Guillaume Régis Bonnet

Part of Romande Energie Holding SA, J.M. Lambelet SA is a Swiss company that specializes in providing solar thermal solutions for heating, ventilation, and air conditioning. The company is based in Neuchâtel, Switzerland. The absorbed solar radiation is transformed into heat, which is transferred to a heat transfer fluid and then to the hot water supply through an exchanger. Founded in 1990, the company's experts carefully study the configuration of spaces to offer optimal and customized installations using their two types of solar thermal sensors\: flat sensors and vacuum tube sensors. J.M. Lambelet was acquired by Romande Energie Services SA on January 18, 2021.