Many people think power surges only happen during lightning storms. While lightning is one cause, it isn’t the only one. Major appliances turning on and off, electrical grid switching, power outages and restoration can all create power surges inside your home.
These surges don’t just pose a risk to televisions and computers. These surges can cause HVAC electrical damage because current heating and cooling systems rely on highly sensitive electronic components. The good news is HVAC surge protection can help safeguard one of your home’s biggest investments and reduce the risk of costly repairs.
What Is a Power Surge
A home power surge is a brief spike in electrical voltage that travels through your home’s wiring. Even though it lasts only a fraction of a second, it may damage electronic components.
Lightning is the most well-known cause, but many electrical surges begin much closer to home. Utility companies regularly switch power on the electrical grid, and electrical surges also can happen when electricity is restored after an outage. Household appliances like refrigerators or HVAC systems can also create brief voltage fluctuations when they cycle on and off. Sometimes, loose wiring or other home electrical issues contribute to surges.
While a single large surge can cause immediate damage, smaller, repeated voltage spikes can slowly wear down heating and air conditioning systems over time, shortening their lifespan.
Why Modern HVAC Systems Need More Surge Protection Than Ever
Today’s heating and cooling systems use advanced electronics to improve comfort and energy efficiency. Although these technologies offer many benefits, they also make equipment more sensitive to voltage spikes, increasing the importance of HVAC electrical protection.
Some of the most vulnerable components to power surges include:
- Control boards. They function as the system’s control center and can be damaged by even minimal voltage spikes.
- Variable-speed blower motors. Variable speed motors rely on electronic controls that are susceptible to electric surges.
- Smart thermostats. Smart home devices are made with delicate electronics that control your HVAC equipment.
- Communication systems. Modern heating and cooling systems use electronic communication between indoor and outdoor units for energy-efficient operation.
- Variable-capacity inverter technology. Variable-capacity HVAC systems rely on sophisticated electronics that work best with surge protection.
Which HVAC Components Need the Most Protection?
Damage from voltage spikes can cost hundreds or even thousands of dollars to repair. Installing whole-home surge protection helps reduce the risk of unexpected failures and expensive HVAC repair after voltage spike incidents.
HVAC components most vulnerable to power surges in Columbia include:
- Control boards:Installing a whole-house surge protector protects your HVAC control board’s main.
- HVAC compressors. This component is one of the costliest parts of an air conditioner or heat pump to replace.
- Blower motors.Power surges can damage motors responsible for circulating conditioned air throughout your home.
- Capacitors. Power surges may weaken or damage these components, affecting system startup and performance.
- Thermostats and Smart Home Technology. These devices may malfunction after multiple voltage spikes.
- Heat pump control electronics. Modern heat pumps use multiple electronic components that are particularly vulnerable to surges.
Comparing Whole-Home Surge Protection to Power Strips
Many people use surge-protecting power strips for computers and televisions, but these plug-in devices don’t protect your HVAC system. For HVAC system protection, whole-home surge protection offers greater coverage and lasting value.
A professionally installed whole-house surge protector is connected at your home’s electrical panel. Rather than protecting only one outlet, the system helps safeguard major appliances and electronics throughout your house, including your HVAC system.
Benefits of Whole-Home Surge Protection
Installing whole-home surge protection is a smart way to protect your HVAC investment while also helping safeguard other valuable electronics throughout your home.
Benefits of whole-house HVAC surge protection include:
- Lower repair expenses. Avoiding surge damage can help avoid expensive HVAC repairs.
- Longer HVAC equipmentlife. vulnerable technological components experience reduced electrical stress over time when properly protected.
- Protection of homeelectronics. In addition to protecting your HVAC, a whole-home surge protector also shields appliances, computers and entertainment systems.
- Greater peace of mind duringstorms. You’ll have added confidence when weather-related power outages occur.
- Protection from everyday electrical fluctuations. Minor electrical surges can gradually damage electronic HVAC equipment.
5 Signs You May Need Surge Protection
- Regular summer storms. Given the frequent summer storms in Columbia, lightning protection for your HVAC can help lower the risk of electrical surge damage.
- Frequent power outages or flickering lights. Ongoing power interruptions and changing voltage levels increase the likelihood of damaging voltage spikes.
- Aging electrical systems. Old wiring or outdated electrical equipment can raise your home’s surge risk.
- High-efficiency 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 more sensitive electronics to protect.
Professional Surge Protection Installation Matters
Whole-house surge protection must be installed correctly to provide reliable protection. Working with licensed HVAC and electrical professionals like the team at Watts Electric & AC helps make sure the surge protection device is properly installed and ready to protect your home HVAC system.
The experienced professionals at Watts Electric & AC understand the specialized electrical needs of modern HVAC equipment and will recommend the right surge protector for your AC, furnace and other home comfort systems.
Protect Your HVAC Investment with Whole-Home Surge Protection
Voltage spikes aren’t always obvious, but they can have a significant impact on your heating and cooling system. Investing in whole-home surge protection is a proactive way to help prevent costly 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 evaluate your home’s needs and help you choose a customized solution to protect your home HVAC. In addition to surge protection, we provide all electrical services for the rest of your home.
Find out how surge protection can help protect your HVAC equipment. Schedule service online or call 601-736-7362 today.
Frequently Asked Questions About Whole-Home Surge protection for HVAC
Is a whole-house surge protection beneficial for an HVAC system?
In most cases, yes. Whole-home surge protection is often a smart investment because it helps protect expensive HVAC equipment. Compared with repair costs, installing surge protection is typically much lower than repairing or replacing damaged heating and cooling components, which can help extend the life of your home comfort system.
Can an electrical surge damage an an air conditioning system?
Yes. A power surge can damage your AC unit’s compressor, circuit board and blower motor, resulting in major repairs. Installing AC surge protection can protect your air conditioner from electrical surges by shielding the sensitive HVAC components.
What are the common causes of power surges inside a home?
Lightning strikes, utility grid switching and power outages are among the most common causes of power surges in homes. Power surges may also stem from problems within your home’s electrical system. Repeated minor power surges can gradually wear down HVAC components over time.
What is the average lifespan of a whole-house surge protector?
A whole-house surge protector usually lasts 5 to 10 years, although its lifespan depends on the number and severity of the surges it absorbs. Surge protector systems in properties that experience frequent storms or utility power fluctuations may require replacement sooner.
Does homeowners insurance cover damage caused by power surges?
It can. Homeowners insurance may cover power surge damage, but coverage depends on your policy and the reason for the surge. Because deductibles and coverage vary, surge protection installation is often cost-effective way to avoid paying for preventable and expensive HVAC repairs.
Does whole-home surge protection help protect smart thermostats?
Absolutely. Power surge protection for HVAC helps safeguard smart thermostats and other connected HVAC components from electrical surges. It also helps improve system longevity and reduce the risk of expensive repairs to your home’s heating and cooling equipment.