Why you should use a registered OFTEC engineer such as AG Heating & Plumbing If you are currently looking for registered and qualified OFTEC Oil Boiler engineers and plumbers who are reliable, efficient and certified then AG Heating & Plumbing are the company for you! We deal with boilers, heating systems, plumbing or bathroom plumbing … Continue reading "All you need to know about OFTEC Registered Oil Boiler Engineers"