Many people 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 electric voltage spikes don’t just damage televisions and computers. These surges can cause HVAC electrical damage because current heating and cooling systems rely on advanced electronic components. The good news is HVAC surge protection can help shield one of your home’s biggest investments and reduce the risk of expensive repairs. 

What Is a Power Surge  

A power surge is a brief spike in electrical voltage in your home’s wiring. Although it lasts only a fraction of a second, it can damage home electronics. 

Many people know lightning is the most well-known cause, but many surges happen much closer to home. Electric utility providers routinely switch power on the electrical grid, and power can also surge when electricity is restored after an outage. Large appliances like refrigerators or AC units can also create minor voltage fluctuations when they cycle on and off. It’s also possible that loose wiring or other home electrical issues contribute to surges. 

While a single large surge can cause immediate damage, repeated minor surges can slowly wear down heating and air conditioning systems over time, limiting their lifespan. 

Why Modern HVAC Systems Are More Vulnerable Than Ever 

Many of today’s heating and cooling systems use high-tech electronics to improve comfort and energy efficiency. Although these technologies offer many benefits, they can also make equipment more at risk of damage from voltage spikes, increasing 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 advanced motors rely on electronic controls that are susceptible to electric surges. 
  • Smart thermostats. Connected thermostats contain delicate electronics that automatically adjust your HVAC equipment. 
  • Electronic communication systems. Modern heating and cooling systems use electronic communication between indoor and outdoor units for efficient operation. 
  • Inverter-driven technology. Systems with variable-capacity operation use sophisticated electronics that work best with surge protection. 

Which HVAC Components Need the Most Protection? 

Damage from voltage spikes can cost hundreds or even more to repair. Installing whole-home surge protection helps lower the risk of unexpected failures and major HVAC repair after power surge incidents. 

HVAC components that are frequently damaged by power surges in Fayetteville include: 

  • Control boards:The HVAC system’s control board contains essential operating controls, which can be badly damaged by surges. 
  • Airconditioner 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 responsible for circulating conditioned air throughout your home. 
  • HVACcapacitors. Electrical surges can weaken or damage these components, reducing system startup and performance. 
  • Thermostats and Smart Home Technology. Electronic thermostats can malfunction after repeated voltage spikes. 
  • Heat pumpelectronics. Heat pumps rely on 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 those devices don’t protect your furnace or air conditioner. For complete HVAC system protection, whole-home surge protection offers more comprehensive coverage and lasting value. 

A professionally installed whole-home surge protector is located at your home’s electrical panel. Instead of regulating electricity to only one outlet, it helps safeguard major appliances and electronics throughout your entire house, including your HVAC system. 

Benefits of Whole-Home HVAC Surge Protection 

Using 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-home HVAC surge protection include: 

  • Reduced repaircosts. Preventing surge damage can help avoid expensive HVAC repairs. 
  • Extended HVAC system lifespan. vulnerable technological components experience reduced electrical stress over time when protected correctly. 
  • Home electronics protection. In addition to protecting your HVAC, a whole-home surge protector also helps protect appliances, computers and entertainment systems. 
  • Added confidence during severe weather. You’ll have added confidence when weather-related power outages occur. 
  • Protection from everyday electrical fluctuations. Small voltage spikes can gradually damage your HVAC system. 

5 Signs It’s Time to Consider Surge Protection 

  1. Severe weather. Given the strong summer storms in Fayetteville, lightning protection for your HVAC can help reduce the risk of power surge damage. 
  2. Frequent power outages or flickering lights. Frequent outages and electrical fluctuations increase the likelihood of electrical surges. 
  3. Outdated home wiring. Old wiring or outdated electrical equipment can raise your home’s surge risk. 
  4. Modern heating and cooling equipment. Protecting a high-efficiency heating and cooling system with a surge protector is often far less costly than repairing or replacing damaged components. 
  5. Smart home devices. Homes with smart thermostats and other connected devices have more sensitive electronics to protect. 

 

Why Professional Surge Protection Installation Is Important 

Whole-house surge protection must be installed correctly to provide consistent protection. Choosing licensed HVAC and electrical professionals like the team at Blackwell Heating & AC helps ensure the surge protection device is properly installed and ready to safeguard your home HVAC system. 

The highly trained professionals at Blackwell Heating & AC understand the specialized electrical needs of modern HVAC equipment and will help you choose the right surge protector for your air conditioner, furnace and other home comfort systems. 

Protect Your HVAC Investment from Future Power Surges 

Electrical surges aren’t always dramatic, but they can have a major impact on your HVAC equipment. Investing in whole-home surge protection is a proactive way to help prevent major repairs, extend equipment life and improve the reliability of your HVAC system. 

If you’re ready to learn more about AC or furnace surge protection, you can count on the team at . Our HVAC services include comprehensive surge protection options, including whole-home surge protection systems. Our professionals will assess your home’s needs and recommend a setup to protect your home HVAC. Along with surge protection, we provide all electrical services for the rest of your home. 

See how surge protection can help safeguard your HVAC equipment. Schedule service online or call 910-483-4696 today. 

Frequently Asked Questions About HVAC Surge Protection 

In most cases, yes. Installing 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.

Yes. A power surge can damage an air conditioning compressor, circuit board and blower motor, resulting in expensive repairs. A surge protector for your AC helps protect your air conditioner from electrical fluctuations by preventing the surges from reaching sensitive HVAC components.

The most common sources of power surges include 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. Even small, repeated surges can gradually wear down HVAC components over time.

A whole-house surge protector usually lasts 5 to 10 years, although that 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 need replacement sooner.

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 protect your pocketbook from expensive HVAC repairs.

It can. Power surge protection for HVAC helps shield smart thermostats and other connected HVAC components from electrical surges. It also helps improve system performance and reduce the risk of costly repairs to modern heating and cooling equipment.