Homeowners often think power surges only happen during lightning storms. While lightning is definitely one cause, it’s far from 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 electrical surges don’t just damage televisions and computers. They can 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 sudden spike in electrical voltage that travels through your home’s wiring. While it lasts only a fraction of a second, it may damage household electronics, including HVAC equipment. 

Many people know lightning is the most well-known cause, but power surges often occur much closer to home. Electric utility providers routinely switch power on the electrical grid, and power can also surge when electricity is restored after an outage. Major appliances like refrigerators or HVAC systems can also create brief voltage fluctuations when they cycle on and off. It’s also possible that 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 Need More Surge Protection Than Ever 

Many of today’s heating and cooling systems use sophisticated electronics to improve comfort and energy efficiency. Although these technologies offer many benefits, they can also make equipment more sensitive to voltage spikes, increasing the importance of HVAC electrical protection. 

Some of the most vulnerable components to power surges include: 

  • Electronic circuit boards. They serve 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 susceptible to electric surges. 
  • Smart thermostats. A smart thermostat uses delicate electronics that communicate with your HVAC equipment. 
  • Communication systems. Today’s HVAC systems rely on electronic communication between indoor and outdoor units for reliable operation. 
  • Inverter technology. Variable-capacity HVAC systems use sophisticated electronics that work best with surge protection. 

Which HVAC Components Are Most Vulnerable to Power Surges? 

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

HVAC components most vulnerable to power surges in Cedar Rapids include: 

  • Control boards:Installing a whole-house surge protector protects your HVAC control board’s main. 
  • Compressors. An HVAC compressor is one of the costliest 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. 
  • HVACcapacitors. Electrical surges can weaken or damage these components, reducing system startup and performance. 
  • Smartthermostats. A smart thermostat can malfunction after frequent voltage spikes. 
  • Heat pumpelectronics. Heat pumps rely on multiple electronic components that can be vulnerable to surges. 

Comparing Whole-Home Surge Protection to Power Strips 

Many homeowners use surge-protecting power strips for computers and televisions, but power strips don’t protect your HVAC system. For complete HVAC system protection, whole-home surge protection offers more comprehensive 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 your house, including your HVAC equipment. 

Benefits of Whole-Home Surge Protection 

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

Benefits of whole-house HVAC surge protection include: 

  • Reduced repaircosts. Avoiding surge damage can help reduce expensive HVAC repairs. 
  • Longer-lasting HVAC equipment. vulnerable technological components experience less electrical stress over time when properly protected. 
  • Home electronics protection. In addition to protecting your HVAC, whole-home surge protection also shields appliances, computers and entertainment systems. 
  • Greater peace of mind duringstorms. Surge protection provides added confidence when weather-related power outages occur. 
  • Protection from everyday electrical fluctuations. Small voltage spikes can gradually damage connected HVAC devices. 

5 Signs You May Need Surge Protection 

  1. Severe weather. Given the strong summer storms in Cedar Rapids, lightning protection for your HVAC can help minimize the risk of electrical surge damage. 
  2. Frequent power outages or flickering lights. Repeated outages and electrical fluctuations increase the likelihood of damaging voltage spikes. 
  3. Older electrical systems. Old wiring or obsolete electrical equipment can raise your home’s surge risk. 
  4. High-efficiency HVAC equipment. Shielding a high-efficiency heating and cooling system by installing whole-home surge protection is often far less costly 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-house surge protection must be properly installed to provide reliable protection. Choosing licensed HVAC and electrical professionals like the team at Ilten's helps confirm the surge protection device is properly installed and ready to protect your home HVAC system. 

The skilled professionals at Ilten's understand the specific electrical needs of modern HVAC equipment and will identify the right surge protector for your air conditioner, furnace and other home comfort systems. 

Protect Your HVAC Investment from Future Power Surges 

Voltage spikes aren’t always obvious, but they can have a big impact on your heating and cooling system. Installing 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 ready to learn more about AC or furnace surge protection, you can count on the team at . Our HVAC services include a variety of surge protection options, including whole-home protection. Our professionals will review your home’s needs and suggest a customized solution to protect your home HVAC. Along with 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 319-343-5158 today. 

Frequently Asked Questions About HVAC Surge Protection 

In most cases, 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 heating and cooling components, which can help 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 major repairs. AC surge protection helps protect your air conditioner from power surges 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. Another possible cause is problems within your home’s electrical system. Repeated minor power surges can gradually wear down HVAC components over time.

Most whole-home surge protectors last 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.

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 protect your pocketbook from expensive HVAC repairs.

It can. Power surge protection for HVAC helps safeguard smart thermostats and other connected HVAC components from power surges. It also helps improve system performance and reduce the risk of extensive repairs to your home’s heating and cooling equipment.