When surveying and monitoring the cause of a mould and condensation issue, do you use relative humidity or dew point as the key determining factor as to why the issues are forming in the specific area? Or both? Relative Humidity above 70% RH is commonly accepted as...
In the social housing market where customers require one fan for the van, an extractor fan needs to be able to achieve a number of criteria and since the change in document F which endorsed the use of dMEV constant running fans all major fan manufacturers have...