Many homeowners think power surges only happen during lightning storms. While 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 electrical surges don’t just damage televisions and computers. These surges can cause HVAC electrical damage because current heating and cooling systems rely on advanced electronic components. The good news is HVAC surge protection can help protect one of your home’s biggest investments and reduce the risk of expensive 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 may damage household electronics, including HVAC equipment. 

Many people know 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 power can also surge when electricity is restored after an outage. Household appliances like refrigerators or air conditioners can also create minor voltage fluctuations when they cycle on and off. It’s also possible that loose wiring or other home electrical issues can cause surges. 

While a single large surge can cause immediate damage, smaller, repeated voltage spikes can slowly wear down heating and air conditioning systems 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 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: 

  • Electronic circuit boards. These act as the system’s control center and can be damaged by even brief or small voltage spikes. 
  • Energy-efficient variable-speed motors. These advanced motors rely on electronic controls that are susceptible to electric surges. 
  • Smart thermostats. A smart thermostat uses delicate electronics that control your HVAC equipment. 
  • Electronic communication systems. Many newer heating and air conditioning systems use electronic communication between indoor and outdoor units for reliable operation. 
  • Variable-capacity inverter technology. Systems with variable-capacity operation use 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 thousands of dollars to repair or replace. Installing whole-house surge protection helps reduce the risk of unexpected failures and major HVAC repair after electrical surge incidents. 

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

  • Control boards:Protecting your HVAC system’s control board safeguards its primary. 
  • Airconditioner compressors. An HVAC compressor is one of the highest-priced parts of an air conditioner or heat pump to replace. 
  • Blower motors.Voltage spikes can damage motors responsible for circulating conditioned air throughout your home. 
  • Capacitors. Electrical surges can weaken or damage these components, affecting system startup and performance. 
  • Smartthermostats. These devices may malfunction after repeated voltage spikes. 
  • Electronic heat pump components. Modern heat pumps use multiple electronic components which are vulnerable to surges. 

Comparing Whole-Home Surge Protection to Power Strips 

Homeowners commonly use surge-protecting power strips for computers and televisions, but these plug-in devices don’t protect your furnace or air conditioner. For complete HVAC system protection, whole-home surge protection offers broader coverage and long-term value. 

A professionally installed whole-home surge protector is located at your home’s electrical panel. Instead of regulating electricity to only one outlet, it can help safeguard major appliances and electronics throughout your 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 helping safeguard other valuable electronics throughout your home. 

Benefits of whole-home HVAC surge protection include: 

  • Fewer repair costs. Preventing surge damage can help reduce expensive HVAC repairs. 
  • Extended HVAC system lifespan. Sensitive components experience reduced 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. 
  • Greater peace of mind duringstorms. You’ll have added confidence when weather-related power outages occur. 
  • Defense against everyday electrical fluctuations. Minor electrical surges can gradually damage connected HVAC devices. 

5 Signs You May Need Surge Protection 

  1. Severe weather. Given the frequent summer storms in Cedar Rapids, lightning protection for your HVAC can help lower the risk of power surge damage. 
  2. Power outages or flickering lights. Repeated outages and electrical fluctuations increase the likelihood of damaging voltage spikes. 
  3. Aging electrical systems. Old wiring or substandard electrical equipment can raise your home’s surge risk. 
  4. Expensive HVAC equipment. Protecting 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 Wi-Fi thermostats and other connected devices have more sensitive electronics to protect. 

 

Professional Surge Protection Installation Is Important 

Home HVAC surge protection must be professionally installed to provide reliable protection. Hiring licensed HVAC and electrical professionals like the team at Ilten's helps ensure the surge protection device is properly installed and ready to help protect your home HVAC system. 

The skilled professionals at Ilten's 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 

Electrical surges 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 expensive 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 comprehensive surge protection options, including whole-home protection. Our professionals will review your home’s needs and recommend a customized solution to protect your home HVAC. Beyond 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 319-343-5158 today. 

Frequently Asked Questions About Whole-Home Surge protection for HVAC 

Is a whole-house surge protection beneficial for an HVAC system? 

Yes. Whole-home surge protection is often worth the investment because it helps protect expensive HVAC equipment. Compared with repair costs, 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. 

Can a power surge damage an an air conditioning system? 

Yes. A power surge can damage your AC unit’s compressor, circuit board and blower motor, which can cause major repairs. Installing AC surge protection can protect your air conditioner from electrical fluctuations by preventing the surges from reaching sensitive HVAC components. 

What can cause power surges throughout 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. They can also result from problems within your home’s electrical system. Small voltage spikes can gradually wear down HVAC components over time. 

How long does a whole-home surge protector last? 

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 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 depends. 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. 

Can surge protection help protect smart thermostats? 

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