Energy Technique PLC is engaged in the manufacturing and distribution of air conditioning and heating solutions for retail and commercial applications, together with related maintenance services. The Company operates in two segments: Diffusion and Central costs. Diffusion segment is engaged in the manufacturing and distribution of fan coils and commercial heating products, together with after sales spares and service from its facility in West Molesey, Surrey. Central costs segment includes costs associated with being a public company and maintaining the AIM quotation on the London Stock Exchange. Its geographical segments include United Kingdom, Europe and Middle East. Its wholly owned subsidiary includes ET Environmental Limited (trading as Diffusion and Energy Technique).