David Johnston Plumbing & Heating Services are based in the Alloa, Clackmannanshire. David is an experienced, Worcester Accredited Installer and Gas Safe Registered Heating Engineer who is more than capable of handling all types of heating and plumbing jobs, irrespective of the size of the job. It's really important to have your boiler serviced once a year. Having it serviced yearly means you will get the best use of your boiler, saving you money over a period of time. David Johnston Plumbing & Heating offer very competitive rates on annual boiler servicing. Please call David for a free quotation. Whether it’s a blocked drain or leaky tap, to a full house heating system or boiler installation David Johnston has the competence to solve your project requirements.