usually a more common problem in climates like the UK where the average temperatures are not very high.  But a Viessmann boiler that won’t turn off leaving you sweating in the summer heat can be an issue too, not only affecting comfort but wasted energy and increased fuel bills. … Read more