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

These surges don’t just threaten televisions and computers. They can also cause HVAC electrical damage because current 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 major repairs. 

What Is a Power Surge  

A home power surge is a sudden spike in electrical voltage running through your home’s wiring. While it lasts only a fraction of a second, it can damage electronic components. 

Lightning remains 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. Sometimes, loose wiring or other home electrical issues contribute to surges. 

Although one major power surge can cause immediate damage, repeated minor surges can slowly wear down heating and cooling equipment over time, shortening their lifespan. 

Why Modern HVAC Systems Require Better Surge Protection 

Many of 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 at risk of damage from voltage spikes, highlighting the importance of HVAC electrical protection. 

Some of the most vulnerable components to power surges include: 

  • Electronic circuit boards. These act as the system’s control center and can be damaged by even minimal voltage spikes. 
  • Energy-efficient variable-speed motors. These advanced 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. 
  • Electronic 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 use sophisticated electronics that benefit from surge protection. 

Which HVAC Components Need the Most Protection? 

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

HVAC components most commonly affected by power surges in Oxford include: 

  • Control boards:Installing a whole-house surge protector protects your HVAC control board’s main. 
  • Airconditioner compressors. An HVAC compressor is one of the most expensive 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. Surges can weaken or damage these components, impacting system startup and performance. 
  • Smartthermostats. A smart thermostat can malfunction after repeated voltage spikes. 
  • Heat pump control electronics. Heat pumps rely on multiple electronic components which are vulnerable to surges. 

Whole-Home Surge Protection vs. Power Strips 

Many people use surge-protecting power strips for computers and televisions, but power strips don’t protect your HVAC system. To provide complete HVAC system protection, whole-home surge protection offers broader coverage and lasting value. 

A professionally installed whole-home surge protector is connected 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 equipment. 

Benefits of Whole-Home Surge Protection 

Using whole-home surge protection is a proactive 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. Avoiding surge damage can help avoid expensive HVAC repairs. 
  • Longer HVAC equipmentlife. Sensitive components experience reduced electrical stress over time when properly protected. 
  • Protection for household electronics. In addition to protecting your HVAC, a whole-home surge protector also safeguards 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. Even small, routine surges can gradually damage electronic HVAC equipment. 

5 Signs It’s Time to Consider Surge Protection 

  1. Regular summer storms. Given the frequent summer storms in Oxford, lightning protection for your HVAC can help lower the risk of surge-related damage. 
  2. Power outages or flickering lights. Ongoing power interruptions and changing voltage levels increase the likelihood of damaging voltage spikes. 
  3. Older electrical systems. Old wiring or obsolete electrical equipment can increase your home’s surge risk. 
  4. Modern heating and cooling equipment. Shielding a high-efficiency heating and cooling system with a surge protector is often more affordable than repairing or replacing damaged components. 
  5. Smart home devices. Homes with Wi-Fi thermostats and other connected devices have even more sensitive electronics to protect. 

 

Expert Surge Protection Installation Matters 

Home HVAC surge protection must be installed correctly to provide reliable protection. Hiring licensed HVAC and electrical professionals like the team at Franklin's Heating & Air Conditioning, Inc helps make sure the surge protection device is properly installed and ready to help protect your home HVAC system. 

The experienced professionals at Franklin's Heating & Air Conditioning, Inc 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 Before the Next Power Surge 

Voltage spikes aren’t always obvious, but they can have a significant impact on your HVAC equipment. Investing in whole-home surge protection is a smart way to help prevent expensive 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 suggest a setup 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 safeguard your HVAC equipment. Schedule service online or call 662-281-1231 today. 

Frequently Asked Questions About HVAC Surge Protection 

In most cases, yes. Installing whole-home surge protection is typically a worthwhile investment because it helps protect expensive HVAC equipment. Installing surge protection is typically much lower than repairing or replacing damaged furnace or air conditioner components, helping extend the life of your home comfort system.

Yes. A power surge can damage your AC unit’s compressor, circuit board and blower motor, leading to 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.

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. Small voltage spikes 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 need replacement sooner.

It can. Homeowners insurance can 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 cost-effective way to avoid paying for preventable and expensive HVAC repairs.

Absolutely. Power surge protection for HVAC helps protect smart thermostats and other connected HVAC components from damaging voltage spikes. It also helps improve system performance and reduce the risk of expensive repairs to modern heating and cooling equipment.