Many homeowners think power surges only happen during lightning storms. While lightning is one cause, it’s certainly not the only one. Utility grid activity, restoring power after outages and large household appliances cycling can all create voltage spikes inside your home.
These electric voltage spikes don’t just threaten televisions and computers. These surges can cause HVAC electrical damage because modern heating and cooling systems rely on advanced electronic components. The good news is HVAC surge protection can help protect 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 sudden spike in electrical voltage in your home’s wiring. While it lasts only a fraction of a second, it can damage electronic components.
Many people know lightning is the most well-known cause, but power surges often occur much closer to home. Power companies frequently adjust power on the electrical grid, and power can also surge when electricity is restored after an outage. Large appliances like refrigerators or air conditioners can also create brief voltage fluctuations when they cycle on and off. Sometimes, loose wiring or other home electrical issues lead to surges.
While a single large surge can cause immediate damage, smaller surges can slowly wear down heating and cooling equipment over time, shortening their lifespan.
Why Modern HVAC Systems Require Better Surge Protection
Today’s heating and cooling systems use advanced electronics to improve comfort and energy efficiency. Although these technologies offer many benefits, they can make equipment more sensitive to voltage spikes, highlighting the importance of HVAC electrical protection.
HVAC parts that are especially sensitive to power surges include:
- Circuit boards. They serve as the system’s control center and can be damaged by even very small voltage spikes.
- Variable-speed motors. These advanced motors rely on electronic controls that are sensitive 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 reliable operation.
- Inverter-driven technology. Variable-capacity HVAC systems use sophisticated electronics that work best with surge protection.
Which HVAC Components Need the Most Protection?
Damage from electrical surges can cost hundreds or even more to fix. Installing electrical surge protection helps reduce the risk of unexpected failures and major HVAC repair after power surge incidents.
HVAC components most vulnerable to power surges in Carson City include:
- Control boards:The HVAC system’s control board contains essential operating controls, which can be badly damaged by surges.
- 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, reducing system startup and performance.
- Thermostats and Smart Home Technology. Electronic thermostats can malfunction after repeated voltage spikes.
- Electronic heat pump components. Heat pump systems depend on multiple electronic components that can be vulnerable to surges.
Whole-Home Surge Protection vs. Power Strips
Homeowners commonly use surge-protecting power strips for computers and televisions, but these plug-in devices don’t protect your furnace or air conditioner. To provide complete HVAC system protection, whole-home surge protection offers greater coverage and long-term value.
A professionally installed whole-home surge protector is connected at your home’s electrical panel. Unlike devices that protect only one outlet, it helps safeguard major appliances and electronics throughout the house, including your HVAC system.
Benefits of Whole-House Surge Protection
Installing whole-home surge protection is an effective way to protect your HVAC investment while also working to safeguard other valuable electronics throughout your home.
Benefits of whole-home HVAC surge protection include:
- Lower repair expenses. Preventing surge damage can help reduce expensive HVAC repairs.
- Extended HVAC system lifespan. Sensitive components experience lower electrical stress over time when properly protected.
- Protection of homeelectronics. In addition to protecting your HVAC, a whole-home surge protector also safeguards appliances, computers and entertainment systems.
- Greater peace of mind duringstorms. Homeowners gain added confidence when weather-related power outages occur.
- Protectionagainst everyday electrical fluctuations. Even small, routine surges can gradually damage electronic HVAC equipment.
5 Signs It’s Time to Consider Surge Protection
- Regular summer storms. Given the powerful summer storms in Carson City, lightning protection for your HVAC can help minimize the risk of surge-related damage.
- Power outages or flickering lights. Ongoing power interruptions and voltage fluctuations increase the likelihood of power surges.
- Older electrical systems. Old wiring or substandard electrical equipment can increase your home’s surge risk.
- High-efficiency HVAC equipment. Safeguarding a high-efficiency heating and cooling system with a surge protector is often far less costly than repairing or replacing damaged components.
- Smart home devices. Homes with connected thermostats and other connected devices have even more sensitive electronics to protect.
Expert Surge Protection Installation Is Important
Whole-house surge protection must be properly installed to provide consistent protection. Choosing licensed HVAC and electrical professionals like the team at Anderson Heating & A/C helps ensure the surge protection device is properly installed and ready to safeguard your home HVAC system.
The experienced professionals at Anderson Heating & A/C understand the specialized electrical needs of modern HVAC equipment and will recommend the right surge protector for your air conditioning unit, furnace and other home comfort systems.
Protect Your HVAC Investment from Future Power Surges
Voltage spikes aren’t always dramatic, but they can have a significant impact on your heating and cooling equipment. Investing in 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 comprehensive surge protection options, including whole-house surge protectors. Our professionals will evaluate your home’s needs and recommend a setup to protect your home HVAC. In addition to surge protection, we offer all electrical services for the rest of your home.
See how surge protection can help safeguard your HVAC equipment. Schedule service online or call 775-882-8154 today.
Frequently Asked Questions About HVAC Surge Protection
Is HVAC surge protection a good investment?
In most cases, yes. Whole-home surge protection is often worth the investment because it helps protect expensive HVAC equipment. Compared with repair costs, installing surge protection is typically much lower than repairing or replacing damaged furnace or air conditioner components, which can help extend the life of your home comfort system.
Can a sudden power spike damage an an air conditioning system?
Yes. A power surge can damage your AC unit’s compressor, circuit board and blower motor, resulting in costly repairs. A surge protector for your AC helps protect your air conditioner from electrical surges by reducing the impact of voltage spikes before they reach sensitive HVAC components.
What causes power surges throughout a home?
The most common sources of power surges include lightning strikes, utility grid switching, power outages, power restoration and large appliances cycling on and off. Power surges may also stem from problems within your home’s electrical system. Small voltage spikes can gradually wear down HVAC components over time.
How long does whole-home surge protection last?
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 need replacement sooner.
Does a homeowners insurance policy cover power surge repairs?
It can. Homeowners insurance sometimes cover power surge damage, but coverage depends on your policy and the cause of the surge. Since coverage and deductibles differ, surge protection installation is often cost-effective way to avoid paying for preventable and expensive HVAC repairs.
Can surge protection help protect smart thermostats?
Absolutely. Power surge protection for HVAC helps safeguard smart thermostats and other connected HVAC components from electrical surges. Surge protection may also improve system performance and reduce the risk of extensive repairs to home heating and cooling equipment.