Homeowners often think power surges occur only during lightning storms. While lightning is definitely one cause, it’s far from the only one. Utility grid activity, restoring power after outages and large household appliances cycling can all create electrical surges inside your home.
These electrical surges don’t just threaten televisions and computers. They may also cause HVAC electrical damage because current heating and cooling systems rely on advanced electronic components. The good news is HVAC surge protection can help safeguard one of your home’s biggest investments and reduce the risk of major repairs.
What Are Power Surges
A power surge is a brief spike in electrical voltage running through your home’s wiring. Although it lasts only a fraction of a second, it can damage electronic components.
Lightning remains the most well-known cause, but power surges often occur much closer to home. Utility companies regularly switch power on the electrical grid, and power can also surge when electricity is restored after an outage. Major appliances like refrigerators or AC units can also create brief voltage fluctuations when they cycle on and off. In some cases, loose wiring or other home electrical issues can cause surges.
While a single large surge can cause immediate damage, repeated minor surges can slowly wear down HVAC components over time, shortening their lifespan.
Why Modern HVAC Systems Are More Vulnerable Than Ever
Many of today’s heating and cooling systems use advanced electronics to improve comfort and energy efficiency. Even though hese advanced features offer many benefits, they can make equipment more at risk of damage from voltage spikes, highlighting the importance of HVAC electrical protection.
Some of the most vulnerable components to power surges include:
- Electronic circuit boards. They function as the system’s control center and can be damaged by even brief or small voltage spikes.
- Variable-speed motors. These energy-saving motors rely on electronic controls that are susceptible to electric surges.
- Smart thermostats. Connected thermostats contain delicate electronics that communicate with your HVAC equipment.
- Electronic communication systems. Today’s HVAC systems rely on electronic communication between indoor and outdoor units for reliable operation.
- Inverter technology. Variable-capacity HVAC systems rely on sophisticated electronics that work best with surge protection.
Which HVAC Components Are Most at Risk?
Damage from power surges can cost hundreds or even thousands of dollars to repair. Installing whole-house surge protection helps minimize the risk of unexpected failures and costly HVAC repair after power surge incidents.
HVAC components most commonly affected by power surges in Redding include:
- Control boards:Protecting your HVAC system’s control board safeguards its primary.
- HVAC compressors. The compressor is one of the costliest parts of an air conditioner or heat pump to replace.
- Blower motors.Voltage spikes can damage motors used to move conditioned air throughout your home.
- HVACcapacitors. Power surges may weaken or damage these components, affecting system startup and performance.
- Smartthermostats. A smart thermostat can malfunction after repeated voltage spikes.
- Heat pump control electronics. Heat pumps rely on multiple electronic components that are particularly vulnerable to surges.
Whole-Home Surge Protection vs. Power Strips
Many homeowners use surge-protecting power strips for computers and televisions, but those devices don’t protect your heating and cooling system. To provide complete HVAC system protection, whole-home surge protection offers broader coverage and lasting value.
A professionally installed whole-house surge protector is located at your home’s electrical panel. Unlike devices that protect only one outlet, the system helps safeguard major appliances and electronics throughout the house, including your heating and cooling equipment.
Benefits of Whole-House Surge Protection
Using whole-home surge protection is an effective way to protect your HVAC investment while helping safeguard other valuable electronics throughout your home.
Benefits of whole-home HVAC surge protection include:
- Reduced repaircosts. Preventing surge damage can help reduce expensive HVAC repairs.
- Longer HVAC equipmentlife. vulnerable technological components experience less electrical stress over time when protected correctly.
- Home electronics protection. In addition to protecting your HVAC, whole-home surge protection also shields appliances, computers and entertainment systems.
- Added confidence during severe weather. You’ll have added confidence when severe weather strikes.
- Protectionagainst everyday electrical fluctuations. Small voltage spikes can gradually damage your HVAC system.
5 Signs You May Need Surge Protection
- Severe weather. Given the powerful summer storms in Redding, lightning protection for your HVAC can help lower the risk of power surge damage.
- Frequent power outages or flickering lights. Ongoing power interruptions and voltage fluctuations increase the likelihood of damaging voltage spikes.
- Aging electrical systems. Old wiring or substandard electrical equipment can add to your home’s surge risk.
- Expensive HVAC equipment. Protecting a high-efficiency heating and cooling system with a surge protector is often less expensive than repairing or replacing damaged components.
- Smart home devices. Homes with Wi-Fi thermostats and other connected devices have additional sensitive electronics to protect.
Expert Surge Protection Installation Is Important
Whole-home surge protection must be professionally installed to provide reliable protection. Working with licensed HVAC and electrical professionals like the team at Allianz Heating & Air helps make sure the surge protection device is properly installed and ready to help protect your home HVAC system.
The experienced professionals at Allianz Heating & Air understand the specialized electrical needs of modern HVAC equipment and will identify the right surge protector for your AC, furnace and other home comfort systems.
Protect Your HVAC Investment Before the Next Power Surge
Power surges aren’t always obvious, but they can have a major impact on your HVAC system. Installing whole-home surge protection is a smart way to help prevent major repairs, extend equipment life and improve the reliability of your HVAC system.
If you’re considering AC or furnace surge protection, you can count on the team at . Our HVAC services include a variety of surge protection options, including whole-house surge protectors. Our professionals will assess your home’s needs and help you choose a setup to protect your home HVAC. Beyond surge protection, we offer all electrical services for the rest of your home.
Find out how surge protection can help safeguard your HVAC equipment. Schedule service online or call 530-221-2642 today.
Frequently Asked Questions About HVAC Surge Protection
Is HVAC surge protection a good investment?
In most cases, yes. Whole-house surge protection is often a smart investment because it helps protect expensive HVAC equipment. Installing surge protection is typically much lower than repairing or replacing damaged HVAC components, and it helps extend the life of your home comfort system.
Can an electrical surge damage an an air conditioning system?
It can. A power surge can damage an air conditioning compressor, circuit board and blower motor, leading to major repairs. A surge protector for your AC helps protect your air conditioner from electrical fluctuations by shielding the sensitive HVAC components.
What can cause power surges inside a home?
Power surges are most commonly caused by lightning strikes, utility grid switching, power outages, power restoration and large appliances cycling on and off. Another possible cause is problems within your home’s electrical system. Repeated minor power surges can gradually wear down HVAC components over time.
How long does a whole-home surge protector last?
A typical whole-home surge protector lasts about 5 to 10 years, although its lifespan depends on the number and severity of the surges it absorbs. Surge protector systems in homes that experience many severe storms or utility power fluctuations may require replacement sooner.
Does homeowners insurance cover power surge damage?
In some cases, but not all. Homeowners insurance sometimes cover power surge damage, but coverage depends on your policy and the reason for the surge. With policy limits and deductibles varying, surge protection installation is often a smart way to avoid paying for preventable and expensive HVAC repairs.
Does a surge protector help protect smart thermostats?
It can. Power surge protection for HVAC helps safeguard smart thermostats and other connected HVAC components from electrical surges. It also helps improve system reliability and reduce the risk of extensive repairs to home heating and cooling equipment.
