Many homeowners think power surges occur only during lightning storms. Although 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 electrical surges inside your home. 

These electric voltage spikes don’t just pose a risk to televisions and computers. They can also cause HVAC electrical damage because modern 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 Is a Power Surge  

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

Lightning is the most well-known cause, but many surges happen much closer to home. Utility companies regularly switch power on the electrical grid, and voltage can also spike when electricity is restored after an outage. Large appliances like refrigerators or HVAC systems can also create small voltage fluctuations when they cycle on and off. In some cases, loose wiring or other home electrical issues contribute to surges. 

Although one major power surge can cause immediate damage, smaller, repeated voltage spikes can slowly wear down heating and air conditioning systems over time, reducing 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. Even though hese advanced features offer many benefits, they can 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: 

  • Control boards. These act as the system’s control center and can be damaged by even very small voltage spikes. 
  • Variable-speed blower motors. These energy-saving motors rely on electronic controls that are susceptible to electric surges. 
  • Smart thermostats. A smart thermostat uses delicate electronics that control your HVAC equipment. 
  • HVAC system communication controls. Today’s HVAC systems rely on electronic communication between indoor and outdoor units for energy-efficient operation. 
  • Variable-capacity inverter technology. Variable-capacity HVAC systems rely on sophisticated electronics that are better protected with surge protection. 

Which HVAC Components Are Most Vulnerable to Power Surges? 

Damage from voltage spikes can cost hundreds or even more to repair or replace. Installing electrical surge protection helps reduce the risk of unexpected failures and expensive HVAC repair after voltage spike incidents. 

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

  • Control boards:The HVAC system’s control board contains essential operating controls, which can be badly damaged by surges. 
  • Compressors. This component is one of the costliest parts of an air conditioner or heat pump to replace. 
  • Blower motors.Electrical surges can damage motors responsible for circulating conditioned air throughout your home. 
  • HVACcapacitors. Power surges may weaken or damage these components, affecting system startup and performance. 
  • Thermostats and Smart Home Technology. Electronic thermostats can malfunction after repeated voltage spikes. 
  • Electronic heat pump components. Heat pumps rely on multiple electronic components that are particularly vulnerable to surges. 

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

Many people use surge-protecting power strips for computers and televisions, but these plug-in devices don’t protect your HVAC system. To provide complete HVAC system protection, whole-home surge protection offers greater coverage and greater long-term value. 

A professionally installed whole-home surge protector is set up right at your home’s electrical panel. Rather than protecting only one outlet, it can help 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 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: 

  • Lower repair expenses. Preventing surge damage can help reduce expensive HVAC repairs. 
  • Extended HVAC system lifespan. Sensitive components experience reduced electrical stress over time when properly protected. 
  • Protection of homeelectronics. In addition to protecting your HVAC, a whole-house surge protector also safeguards appliances, computers and entertainment systems. 
  • Less stress during storms. Homeowners gain added confidence when weather-related power outages occur. 
  • Protectionagainst everyday electrical fluctuations. Minor electrical surges can gradually damage electronic HVAC equipment. 

5 Signs Your Home Could Benefit from Surge Protection 

  1. Regular summer storms. Given the strong summer storms in Columbus, lightning protection for your HVAC can help minimize the risk of power surge damage. 
  2. Frequent power outages or flickering lights. Ongoing power interruptions and voltage fluctuations increase the likelihood of power surges. 
  3. Aging electrical systems. Old wiring or substandard electrical equipment can increase your home’s surge risk. 
  4. Modern heating and cooling equipment. Safeguarding 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 additional sensitive electronics to protect. 

 

Why Professional Surge Protection Installation Makes a Difference 

Whole-house surge protection must be professionally installed to provide dependable protection. Choosing licensed HVAC and electrical professionals like the team at Classic Air helps confirm the surge protection device is properly installed and ready to protect your home HVAC system. 

The experienced professionals at Classic Air understand the specific 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 

Power surges aren’t always obvious, but they can have a significant impact on your heating and cooling system. Installing whole-home surge protection is an effective way to help prevent major repairs, extend equipment life and improve the reliability of your HVAC system. 

If you’re interested in 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 assess your home’s needs and help you choose a customized solution 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 614-739-1627 today. 

Frequently Asked Questions About HVAC Surge Protection 

Absolutely. 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 heating and cooling components, helping extend the life of your home comfort system.

It can. A power surge can damage an air conditioning compressor, circuit board and blower motor, resulting in costly repairs. Installing AC surge protection can protect your air conditioner from electrical fluctuations by reducing the impact of voltage spikes before they reach sensitive HVAC components.

Lightning strikes, utility grid switching and power outages are among the most common causes of power surges in homes. Another possible cause is problems within your home’s electrical system. Small voltage spikes can gradually wear down HVAC components over time.

A typical whole-home surge protector lasts about 5 to 10 years, although that depends on the number and severity of the surges it absorbs. Surge protector systems in a home that has frequent storms or utility power fluctuations may need replacement sooner.

It can. Homeowners insurance sometimes cover power surge damage, but coverage depends on your policy and what caused the surge. Since coverage and deductibles differ, surge protection installation is often a smart way to protect your pocketbook from expensive HVAC repairs.

Yes. Power surge protection for HVAC helps shield smart thermostats and other connected HVAC components from power surges. It also helps improve system lifespan and reduce the risk of extensive repairs to modern heating and cooling equipment.