Many people think power surges occur only during lightning storms. Although lightning is one cause, it’s certainly not the only one. Utility switching, power outages/restoration and even large appliances cycling on and off can all create voltage spikes inside your home. 

These electrical surges don’t just pose a risk to televisions and computers. These surges can cause HVAC electrical damage because current heating and cooling systems rely on highly sensitive electronic components. Fortunately, HVAC surge protection can help protect one of your home’s biggest investments and reduce the risk of expensive repairs. 

What Are Power Surges  

A power surge in your home is a short spike in electrical voltage running through your home’s wiring. Even though it lasts only a fraction of a second, it still can damage electronic components. 

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

While a single large surge can cause immediate damage, repeated minor surges can slowly wear down HVAC components over time, reducing 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. While these features offer many benefits, they can also make equipment more at risk of damage from voltage spikes, increasing 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. 
  • Variable-speed blower motors. These advanced motors rely on electronic controls that are sensitive to electric surges. 
  • Smart thermostats. Connected thermostats contain delicate electronics that control your HVAC equipment. 
  • 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. Variable-capacity HVAC systems rely on sophisticated electronics that are better protected 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 whole-house surge protection helps minimize the risk of unexpected failures and expensive HVAC repair after power surge incidents. 

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

  • Control boards:Protecting your HVAC system’s control board safeguards its primary. 
  • HVAC 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 that circulate conditioned air throughout your home. 
  • Capacitors. Power surges may weaken or damage these components, reducing system startup and performance. 
  • Thermostats and Smart Home Technology. 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. 

Which is Better for My Home: Whole-Home Surge Protection or Power Strips? 

Many homeowners use surge-protecting power strips for computers and televisions, but these plug-in devices don’t protect your heating and cooling system. For complete HVAC system protection, whole-home surge protection offers broader coverage and long-term value. 

A professionally installed whole-home surge protector is connected at your home’s electrical panel. Instead of regulating electricity to only one outlet, it helps safeguard major appliances and electronics throughout your entire house, including your HVAC equipment. 

Benefits of Whole-Home Surge Protection 

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

Benefits of whole-home HVAC surge protection include: 

  • Lower repair expenses. Preventing surge damage can help avoid expensive HVAC repairs. 
  • Extended HVAC system lifespan. vulnerable technological components experience lower electrical stress over time when equipped with surge protection. 
  • Protection of homeelectronics. In addition to protecting your HVAC, whole-home surge protection also shields appliances, computers and entertainment systems. 
  • Added confidence during severe weather. You’ll have added confidence when severe storms strike your area. 
  • Protection from everyday electrical fluctuations. Even small, routine surges can gradually damage electronic HVAC equipment. 

5 Signs It’s Time to Consider Surge Protection 

  1. Frequent storms. Given the frequent summer storms in Wilmington, lightning protection for your HVAC can help lower the risk of surge-related damage. 
  2. Frequent power outages or flickering lights. Ongoing power interruptions and changing voltage levels increase the likelihood of electrical surges. 
  3. Older electrical systems. Old wiring or outdated electrical equipment can raise your home’s surge risk. 
  4. High-efficiency HVAC equipment. Protecting a high-efficiency heating and cooling system with a surge protector is often less expensive 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 Is Important 

Whole-home surge protection must be professionally installed to provide consistent protection. Working with licensed HVAC and electrical professionals like the team at Ambience HVAC, Inc. helps make sure the surge protection device is properly installed and ready to help protect your home HVAC system. 

The highly trained professionals at Ambience HVAC, Inc. 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 with Whole-Home Surge Protection 

Voltage spikes aren’t always dramatic, but they can have a big impact on your HVAC equipment. 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 considering AC or furnace surge protection, you can count on the team at . Our HVAC services include a 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 provide 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 302-239-HVAC (4822) today. 

Frequently Asked Questions About Whole-Home Surge protection for HVAC 

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

In most cases, yes. Installing whole-home surge protection is often a smart 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. 

Can a power surge damage an an air conditioning system? 

Absolutely. A power surge can damage an air conditioner’s compressor, circuit board and blower motor, resulting in costly repairs. A surge protector for your AC helps protect your air conditioner from electrical fluctuations by preventing the surges from reaching sensitive HVAC components. 

What are the common causes of power surges in a home? 

Lightning strikes, utility grid switching and power outages are among the most common causes of power surges in homes. Another possible cause is problems within your home’s electrical system. Small voltage spikes can gradually wear down HVAC components over time. 

How long does whole-home surge protection last? 

A typical whole-home surge protector lasts about 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 homeowners insurance 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. With policy limits and deductibles varying, surge protection installation is often cost-effective way to avoid paying for preventable and expensive HVAC repairs. 

Does surge protection help protect smart thermostats? 

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