How Long Do HVAC Systems Last (And Why)?

Exact Answer: Up to 25 years

The lasting time of HVAC systems would depend on many factors, such as the type and manufacturing of the HVAC systems. The HVAC system can stay in good condition for around 10 to 25 years. An HVAC system is used in both commercial and residential buildings.

This would help in the heating, ventilation, and air conditioning of the buildings. The maintenance and usage would affect the shelf life of the HVAC. People can keep a check on the working of the HVAC systems to know if it requires any repairs or maintenance.

The HVAC systems are available in different quality and the shelf life would be different accordingly.

How Long Do HVAC Systems Last

How Long Do HVAC Systems Last?

HVAC SystemsTime
In years25 years
In months300 months

The HVAC system contains many types of equipment. The gas furnaces would last for around 15 to 20 years without any issues. Some furnaces may require maintenance and repairs after 5 to 10 years. The shelf life of the heat exchanger may affect the lasting time of HVAC systems.

The heat exchanger is the most vital part of the HVAC system, which may start leaking after some time period. The inefficient fuel can cause many issues in the furnaces of the HVAC. This can be the reason why the HVAC may not last for more than 10 to 15 years.

If the HVAC system contains top-quality furnaces, then it would last for more than 25 years. The HVAC, which contains low or poor quality furnaces would not last for more than 5 to 10 years. The shelf life of the boilers would be not less than 25 years if they are of top quality.

There are some boilers which would last for more than 30 years if they are maintained properly. Both the furnaces and boilers would not be able to work if the heat exchanger starts leaking. The shelf life of the air conditioner would not be more than 10 to 11 years in coastal areas, as the salt exposure would degrade its quality.

In normal areas, the air conditioner would last for more than 15 years. The shelf life of the heat pumps would not be less than 15 years if they are used properly. Ductless mini-splits are known for providing both cooling and heating effects. The lasting time of the ductless mini splits would be around 20 to 25 years.

Why Do HVAC Systems Last This Long?

The HVAC system’s shelf life depends on all the components of the system. Defective components can reduce the shelf life of the HVAC system. Improper installation procedures would not allow the HVAC system to last for more than 5 to 10 years. Everyone should close the door for allowing the HVAC to last longer.

If someone keeps the doors and windows open, then it would reduce the shelf life of the HVAC system. Proper usage of the HVAC is vital for allowing the system to last for more than 15 to 20 years. If the HVAC installation is done in extremely salty environments, then the shelf life would not be more than 10 to 15 years.

Nobody should overuse the HVAC system as it would degrade its working effectiveness. The shelf life of components can get reduced if the person fails to maintain all the components of the HVAC system. To deaccelerate the component wear, people should avoid using the components excessively.

High loads can cause degrade in the quality of the HVAC systems. If someone observes any issues in the HVAC system, then they can reach out to the HVAC services centers. Maintaining the HVAC systems in regular intervals would prevent spending a lot of money on the replacement of the components.

Conclusion

The shelf life of the HVAC would be around 15 to 25 years. The lasting time of the HVAC system would get affected by factors such as quality, manufacturing, maintenance, usage, and environment.

Everyone should try to do regular inspections of the HVAC system to make it last longer than 15 years. During an inspection, people would be able to find out the minor issues happening to the components of HVAC.

References

  1. https://ieeexplore.ieee.org/abstract/document/6168821/
  2. https://www.sciencedirect.com/science/article/pii/S0378778805000939
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