When we quote for plumbing or gas fitting work, the emphasis is always on the quality of work, although we do offer a value-for-money-service. We always use quality materials and will never use cheap materials to try and undercut another quote. Heating Services A P B Plumbing and Heating will tailor your central heating system to ensure that you will have the most efficient system, to suit your needs, at the right cost. Personal yet professional central heating installation. Today’s systems can save you a lot of money by new controls and expertise of design. However, this can only be achieved by heating installers who have kept up with rapid progress in recent years and who have the experience and know how to apply these new and more involved techniques.