Log in Forgot your password? COMPANYGEOTHERMIAPROCESSPRODUCTSACHIEVEMENTSCONTACT THE HEAT PUMP EQUIPPED WITH EXCLUSIVE COAXIAL EXCHANGERS Lemasson is a tailor-made heat pump manufacturer. We listen to your project to define, design and manufacture a heat pump adapted to your needs. Geothermal energy remains the most efficient heating system, lemasson heat pumps allow you to reap all the benefits such as: "performance, reliability and robustness". News See all the news Project sheet: Submerged sensor Submerged Sensor The project sheet corresponding to the submerged sensor carried out in Le Havre is ... Products Coaxial tubular exchanger Endur'eau + Gm industrial Technology Complementary products Achievements Residential Tertiary Agricultural Industrial Contact Company Historical Design office Workshop Network Training Quality Process Air conditioner Free water cooling Energy transfer Industrial process Pool heating Geothermal energy Principle Energy recovery Aquathermy Geosolar trenched Geothermal probes Submerged catchment Specific catchments Legal Notice