HVAC refers to heating, ventilation and air conditioning (HVAC). The HVAC industry is an important industry that solves on of man’s basic physiological needs, The HVAC industry have been able to produce as well as improve on previously existing models of air-heat regulating systems. The quality of air we breathe is as much important as the food we eat. The HVAC industry is one that has been serving the basic needs of man since time immemorial until the advent of the industrial revolution which brought about a formal coordination, organisation and regulation to the operations of HVAC experts and companies

Every building needs thermal balance. The temperature of a room has to be well regulated to ensure comfort ability and a conducive atmosphere for occupants inside the building. The only way this can be achieved is through a system that automatically regulated the flow of air present inside a building and efficiently distributes the amount of heat needed indoor based on pre settings. The HVAC system is a great invention of all time that has been able to achieve this for man. However, there are experts who are trained to ensure the HVAC system performs the function for which it was designed for well. These experts are recruited by HVAC companies. HVAC companies’ produce and market HVAC system, provide customers with expert who can install, repair and replace an HVAC equipment. These experts are often regarded as HVAC technicians or HVAC engineers. HVAC technicians, solve problems involving furnaces, air conditioners and refrigeration units. They also solve problems such as leaky seals, ventilation ducts, chimneys or piping.

HVAC technicians and engineers are well trained to perform the job they offer. Most HVAC companies, take the responsibility of training their staffs. Most HVAC companies boast of their technical education. This they often use as part of their selling point when adverting their brand. The North American Technical Excellence (NATE) is responsible for quality control and best practices among HVAC companies. HVAC companies which have NATE (North American Technical Excellence) is considered to have certified service technicians on staff. The NATE certifications still the best and highest standard training ever that HVAC technicians can have.