Heating, ventilation, and air conditioning units don't last forever. Being stuck with a broken unit in the middle of summer isn't anyone's idea of fun—so it pays to understand how long you can expect these systems to last.

As consumers, we need better guidelines for objectively assessing HVAC system lifespans and realizing when it may be time for a replacement.

Additionally, HVAC technicians need an awareness of the factors that impact unit longevity and efficiency.

Learn all about an HVAC system’s life expectancy. We'll cover everything from how to extend them to what problems can shorten an HVAC system's average lifespan.

What Are HVAC Systems?

We commonly use HVAC systems in everyday life. They combine heating, ventilation, and air conditioning components and provide thermal comfort in residential and commercial settings.

Air conditioning systems regulate temperature and provide cooling in hot weather. Meanwhile, heating systems are useful for keeping us warm in cold weather. Systems for ventilation assist in bringing in fresh air from the outdoors and the removal of stale air from indoors

Together, these form an HVAC system that helps keep you in command of the temperature and humidity of your environment.

The Lifecycle Expectancy of HVAC Systems

The typical HVAC lifespan depends on the type and quality of the unit. Its maintenance and usage history also influence its durability. HVAC systems have an average lifespan of between 10 and 25 years, with their timespan depending on:

• The usage frequency of the HVAC unit
• The maintenance of the HVAC unit
• What exposure to environmental conditions it goes through

Reasons for Shortened Life Cycles

Unfortunately, there are many things that may shorten an HVAC system's life cycle.

Poor servicing practices, lack of routine maintenance, and exposure to extreme weather conditions are all potential causes of decreased longevity. Additionally, lower-quality systems may wear down faster than those with higher-grade components.

Poor maintenance practices

Poor maintenance practices can take a toll on the lifespan of an HVAC system. This improper maintenance will inevitably lead to an inefficient system with increased wear and tear and a shortened average life span.

Regular maintenance is essential for any heating, ventilation, and air conditioning systems, regardless of age.

This will aid in detecting problems early on and fixing them before they escalate any further.

Lack of upkeep and repairs

Another factor that can lead to a shortened average lifespan for HVAC systems is the absence of upkeep and repairs.

Minor untreated problems can quickly become more prominent, increasing deterioration and decreasing efficiency. So if you see any issues with your HVAC systems, it's best to deal with them immediately.

Exposure to extreme weather conditions

Outdoor units exposed to extreme weather conditions can experience a shortened lifespan due to increased wear and tear.

Exposure to high humidity levels can cause condensation on the interior components of your system, leading to corrosion and decreased efficiency.

Incompatible parts and equipment

Sometimes using incompatible parts and equipment can cause HVAC systems to experience a shortened lifespan. This problem can occur when a homeowner attempts to upgrade their system with components that do not match the existing unit.

If you're installing or repairing your HVAC unit yourself, ensure any new parts or equipment you install are compatible with your current system. This measure will stop any damage and prevent the worries of a shortened life span.

Issues with installation or setup

Proper installation and setup of an HVAC system will ensure strong long-term performance and efficiency. Incorrect installation can bring all kinds of problems, like decreased airflow, disintegration, and a shortened lifespan.

Additionally, incorrect wiring can result in overheating of the system and other potential hazards.

Feel free to ask an expert HVAC technician for assistance if you are unsure how to carry out the correct setup or installation procedure.

High energy costs

An issue with your HVAC system's efficiency or a faulty component that needs to be replaced could result in higher energy costs and energy bills.

In some cases, using lower-quality components or incorrect installation and setup causes more money to be spent on energy consumption, which drives up utility bills.

How to Prolong the Lifespan of an HVAC System

Maintaining an HVAC system is essential to prolong its average lifespan. Here are some tips for ensuring the longevity of your HVAC system:

Regular cleaning and maintenance services

It's essential to upkeep a regular cleaning schedule and properly maintain your HVAC system. It's recommended that a professional technician services your HVAC system at least once a year, even for minor repairs.

A good preventative maintenance schedule will reduce any expensive repairs your HVAC unit will need to undergo and extend your system's service life.

Use of high-quality parts and equipment

It's crucial to use only high-quality materials and equipment compatible with your present HVAC system when changing any of its elements or components. The best materials will help prevent efficiency, performance, and longevity issues.

Regular filter changes

Remembering to regularly change the air filters on your HVAC systems will prevent deterioration and overuse. Dirty air filters can cause airflow problems and affect the optimal performance of your HVAC unit.

Inspecting and replacing air filters at least every three months is recommended to avoid any issues.

Signs It's Time to Replace Your HVAC System

So when is it time to replace your heating, ventilation, and air conditioning system? The timing of this knowledge matters, thanks to the following reasons.

Increasing energy costs

A rise in your electricity bills is a warning sign for issues with your HVAC system. Rising costs signify a consistent increase in your energy usage.

An old HVAC system working incorrectly may be the problem, so it's replacement time.

Frequent repairs and breakdowns

Frequent repairs and breakdowns indicate that your system is nearing the end of its lifespan, if not already teetering on the brink.

An HVAC system replacement with a newer model will help prevent frequent breakdowns and repair costs, giving you peace of mind.

Age of the unit

Energy efficiency can decline with older models, so an HVAC system's age can be a determining factor when considering a replacement.

So if the above signs are happening more frequently with your unit, your HVAC system may be nearing the end of its average life expectancy.

Also, try to remember when you first bought and installed the unit. If it happened ages ago, it might be time to replace it with a newer model for improved efficiency and performance.

Summary

New HVAC systems will live up to 20 years with proper care and attention. This will mean keeping your home's climate control working in tip-top shape for years to come, keeping you in exceptional comfort.

Homeowners will continue to seek the help of HVAC technicians, keeping the HVAC industry awash with opportunities. As a result, the expected job growth in the HVAC industry is projected to remain steady over the next decade.

If you want to help people stay comfortable in their homes while building a long-term career, joining the HVAC industry can be super exciting. Learn the trade at Pinnacle Career Institute and get a head start on your career with our fast-paced trade school programs.

You can discover more about all of the services offered by PCI and get started today.