Your HVAC system works harder than almost anything else in your home. It filters the air, maintains the right humidity level, and ensures you’re comfortable all year long. All this work leads to wear and tear, which can reduce efficiency and increase the risk of breakdowns. HVAC systems also have a limited lifespan, causing many homeowners to wonder if it’s time for HVAC replacement. If your system isn’t performing as expected, consider these factors to determine if you should replace it or repair it.
System Age
One of the most important factors is the age of your system. If it’s near the end of its expected lifespan, HVAC replacement is often the most cost-effective option. If you repair it, it can break down again just a few months later due to the age of the parts. Older systems also use more energy than newer ones.
Here’s the expected lifespan for common HVAC components:
- Condensate pumps: 5 to 10 years
- Heat pumps and split systems: 15 to 20 years
- Rooftop units: 15 to 20 years
- HVAC fan coil units: 20 to 25 years
- Hydronic chillers and boilers: 30 to 50 years
- Ground source heat pumps: 30 to 50 years
You should also replace a furnace or boiler if it’s more than 15 years old. You can easily earn back the HVAC replacement cost with lower energy bills and fewer repairs.
Energy Efficiency
HVAC systems need regular maintenance to perform at peak efficiency. If you don’t perform HVAC filter replacement according to the manufacturer’s schedule, your equipment has to work harder to move air past clumps of dust, pet hair, pollen, and other contaminants. The moving parts in an HVAC system should also be lubricated regularly. A lack of lubrication increases friction, increasing wear and tear.
Your system may be losing efficiency if:
- Your energy bills are higher even though you haven’t increased your usage.
- It takes longer than usual to reach your desired temperature.
- You’re dealing with inconsistent temperatures throughout your home.
- It turns on and off frequently (short cycling).
- You have weak airflow coming from your vents.
- It’s running constantly.
Newer HVAC systems are manufactured according to updated efficiency standards, so HVAC replacement can help you take advantage of smart thermostats, variable-speed motors, and other advances. Replacing an outdated system can significantly decrease your monthly energy costs, making HVAC replacement a financially sound decision. In fact, the U.S. Environmental Protection Agency estimates you could save as much as $140 per year by installing ENERGY STAR-certified equipment.
If you’re wondering whether to repair vs. replace your HVAC system, review your energy bills for the last 6 to 12 months. Look for sudden increases despite no change in your usage patterns. If your bills are higher with no change in your usage or utility rates, it may be time to replace your system.
Comfort and Performance Issues
Age and energy efficiency are important considerations, but the primary purpose of an HVAC system is to keep you comfortable. You may need to replace your HVAC equipment if you have consistent comfort issues.
We recommend you watch for:
- Excess humidity
- Extremely dry air
- Poor airflow
- Unusual noises
- Difficulty maintaining the set temperature
While some comfort issues can be resolved with routine maintenance or small repairs, persistent comfort issues often indicate deeper inefficiencies. A new system can restore your comfort while improving efficiency and saving you money on repairs.
Long-Term Costs
Many homeowners make the mistake of focusing solely on the cost of installing a new HVAC system. Instead of focusing on up-front costs, we advise our customers to consider long-term expenses. Repairs may seem less expensive in the moment, but repeated service calls and higher energy bills can add up quickly. HVAC replacement often comes with:
- Lower energy costs
- Manufacturer warranties
- Fewer repairs
- Improved reliability
When you compare the cost of a new HVAC system with the cost of continuing to maintain and repair your current one, replacement is often the smarter choice.
When Repairs Make Sense
Not every problem justifies replacing your entire HVAC system. You may want to pay for repairs if:
- Your system is less than 10 years old.
- You’re experiencing an isolated issue instead of repeated problems.
- Your energy costs have remained stable.
- The repair is inexpensive.
Routine maintenance can help you extend the lifespan of your HVAC system, helping you minimize repair costs and avoid the need for complete HVAC replacement.
When Replacement Is the Better Option
Replacement is the better choice when your system is near the end of its lifespan, it’s not as efficient as it used to be, or your repair costs are getting out of hand. For example, if you need repairs three or four times per year, it would almost certainly be more cost-effective to install a new HVAC system.
You may also want to consider replacing your HVAC system if the current unit uses R-22 refrigerant (Freon). The U.S. government is phasing out R-22 and other hydrofluorocarbons (HFCs) due to their harmful effects on the environment. If your system has Freon, it may cost more to maintain and repair it due to the new regulations. Installing a new, non-Freon system, can help you avoid these additional costs.
Trust Anderson for Your HVAC Replacement
Anderson Heating, Cooling, Plumbing & Electric has been serving Ohio homeowners since 1982. We have the knowledge and skills needed to assess your HVAC equipment and help you determine whether to repair or replace it. Contact us to request an estimate or get help with a heating and cooling issue.
Frequently Asked Questions
We answered some common questions to help you determine if you should repair or replace your HVAC system.
Is It Worth Repairing an HVAC System That’s 15 Years Old (or Older)?
In most cases, no, it’s not worth repairing an HVAC system that’s 15 years old. Many components wear out after 15 years, making them less efficient. It’s usually better to replace an older system than to continue maintaining and repairing it.
What Are the Main Signs of a Failing HVAC System?
The main signs of a failing HVAC system include poor airflow, inconsistent temperatures, unusual noises, and unpleasant odors. Poor airflow is often caused by dirty filters or blocked vents, but it can also occur if you have a blocked condenser unit or frozen evaporator coil. Inconsistent temperatures are commonly associated with restricted airflow, ductwork issues, or poor insulation.
Unusual noises and odors may indicate anything from a minor breakdown to a total system failure. If it smells like gas, leave your home and call 911 immediately. Don’t flip any switches or adjust the equipment in any way. If there’s a burning smell, turn off the system at the circuit breaker. This can prevent a fire while you wait for us to inspect your equipment.
