Homeowners often think power surges only happen during lightning storms. Although lightning is one cause, it’s certainly not the only one.  Major appliances turning on and off, electrical grid switching, power outages and restoration can all create voltage spikes inside your home. 

These electric voltage spikes don’t just damage televisions and computers. They can also cause HVAC electrical damage because modern heating and cooling systems rely on advanced electronic components. Fortunately, HVAC surge protection can help shield one of your home’s biggest investments and reduce the risk of expensive repairs. 

What Are Power Surges  

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

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 air conditioners can also create minor voltage fluctuations when they cycle on and off. In some cases, loose wiring or other home electrical issues can cause surges. 

Though a single significant surge can cause immediate damage, repeated minor surges can slowly wear down HVAC components over time, reducing 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. Even though hese advanced features offer many benefits, they also make equipment more vulnerable to damage from voltage spikes, increasing the importance of HVAC electrical protection. 

HVAC parts that are especially sensitive to power surges include: 

  • Control boards. These act 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 vulnerable to electric surges. 
  • Smart thermostats. Smart home devices are made with delicate electronics that control your HVAC equipment. 
  • Electronic communication systems. Today’s HVAC systems rely on electronic communication between indoor and outdoor units for efficient operation. 
  • Inverter-driven technology. Variable-capacity HVAC systems rely on sophisticated electronics that work best with surge protection. 

Which HVAC Components Are Most at Risk? 

Damage from electrical surges can cost hundreds or even thousands to fix. Installing whole-home surge protection helps lower the risk of unexpected failures and major HVAC repair after electrical surge incidents. 

HVAC components most vulnerable to power surges in Greater Richmond include: 

  • Control boards:Protecting your HVAC system’s control board safeguards its primary. 
  • Compressors. This component is one of the highest-priced parts of an air conditioner or heat pump to replace. 
  • Blower motors.Electrical surges can damage motors that circulate conditioned air throughout your home. 
  • HVAC system capacitors. Power surges may weaken or damage these components, affecting system startup and performance. 
  • Thermostats and Smart Home Technology. These devices may malfunction after repeated voltage spikes. 
  • Heat pumpelectronics. Heat pumps rely on multiple electronic components that can be vulnerable to surges. 

Which is Better for My Home: Whole-Home Surge Protection or Power Strips? 

Many homeowners use surge-protecting power strips for computers and televisions, but these plug-in devices don’t protect your furnace or air conditioner. For HVAC system protection, whole-home surge protection offers broader coverage and greater long-term value. 

A professionally installed whole-home surge protector is located 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-Home Surge Protection 

Using whole-home surge protection is an effective way to protect your HVAC investment while also helping safeguard other valuable electronics throughout your home. 

Benefits of whole-house HVAC surge protection include: 

  • Fewer repair costs. Reducing surge damage can help avoid expensive HVAC repairs. 
  • Longer-lasting HVAC equipment. Sensitive components experience less electrical stress over time when equipped with surge protection. 
  • Home electronics protection. In addition to protecting your HVAC, whole-home surge protection also safeguards appliances, computers and entertainment systems. 
  • Greater peace of mind duringstorms. Homeowners gain added confidence when severe weather strikes. 
  • Protection from everyday electrical fluctuations. Even small, routine surges can gradually damage your HVAC system. 

5 Signs Your Home Could Benefit from Surge Protection 

  1. Frequent storms. Given the powerful summer storms in Greater Richmond, lightning protection for your HVAC can help reduce the risk of surge-related damage. 
  2. Frequent power outages or flickering lights. Ongoing power interruptions and changing voltage levels increase the likelihood of electrical surges. 
  3. Aging electrical systems. Old wiring or substandard electrical equipment can increase your home’s surge risk. 
  4. Expensive HVAC equipment. Safeguarding a high-efficiency heating and cooling system with a surge protector is often less expensive than repairing or replacing damaged components. 
  5. Connected home technology. Homes with smart thermostats and other connected devices have additional sensitive electronics to protect. 

 

Expert Surge Protection Installation Is Important 

Whole-home surge protection must be installed correctly to provide consistent protection. Working with licensed HVAC and electrical professionals like the team at Herman Allen Plumbing, Heating & Cooling helps confirm the surge protection device is properly installed and ready to safeguard your home HVAC system. 

The experienced professionals at Herman Allen Plumbing, Heating & Cooling understand the unique electrical needs of modern HVAC equipment and will help you choose the right surge protector for your air conditioning unit, furnace and other home comfort systems. 

Protect Your HVAC Investment Before the Next Power Surge 

Electrical surges aren’t always dramatic, but they can have a significant impact on your HVAC equipment. Installing whole-home surge protection is a smart way to help prevent costly 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 a wide variety of surge protection options, including whole-home surge protection systems. Our professionals will evaluate your home’s needs and suggest a customized solution to protect your home HVAC. Along with surge protection, we provide all electrical services for the rest of your home. 

Learn how surge protection can help protect your HVAC equipment. Schedule service online or call 804-979-2758 today. 

Frequently Asked Questions About HVAC Surge Protection 

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, helping extend the life of your home comfort system.

Absolutely. A power surge can damage an air conditioner’s compressor, circuit board and blower motor, resulting in costly repairs. A surge protector for your AC helps protect your air conditioner from electrical fluctuations by reducing the impact of voltage spikes before they reach 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. They can also result from problems within your home’s electrical system. Repeated minor power surges can gradually wear down HVAC components over time.

A whole-house surge protector usually lasts 5 to 10 years, although actual service life 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.

In some cases, but not all. Homeowners insurance may cover power surge damage, but coverage depends on your policy and the cause of 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.

It can. Power surge protection for HVAC helps shield smart thermostats and other connected HVAC components from damaging voltage spikes. It also helps improve system reliability and reduce the risk of costly repairs to your home’s heating and cooling equipment.