In addition to normal accumulations of dust and dirt found in all homes, there are several other factors that can increase the need for regular HVAC system cleaning:
pets
occupants with allergies or asthma
cigarette or cigar smoke
water contamination or damage to the home or HVAC system
home renovation or remodeling projects
Some occupants are more sensitive to these contaminants than others. Allergy and asthma sufferers, as well as young children and the elderly, tend to be more susceptible to the types of poor indoor air quality that air duct cleaning can help address.
#2 To extend the life of your HVAC unit along with possible energy savings
The HVAC unit in your home is generally the most expensive piece of equipment in the house. When it is kept properly clean, the unit is able to run more efficiently-it will run smoother and often times not have to run as long. This will, of course, extend it’s life and has the potential to lower your energy bill.
According to the U.S. Department of Energy, 25 to 40 percent of the energy used for heating or cooling a home is wasted. Contaminants in the heating and cooling system cause it to work harder and shorten the life of your system. Although filters are used, the heating and cooling system still gets dirty through normal use.
When an HVAC system is clean, it doesn’t have to work as hard to maintain the temperature you desire. As a result, less energy is used, leading to improved cost-effectiveness.