HVAC contractor services

Environmental services, namely, technical consultation in the field of environmental science, engineering services, design for others in the field of energy engineering, designing and testing of energy products for others; Environmental services, namely, technical consultation in the field of environmental science, engineering services, design for others in the field of environmental engineering, designing and testing of new environmentally friendly products for others; Environmental testing and inspection services; Testing or research on machines, apparatus and instruments; Testing, analysis and evaluation of the goods and services of others for the purpose of certification