Many homeowners think power surges occur only 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 power surges inside your home. 

These electric voltage spikes don’t just threaten televisions and computers. They can also cause HVAC electrical damage because current heating and cooling systems rely on highly sensitive electronic components. Thankfully, HVAC surge protection can help safeguard one of your home’s biggest investments and reduce the risk of costly repairs. 

What Are Power Surges  

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

Many people know 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 voltage can also spike when electricity is restored after an outage. Major appliances like refrigerators or air conditioners can also create minor voltage fluctuations when they cycle on and off. Sometimes, loose wiring or other home electrical issues can cause surges. 

Although one major power surge can cause immediate damage, smaller, repeated voltage spikes can slowly wear down HVAC components over time, limiting their lifespan. 

Why Modern HVAC Systems Are More Vulnerable Than Ever 

Modern heating and cooling systems use sophisticated electronics to improve comfort and energy efficiency. Although these technologies offer many benefits, they 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: 

  • Control boards. They serve as the system’s control center and can be damaged by even very small voltage spikes. 
  • Energy-efficient variable-speed motors. Variable speed motors rely on electronic controls that are susceptible to electric surges. 
  • Smart thermostats. Connected thermostats contain delicate electronics that communicate with your HVAC equipment. 
  • Communication systems. Modern heating and cooling systems use electronic communication between indoor and outdoor units for reliable operation. 
  • Variable-capacity inverter technology. Variable-capacity HVAC systems use sophisticated electronics that benefit from 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 reduce the risk of unexpected failures and costly HVAC repair after voltage spike incidents. 

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

  • Control boards:Protecting your HVAC system’s control board safeguards its primary. 
  • Compressors. An HVAC compressor is one of the costliest parts of an air conditioner or heat pump to replace. 
  • Blower motors.Power surges can damage motors that circulate conditioned air throughout your home. 
  • HVACcapacitors. Surges can weaken or damage these components, reducing system startup and performance. 
  • Smartthermostats. These devices may malfunction after repeated voltage spikes. 
  • Electronic heat pump components. Heat pump systems depend on multiple electronic components which are 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 heating and cooling system. For complete HVAC system protection, whole-home surge protection offers broader coverage and lasting value. 

A professionally installed whole-house surge protector is connected at your home’s electrical panel. Unlike devices that protect only one outlet, it can help safeguard major appliances and electronics throughout your entire house, including your heating and cooling equipment. 

Benefits of Whole-Home Surge Protection 

Adding whole-home surge protection is a smart 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. Reducing surge damage can help prevent expensive HVAC repairs. 
  • Longer HVAC equipmentlife. vulnerable technological components experience reduced electrical stress over time when properly protected. 
  • Home electronics protection. In addition to protecting your HVAC, a whole-house surge protector also shields appliances, computers and entertainment systems. 
  • Added confidence during severe weather. You’ll have added confidence when severe weather strikes. 
  • Protectionagainst everyday electrical fluctuations. Small voltage spikes can gradually damage electronic HVAC equipment. 

5 Signs Your Home Could Benefit from Surge Protection 

  1. Regular summer storms. Given the frequent summer storms in Dresden, lightning protection for your HVAC can help lower the risk of electrical surge damage. 
  2. Blackouts or flickering lights. Ongoing power interruptions and electrical fluctuations increase the likelihood of electrical surges. 
  3. Outdated home wiring. Old wiring or obsolete electrical equipment can increase 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 more affordable than repairing or replacing damaged components. 
  5. Smart home devices. Homes with smart thermostats and other connected devices have more sensitive electronics to protect. 

 

Professional Surge Protection Installation Makes a Difference 

Home HVAC surge protection must be installed correctly to provide consistent protection. Choosing licensed HVAC and electrical professionals like the team at McFadden Heating & Cooling helps ensure the surge protection device is properly installed and ready to protect your home HVAC system. 

The skilled professionals at McFadden Heating & Cooling understand the unique electrical needs of modern HVAC equipment and will recommend the right surge protector for your AC, furnace and other home comfort systems. 

Protect Your HVAC Investment Before the Next Power Surge 

Electrical surges aren’t always obvious, but they can have a major impact on your heating and cooling equipment. Adding 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 considering 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 review 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 519-683-2339 today. 

Frequently Asked Questions About Whole-Home Surge protection for HVAC 

Absolutely. Whole-home surge protection is often a smart investment because it helps protect expensive HVAC equipment. The cost of installing surge protection is typically much lower than repairing or replacing damaged furnace or air conditioner components, and it helps extend the life of your home comfort system.

Yes. A power surge can damage your AC unit’s compressor, circuit board and blower motor, which can cause costly repairs. AC surge protection helps protect your air conditioner from power surges by shielding the 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. 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 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.

Yes. Power surge protection for HVAC helps safeguard smart thermostats and other connected HVAC components from damaging voltage spikes. Surge protection may also improve system longevity and reduce the risk of extensive repairs to modern heating and cooling equipment.