Signs It’s Time to Replace Your HVAC System

June 28, 2023
Signs It’s Time to Replace Your HVAC System

Air conditioning systems are one of the biggest investments we make for our homes, so it’s only logical to want to get the most out of them. Unfortunately, no matter how well-maintained your HVAC system might be, you’re going to have to replace it at some point. An old or damaged HVAC system can result in issues for homeowners such as growing energy bills and poor indoor air quality. Not sure if it’s time to invest in a new AC? Here are eight signs it’s time to replace your HVAC system.

1. Your AC System Is More Than 10 Years Old

When was your air conditioning system installed? The Department of Energy recommends homeowners replace their HVAC system every 10 to 15 years. Modern air conditioners are durable, but their major components will begin to deteriorate after around ten years depending on how often you use and maintain them.

2. Repair Costs More Than Half the Cost of a New AC

If you’re on the fence about whether or not to repair or replace your current system and it’s more than a decade old, purchasing a new system will be a better investment. All air conditioning systems will require a repair from time to time, but if your system is in need of a repair that is more than half the cost of a new AC, it is smarter to invest in a new one.

3. Your Energy Bills Keep Increasing

While there will be seasonal changes to your energy costs, bills on the same month of different years should be relatively similar. High energy bills are another common sign that you should replace or service your HVAC system. As heating and cooling systems age, their efficiency tends to decline. This can be especially problematic for those that do not have these systems serviced at least once or twice a year.

4. You Can’t Keep Your Home at a Comfortable Temperature

An aging HVAC system will often struggle to keep your home at a consistent temperature. This could be the result of a variety of issues such as a damaged thermostat, an inaccurate thermostat, low fluid levels, clogged filters, cracked ducts, or serious damage to the motors.

5. You’ve Noticed More Dust Throughout Your Home

Besides delivering cooled and heated air throughout your home, your HVAC system is responsible for providing proper ventilation. When working efficiently, your system should improve the quality of the air inside of your home via removing dust (as well as dander, dirt, and other debris) and keeping humidity under control. If you have noticed an increased amount of dust in your home, it could be a sign that your air conditioning system is no longer efficient enough to remove it.

6. Unusual Smells

An unusual smell coming from your HVAC system could be nothing more than dust burning off, but it is important to turn off the device and have it inspected immediately just to be safe. In some situations, wiring melting away, or mold in the ducts can produce unusual smells.

7. Odd Sounds

A well-maintained HVAC system should operate relatively quietly. As time goes on and the individual components become older, you might begin to notice noises such as grinding and squealing. If these devices are making any unusual sounds, then you should have the system inspected immediately.

8. You Have Poor Air Quality

During the summer, an air conditioner is most likely the single biggest factor when it comes to indoor air quality. Families that notice mold, mildew, dust, or unusual humidity levels might be dealing with a damaged air conditioner that should be replaced.

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