Once we’ve carried out your free assessment, we’ll send you a quote outlining everything you need to get your a+ rated boiler installed at this point, you can accept or decline the quote. Altrol heating, cooling, & plumbing is your first choice for. Worcester-bosch, baxi, vaillant, ferroli, glowworm, ideal, potterton, ravenheat and vokera we offer a / callout for boiler repair in york! An innovative solution for reducing system contaminants. Questions?.