Heating, ventilation, and air conditioning (HVAC) is the use of various technologies to control the temperature, humidity, and purity of the air in an enclosed space. Its goal is to provide thermal comfort and acceptable indoor air quality. HVAC system design is a subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics, and heat transfer

SUMAJKT ELECTRIC COMPANY LTD understands the importance of HVAC in residential structures such as single family homes, apartment buildings, hotels, and senior living facilities; medium to large industrial and office buildings such as hospitals;

SECL prepares advanced designs and manage installations depending on the nature of climate within TZ and outside the county