Founder & Lead Engineer Mark Dearden With over 40 years of hands-on experience in the heating and plumbing industry, Mark Dearden is a highly respected Gas Safe registered engineer based in North London. Starting his career in the 1980s, Mark has built a reputation for delivering excellent workmanship – whether embracing the latest cutting-edge technologies like air source heat pumps or executing traditional gas boiler setups with precision and care. His unwavering commitment, combined with a reliable and skilled support team, consistently delivers outstanding levels of customer satisfaction – reflected in great reviews and long-term client relationships.

Arrange a booking Call 07957 300338 Book your FREE quote today Get expert advice, tailored solutions, and a clear, no-obligation quote… Arrange a booking Call 07957 300338 Our partnership with Mitsubishi We are an accredited installer for the new Mitsubishi Ecodan air source heat pumps which are setting new standards for performance and sustainability. Arrange a booking Our partnership with Vaillaint We are an accredited installer for Vaillant’s range of A-rated gas boilers which offer the highest quality, reliability and performance on the market.