Do you need a plumber in Hemel Hempstead? At Gas Tech Heating we’re a friendly, approachable team of experienced plumbers and Gas Safe registered engineers. As an independent, family-run company we have a proven commitment to our local community. We also take pride in our systems and process, making your experience with us efficient and streamlined. Plumber, Gas Engineer, Central Heating Service Mon-Fri: 09:00 – 18:00 Sat: 09:00 – 15:00