Many people think power surges only happen 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 electrical surges don’t just threaten televisions and computers. They may also cause HVAC electrical damage because modern heating and cooling systems rely on highly sensitive electronic components. Thankfully, 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 power surge in your home 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 power surges often occur 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 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, smaller surges 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. Even though hese advanced features offer many benefits, they can make equipment more vulnerable to damage from voltage spikes, highlighting 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 minimal voltage spikes. 
  • Variable-speed blower motors. Variable speed motors rely on electronic controls that are susceptible to electric surges. 
  • Smart thermostats. A smart thermostat uses delicate electronics that automatically adjust 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. Systems with variable-capacity operation use sophisticated electronics that work best with surge protection. 

Which HVAC Components Are Most at Risk? 

Damage from electrical surges can cost hundreds or even thousands of dollars to fix. Installing electrical surge protection helps minimize the risk of unexpected failures and costly HVAC repair after power surge incidents. 

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

  • Control boards:Protecting your HVAC system’s control board safeguards its primary. 
  • HVAC compressors. The compressor is one of the most expensive parts of an air conditioner or heat pump to replace. 
  • Blower motors.Voltage spikes can damage motors used to move conditioned air throughout your home. 
  • HVAC system capacitors. Electrical 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. Modern heat pumps use 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 those devices don’t protect your furnace or air conditioner. For HVAC system protection, whole-home surge protection offers more comprehensive coverage and greater long-term value. 

A professionally installed whole-house 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 house, including your HVAC equipment. 

Benefits of Whole-Home HVAC Surge Protection 

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

Benefits of whole-house HVAC surge protection include: 

  • Reduced repaircosts. Reducing surge damage can help avoid expensive HVAC repairs. 
  • Longer HVAC equipmentlife. vulnerable technological components experience lower electrical stress over time when properly protected. 
  • Protection for household electronics. In addition to protecting your HVAC, a whole-house surge protector also shields appliances, computers and entertainment systems. 
  • Less stress during storms. Surge protection provides added confidence when severe weather strikes. 
  • Defense against everyday electrical fluctuations. Small voltage spikes can gradually damage your HVAC system. 

5 Signs It’s Time to Consider Surge Protection 

  1. Frequent storms. Given the frequent summer storms in Fenton, lightning protection for your HVAC can help reduce the risk of surge-related damage. 
  2. Blackouts or flickering lights. Ongoing power interruptions and electrical fluctuations increase the likelihood of power surges. 
  3. Outdated home wiring. Old wiring or substandard electrical equipment can increase 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 more affordable than repairing or replacing damaged components. 
  5. Smart home devices. Homes with connected 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 reliable protection. Hiring licensed HVAC and electrical professionals like the team at Comfort Solutions Heating & Cooling helps ensure the surge protection device is properly installed and ready to safeguard your home HVAC system. 

The highly trained professionals at Comfort Solutions Heating & Cooling understand the specific electrical needs of modern HVAC equipment and will identify the right surge protector for your AC, furnace and other home comfort systems. 

Protect Your HVAC Investment Before the Next Power Surge 

Power surges aren’t always obvious, but they can have a big impact on your HVAC system. Adding whole-home surge protection is a smart way to help prevent major 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 a wide variety of surge protection options, including whole-home protection. Our professionals will review your home’s needs and help you choose a customized solution to protect your home HVAC. Along with surge protection, we offer all electrical services for the rest of your home. 

See how surge protection can help protect your HVAC equipment. Schedule service online or call 314-237-1100 today. 

Frequently Asked Questions About HVAC Surge Protection 

In most cases, 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 HVAC components, helping extend the life of your home comfort system.

It can. A power surge can damage an air conditioning compressor, circuit board and blower motor, resulting in major repairs. A surge protector for your AC 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. 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 typical whole-home surge protector lasts about 5 to 10 years, although its lifespan 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.

In some cases, but not all. Homeowners insurance may cover power surge damage, but coverage depends on your policy and what caused the surge. Because deductibles and coverage vary, surge protection installation is often a smart way to help prevent expensive HVAC repairs.

Yes. Power surge protection for HVAC helps shield smart thermostats and other connected HVAC components from power surges. It also helps improve system reliability and reduce the risk of extensive repairs to modern heating and cooling equipment.