Your most important choice is who installs and services your plumbing system! The uk is in the grips of the coldest spell in five years this week as a siberian blizzard prepares to sweep the country. How big a plume are you likely to get from the condensate and where is it going to be situated? will it bother the neighbours because of where it is situated? Vaillant also has a large range of heat pumps, solar thermal and renewable heating accessories. Be the first.