How Long Do HVAC Systems Last?
How long should an AC unit last?
Homeowners often struggle to know what to prioritize when it comes to fixing their home.
Should you invest in a new bathroom? Is a new roof a better investment?
But when it comes to your HVAC unit going out, the only question might be, “how soon can we get it fixed?”
Before you get to that point, it’s smart to prepare. That preparation starts with knowledge. So, how long do AC units last, and how do you make sure yours does?
How Long Should an AC Unit Last?
In most cases, air conditioners last up to 20 years, but most last for 15 years. The lifespan of your AC is dependent on your maintenance schedule and the quality of the unit. Other factors determine the longevity of your AC, of course, including things like the build of your home.
AC Unit Lifespan Broken Down By Type of Unit
Your HVAC’s lifespan also depends on the type of unit.
Window Units--up to 10 years
Residential HVAC/whole home units--Around 15 years
Portable ACs--5-10 years
Central heat and air heat pumps--15 years minimum, up to 25 years when well taken care of in a properly insulated home.
Ductless mini-split AC units--20 years or more
What Affects The Life Expectancy of HVAC Systems?
So, what makes the difference on how long do central AC units last? A few factors include the following:
Location
The climate you live in can determine the lifespan of your HVAC system. In as little as 5-7 years our unit could go out on you if it’s under constant strain. This goes for extreme cold and extreme heat.
Installation
An improperly installed system could be too big, too small, not have the right ductwork to go with it, and even the refrigerant can be inefficient. Frequent breakdowns can also happen if the electrical components aren’t installed properly. It all works together.
Maintenance
Things like neglected air filters, coil cleanings, and thermostat calibration all play a role in the lifespan of an AC. Regularly maintaining these key components keeps your AC running cold for decades.
Usage
How much you use your HVAC also plays a role in how long it lasts. Even a well-maintained AC unit can wear out much more quickly if it’s overworked or used inefficiently. Constant operation of the unit increases the wear on the compressor, blower motor, and other components.
Quality of the Unit
If you want an HVAC system that lasts, you need to invest in a high quality unit. Even a properly installed unit will fail if it’s made from low-quality components. Invest in a better quality product and you’ll get an AC with a longer lifespan.
Frequently Asked Questions About How Long Do HVAC Systems Last
What is the life expectancy of an HVAC system?
An HVAC system, in general, will last between 15 and 25 years. That is an estimate, though. It can be highly variable.
Can an HVAC unit last 30 years?
Yes. HVAC systems can last 30 years, but that is not common. Most last up to 25 years.
How often do HVAC systems need to be replaced?
Between every 10 to 15 years.
Is it worth fixing a 20 year old AC unit?
If it has been maintained, yes, it is worth fixing.
How much does a new HVAC cost?
Between $5,000 to $12,500.
Should you replace a 15 year old HVAC system?
Yes, it is a good idea to replace units that old.
What HVAC lasts the longest?
Well-maintained HVAC units last the longest, up to 20 years.
How much does an air conditioner cost for a 2000 sq ft home?
Between $3,000 and $7,000 to install.
Which AC brand lasts the longest?
Brands like MRCOOL, Carrier, Rheem, and Goodman hold the title for the longest-lasting AC brands.