The HVAC systems are probably the most expensive machine you buy for your home and comfort. Every homeowner wants to get the most out of the system before it breaks down.Irrespective of how much you take care of your HVAC system, it will need to be replaced after some time.

Keep reading below to know the signs that show the need for HVAC system replacement. 

Old Age

As per the expert’s recommendation, the HVAC systems must be replaced by the homeowners every 15 years. Every machine begins to deteriorate with time, depending on the usage and maintenance. And with continuous technological advancement, you will get better performance and efficiency in modern HVAC systems. Contact the air conditioning contractors liberty to know the best replacement options for you. 

Increasing Energy Bills

Getting high energy bills is a sign that indicates the need for HVAC replacement. As time passes and the system ages, it begins to lose its initial efficiency. With the help of routine maintenance, you can increase the lifespan and efficiency of your unit. But after some time, a replacement will be necessary. And it will also help you reduce your monthly energy bills. 

Presence of Dust

Apart from cooling and heating your home, your HVAC system plays a major role in providing proper ventilation. It removes dust, dirt, dander, and other particles to improve the air quality inside your home. So if you notice the presence of dust throughout your home, it might be a sign that your HVAC system is not properly working and needs replacement. 

Unusual Smells

Generally, the Burning of dust might create an unusual smell coming from your HVAC system. And when you notice such a smell, turn off the system and get an inspection performed immediately to be safe. On the other hand, sometimes melting of wiring or the presence of mold in the ducts can produce such smells. 

Odd Noises

All HVAC systems produce some sounds while operating, but the sound is low and negligible. But with time, the system and the components grow old, and you might start to experience noises like grinding and squealing. If the noises continue to disturb you, you should get your system inspected. 

Poor Air Quality

Your HVAC system is responsible for maintaining the air quality in your home. When your system gets clogged with dust and dirt, it will result in poor air quality that will be very harmful to you and your family. So if you notice mold, dust, or unusual humidity levels, you need HVAC replacement. 

Expensive Repair

If you are confused about whether to repair your HVAC system or replace it and the age of your system is also more than a decade, then replacing it will be the best option. Every machine requires repair from time to time, but if the repair costs are more than half the cost of a new system, it is best to go for a new system. 


If you need to replace your AC or any HVAC system, contact the air conditioning contractors at liberty to get the best services at the most reasonable prices. Call us at (816) 452-2665 or drop a mail at [email protected] or visit our website