Homeowners often think power surges occur only during lightning storms. While lightning is definitely one cause, it isn’t 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 surges don’t just pose a risk to televisions and computers. They may also cause HVAC electrical damage because current heating and cooling systems rely on sophisticated 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 short spike in electrical voltage running through your home’s wiring. Even though it lasts only a fraction of a second, it may damage home electronics. 

Lightning remains the most well-known cause, but many electrical surges begin much closer to home. Power companies frequently adjust power on the electrical grid, and voltage can also spike when electricity is restored after an outage. Household appliances like refrigerators or AC units can also create small voltage fluctuations when they cycle on and off. In some cases, loose wiring or other home electrical issues can cause surges. 

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

Why Modern HVAC Systems Are More Vulnerable Than Ever 

Modern 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 sensitive to voltage spikes, highlighting the importance of HVAC electrical protection. 

HVAC parts that are especially sensitive to power surges include: 

  • Electronic circuit boards. They function as the system’s control center and can be damaged by even very small voltage spikes. 
  • Energy-efficient variable-speed motors. These energy-saving motors rely on electronic controls that are vulnerable to electric surges. 
  • Smart thermostats. Connected thermostats contain delicate electronics that control your HVAC equipment. 
  • HVAC system communication controls. Modern heating and cooling systems use electronic communication between indoor and outdoor units for efficient operation. 
  • Variable-capacity inverter technology. Variable-capacity HVAC systems use sophisticated electronics that benefit from surge protection. 

Which HVAC Components Are Most Vulnerable to Power Surges? 

Damage from voltage spikes can cost hundreds or even thousands to repair or replace. Installing whole-home surge protection helps minimize the risk of unexpected failures and costly HVAC repair after electrical surge incidents. 

HVAC components most vulnerable to power surges in Moline include: 

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

Comparing Whole-Home Surge Protection to Power Strips 

Many people 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 connected at your home’s electrical panel. Rather than protecting only one outlet, it helps safeguard major appliances and electronics throughout the house, including your HVAC equipment. 

Benefits of Whole-Home Surge Protection 

Installing whole-home surge protection is a proactive way to protect your HVAC investment while helping safeguard other valuable electronics throughout your home. 

Benefits of whole-house HVAC surge protection include: 

  • Lower repair expenses. Preventing surge damage can help prevent expensive HVAC repairs. 
  • Longer HVAC equipmentlife. Electronic HVAC components experience less electrical stress over time when properly protected. 
  • Home electronics protection. In addition to protecting your HVAC, whole-home surge protection also safeguards appliances, computers and entertainment systems. 
  • Added confidence during severe weather. You’ll have added confidence when severe storms strike your area. 
  • Defense against everyday electrical fluctuations. Small voltage spikes can gradually damage connected HVAC devices. 

5 Signs It’s Time to Consider Surge Protection 

  1. Severe weather. Given the frequent summer storms in Moline, lightning protection for your HVAC can help reduce the risk of power surge damage. 
  2. Blackouts or flickering lights. Repeated outages and voltage fluctuations increase the likelihood of electrical surges. 
  3. Outdated home wiring. Old wiring or outdated electrical equipment can increase your home’s surge risk. 
  4. High-efficiency HVAC 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. Connected home technology. Homes with smart thermostats and other connected devices have more sensitive electronics to protect. 

 

Expert Surge Protection Installation Is Important 

Whole-house surge protection must be properly installed to provide dependable protection. Choosing licensed HVAC and electrical professionals like the team at Freed Heating & Air Conditioning helps make sure the surge protection device is properly installed and ready to protect your home HVAC system. 

The experienced professionals at Freed Heating & Air Conditioning understand the specialized electrical needs of modern HVAC equipment and will help you choose 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 dramatic, but they can have a major impact on your heating and cooling equipment. Adding 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 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 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. 

See how surge protection can help safeguard your HVAC equipment. Schedule service online or call 309-762-3641 today. 

Frequently Asked Questions About HVAC Surge Protection 

Is whole-home surge protection worth it for an HVAC system? 

Absolutely. Whole-home surge protection is typically a worthwhile investment because it helps protect expensive HVAC equipment. The cost of installing surge protection is typically much lower than repairing or replacing damaged HVAC components, which can help extend the life of your home comfort system. 

Can a sudden power spike damage an AC unit? 

Absolutely. A power surge can damage your AC unit’s compressor, circuit board and blower motor, which can cause major repairs. A surge protector for your AC helps protect your air conditioner from power surges by shielding the sensitive HVAC components. 

What can cause power surges inside a home? 

Power surges are most commonly caused by 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. 

How long does whole-home surge protection last? 

Most whole-home surge protectors last 5 to 10 years, although actual service life depends on the number and severity of the surges it absorbs. Surge protector systems in properties that experience frequent storms or utility power fluctuations may need replacement sooner. 

Does a homeowners insurance policy cover damage caused by power surges? 

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 help prevent expensive HVAC repairs. 

Will whole-home surge protection help protect smart thermostats? 

It can. Power surge protection for HVAC helps shield smart thermostats and other connected HVAC components from electrical surges. Surge protection may also improve system longevity and reduce the risk of extensive repairs to home heating and cooling equipment.