CALSEN, Olsztyn, Poland. Jesteśmy Calsen - specjalistyczne przedsiębiorstwo zajmujące się pompami ciepła i energetyką odnawialną.
CALSEN is a Solar Installer and Solar EPC Contractor based in Olsztyn, Poland. It is listed under Solar Installation / EPC in the SolarXList directory. Contact details on file include a website, a phone number and an email address. This listing is verified — a verification record from June 17, 2026 backs its Verified badge.
