conditioning.A business will achieve higher cost efficiency with outsourcing the cleaning and maintenance work compared to having it done in-house. This is because in addition to the purchase of equipment and materials, the company will have to invest in the professional training of in-house staff. If additional workers are hired, the cost will climb further up. Given that the care for air vents and shafts is not a daily or even weekly task for the majority of businesses, it is simply not economical to go for the in-house option.
The provision of cleaning and care to air vents and shafts typically involves climbing a ladder and working with both hands at a considerable distance above the ground. This poses considerable safety risks, especially to untrained people. The HVAC technician has been trained to do the job and has a great deal of experience in it. Besides, the knows how to use techniques for protection from accidents.