Homeowners often think power surges are limited to lightning storms. While lightning is definitely one cause, it’s far from the only one. Utility grid activity, restoring power after outages and large household appliances cycling 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 modern heating and cooling systems rely on advanced electronic components. Fortunately, HVAC surge protection can help safeguard one of your home’s biggest investments and reduce the risk of major repairs. 

What Is a Power Surge  

A home power surge is a brief spike in electrical voltage in your home’s wiring. Although it lasts only a fraction of a second, it can damage home electronics. 

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

Though a single significant 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 Require Better Surge Protection 

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

Some of the most at-risk HVAC components to power surges include: 

  • Electronic circuit boards. They serve as the system’s control center and can be damaged by even brief or small voltage spikes. 
  • Variable-speed motors. These advanced motors rely on electronic controls that are vulnerable to electric surges. 
  • Smart thermostats. Smart home devices are made with delicate electronics that communicate with your HVAC equipment. 
  • Electronic communication systems. Many newer heating and air conditioning systems use electronic communication between indoor and outdoor units for energy-efficient operation. 
  • Variable-capacity inverter technology. Systems with variable-capacity operation 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-house surge protection helps minimize the risk of unexpected failures and expensive HVAC repair after electrical surge incidents. 

HVAC components that are frequently damaged by power surges in Bridgeport include: 

  • Control boards:Installing a whole-house surge protector protects your HVAC control board’s main. 
  • Airconditioner compressors. This component 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. 
  • HVACcapacitors. Electrical surges can weaken or damage these components, reducing system startup and performance. 
  • Smartthermostats. Electronic thermostats can malfunction after multiple voltage spikes. 
  • Heat pump control electronics. Heat pumps rely on multiple electronic components that are particularly vulnerable to surges. 

Comparing Whole-Home Surge Protection to Power Strips 

Homeowners commonly 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 lasting value. 

A professionally installed whole-house surge protector is connected at your home’s electrical panel. Rather than protecting only one outlet, the system helps safeguard major appliances and electronics throughout your entire house, including your heating and cooling equipment. 

Benefits of Whole-Home Surge Protection 

Installing 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-house HVAC surge protection include: 

  • Fewer repair costs. Avoiding surge damage can help reduce expensive HVAC repairs. 
  • Longer HVAC equipmentlife. Sensitive components experience reduced electrical stress over time when equipped with surge protection. 
  • Home electronics protection. In addition to protecting your HVAC, a whole-house surge protector also shields appliances, computers and entertainment systems. 
  • Greater peace of mind duringstorms. Surge protection provides added confidence when weather-related power outages occur. 
  • Defense against everyday electrical fluctuations. Minor electrical surges 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 Bridgeport, lightning protection for your HVAC can help reduce the risk of electrical surge damage. 
  2. Blackouts or flickering lights. Ongoing power interruptions and changing voltage levels increase the likelihood of damaging voltage spikes. 
  3. Older electrical systems. Old wiring or substandard electrical equipment can add to your home’s surge risk. 
  4. Expensive HVAC equipment. Protecting a high-efficiency heating and cooling system with a surge protector is often more affordable than repairing or replacing damaged components. 
  5. Connected home technology. Homes with Wi-Fi thermostats and other connected devices have additional sensitive electronics to protect. 

 

Why Professional Surge Protection Installation Makes a Difference 

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

The highly trained professionals at Custom Air Systems 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 from Future Power Surges 

Voltage spikes aren’t always obvious, but they can have a big impact on your heating and cooling system. Adding whole-home surge protection is a smart 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 a wide variety of surge protection options, including whole-house surge protectors. Our professionals will evaluate your home’s needs and recommend a customized solution to protect your home HVAC. Along with surge protection, we offer all electrical services for the rest of your home. 

Learn how surge protection can help protect your HVAC equipment. Schedule service online or call (203) 333-1906 today. 

Frequently Asked Questions About HVAC Surge Protection 

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

In most cases, yes. Whole-house 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, helping extend the life of your home comfort system. 

Can a sudden power spike damage an air conditioner? 

Absolutely. A power surge can damage an air conditioner’s compressor, circuit board and blower motor, which can cause expensive repairs. Installing AC surge protection can protect your air conditioner from power surges by shielding the 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. Repeated minor power surges can gradually wear down HVAC components over time. 

How long does a whole-home surge protector last? 

A typical whole-home surge protector lasts about 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 power surge repairs? 

In some cases, but not all. Homeowners insurance sometimes 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 avoid paying for preventable and expensive HVAC repairs. 

Will a surge protector help protect smart thermostats? 

It can. Power surge protection for HVAC helps protect smart thermostats and other connected HVAC components from damaging voltage spikes. It can also improve system performance and reduce the risk of costly repairs to home heating and cooling equipment.