Indoor Environmental Solution (IES) is an engineering consultancy firm providing consultancy services in the field of Heating, Ventilation, Air-Conditioning (HVAC) , Mechanical & Electrical (MEP). Following services are provided in HVAC & MEP field: * Planning & Preparation of HVAC & MEP System Concept * Design of HVAC & MEP System * Preparation of Tender Documents & Drawings * Assistance to Owners in Award of Works to Contractors * Supervision of Installation Works