Ozolnieki Secondary School Name: Ozolnieki secondary school heating, ventilation and heating unit (Ozolnieki)Address: 35 jelgavas Street, Ozolnieki, Jelgava region, LV-3018Documentation: design of new heating, ventilation and climate control systems. Development of the existing heating unit redevelopment project Request a service Request a Consultation Sign up for a free consultation, and our experts will get in touch with you! Contacts