Your heating, ventilation, and A/C unit will eventually experience a lot of wear and tear as it runs, however this is an inevitable occurrence that comes with the mechanical and electrical unit.
The materials used to create these appliances are not meant to last forever hence the normal wear and tear. The best you can do is ensure that the wear and tear rate is slower than usual. There are easy things you can do that make a large difference; first, consider installing a modern thermostat… Replacing your outdated thermostat and swapping with a modern programmable or smart thermostat suddenly increases the unit’s efficiency. When the unit works efficiently, it can give smooth results without straining; it is this efficiency that ensures that there is minor wear and tear… Each time the system struggles to work, it uses a lot of energy and may overwork the components. To further minimize the strain on your unit, make sure to change filters correctly. The easy act of increasing filters ensures that the system is running without any form of air resistance, as this could actually trigger resistance that pushes the unit to overwork and strain the components! And you can also invest in better insulation as this helps to minimize the unit attempt to overcompensate. Finally, seal any cracks and points that air could be getting lost through. When air is lost, it destabilizes the unit as it attempts to overcompensate for the change… Also, keep up with repairs as soon as they come up; Please do not put off what you can do for your unit, as it definitely affects efficiency.