How to Reset HVAC System?

Many homeowners may sometimes encounter HVAC system issues, ranging from inconsistent temperatures to complete system failures. These common issues can often come from minor glitches or technical hiccups that disrupt normal operations. In these cases, a simple system reset is often the most effective solution to restore functionality. However, not every HVAC owner knows how to reset their system, so it’s important to learn the basic and simple steps of how to reset your HVAC system.

How Do I Reset My HVAC System?

Turn Off the Power

Shut down power to your entire unit. You can do this by switching off the circuit breaker box in your home’s electrical panel. Alternatively, you may find dedicated shut-off power switches near the unit itself. This step guarantees your safety while handling the system.

Wait for a Few Minutes

After the power source is turned off, wait approximately 5 to 10 minutes. This lets residual electrical current dissipate and clear minor issues or glitches in the system’s electronics and electrical components.

Turn the Power Back On

Once the waiting period ends, turn the power back on at the circuit breaker or the shut-off switch. This action will make the system operational, allowing any reset protocols to take effect.

Set the Thermostat

Adjust the thermostat to your desired temperature setting. Make sure it is set to “cool” or “heat” depending on the season and your needs. This lets you determine whether the HVAC system receives the correct commands for operation.

Check System Operation

Monitor the HVAC system to ensure it is operating correctly. Listen for unusual noises and check whether the desired temperature is being attained. Consider consulting a professional technician if the system does not function properly after resetting.

Where to Find the Reset Button In Different HVAC Systems

Central Air Conditioners and Heat Pumps

The reset button is generally found on the compressor unit outside for central air conditioners and heat pumps. Look for a red or yellow button on the back or side of the unit. You may also need to remove a plastic cover to access it.

Furnaces

The reset button is usually located on the front or side of gas or electric furnaces. You may have to remove the access panel to reach the button, which is often red or brightly colored for easy visibility.

Mini-Split Systems

The reset button is on the indoor unit near the control panel in mini-split systems. Some models may have a button hidden behind a cover, so you may need to consult the user manual for specifics.

Boilers

Boilers typically do not have a reset button like other systems. Instead, if there’s an issue, you may reset the system through its control panel, usually by pressing a button marked “reset” or “restart.”

Thermostats

Some modern smart thermostats have a reset function that you can access through their settings. Resetting the thermostat itself can resolve HVAC issues even if the indoor or outdoor unit does not have an obvious reset button.

Signs to Reset an HVAC System

• Inconsistent Temperatures. If different rooms in your home experience varying temperatures, it may indicate a need to reset your HVAC system.
• Frequent Cycles. If your system turns on and off frequently, known as short cycling, resetting may recalibrate its operation.
• Unresponsive Thermostat. When the thermostat does not respond to adjustments, resetting the system can restore communication between components.
• Unusual Noises. Hearing strange sounds, such as banging or hissing, can suggest an issue a reset might resolve.
• System Failure. If your HVAC system is completely unresponsive or has shut down unexpectedly, a reset is a good first step to troubleshoot.
• Error Codes. If your system displays error codes or warning lights, a reset might clear them and enable normal functioning.
• Poor Airflow. Reduced airflow from vents can indicate that the system needs resetting to address potential operational issues.

Will Constant Resetting Damage the HVAC System?

Constantly resetting your HVAC system can lead to several issues that may damage the indoor or outdoor unit or reduce lifespan. While a quick reset is a valuable troubleshooting step for resolving minor glitches and restoring normal functionality, frequent resets can indicate underlying problems that require attention. Here are some concerns associated with constant resetting:

• Increased Wear and Tear. Each time you reset the system, it undergoes a complete restart, which can cause additional strain on the mechanical components. This repeated cycling may accelerate wear and tear, leading to premature breakdowns of vital parts such as the compressor or fan motors.
• Overheating. Frequent resets may prevent your HVAC unit from completing its natural operational cycle. When components reset without running for an adequate duration, it leads to overheating and damaging electrical connections and mechanical parts.
• System Misdiagnosis. Relying on resets without addressing the underlying issue can result in misdiagnosing the problem. Rather than benefiting from a reset, the system may continue to malfunction, leading to more significant repairs down the line and potential long-term damage.
• Inefficient Operation. Each reset can temporarily restore functionality. However, the system may operate inefficiently if the root cause remains unaddressed. This inefficiency impacts comfort and air quality and can lead to increased energy consumption, straining the system even more.
• Void Warranty. Many HVAC manufacturers have specific guidelines regarding system use and maintenance. Regularly resetting the system without professional evaluation from certified and experienced technicians may violate warranty conditions, leaving the homeowner responsible for costly repairs in the event of failure.

How to Avoid HVAC System Resets

• Regular Maintenance. Schedule annual preventive maintenance with Elevate Home Services to check and service all HVAC system components.
• Change Filters Frequently. Replace air filters every 1 to 3 months, depending on usage and filter type, to improve airflow and reduce strain on the system.
• Keep Vents Clear. Ensure that vents and registers are unobstructed by furniture or debris to promote proper airflow and avoid overheating.
• Insulate Properly. Insulate your home as much as possible to prevent heat loss in winter and keep it cool in hot summer months. Doing so reduces the load on your HVAC system.
• Install a Programmable Thermostat. A programmable thermostat lets you optimize your temperature settings according to your schedule, reducing unnecessary heating or cooling.
• Seal Ducts and Windows. Address leaks in ducts or windows to maintain consistent temperatures and lessen the workload on the HVAC unit.
• Monitor for Issues. Pay attention to strange sounds or changes in airflow and address them quickly to avoid simple issues from escalating.

Find Your HVAC System’s Reset Button Easier

The best way to find your HVAC system’s reset button is to refer to the manual that came with it. The manual contains everything you need to know, including the proper technique for resetting that specific HVAC model. However, for severe problems, you may need more than just resetting. That’s where Elevate Home Services provides quality HVAC maintenance and repairs.

Contact us today to learn more about resetting HVAC systems the right way.