Homeowners often think power surges only happen during lightning storms. While lightning is definitely one cause, it isn’t 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. These surges can 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 expensive repairs. 

What Is a Power Surge  

A home power surge is a sudden spike in electrical voltage in your home’s wiring. Even though 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 many surges happen much closer to home. Power companies frequently adjust power on the electrical grid, and voltage can also spike 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. Sometimes, loose wiring or other home electrical issues lead to surges. 

While a single large surge can cause immediate damage, smaller surges can slowly wear down heating and cooling equipment over time, limiting their lifespan. 

Why Modern HVAC Systems Need More Surge Protection Than Ever 

Today’s heating and cooling systems use sophisticated electronics to improve comfort and energy efficiency. While these features offer many benefits, they also make equipment more at risk of damage from voltage spikes, increasing the importance of HVAC electrical protection. 

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

  • Control boards. They serve as the system’s control center and can be damaged by even very small voltage spikes. 
  • Energy-efficient variable-speed motors. Variable speed motors rely on electronic controls that are susceptible to electric surges. 
  • Smart thermostats. Smart home devices are made with delicate electronics that automatically adjust your HVAC equipment. 
  • HVAC system communication controls. Today’s HVAC systems rely on electronic communication between indoor and outdoor units for reliable operation. 
  • Inverter technology. Systems with variable-capacity operation use sophisticated electronics that benefit from surge protection. 

Which HVAC Components Are Most at Risk? 

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

HVAC components most commonly affected by power surges in Port St. Lucie include: 

  • Control boards:Installing a whole-house surge protector protects your HVAC control board’s main. 
  • HVAC compressors. This component is one of the most expensive parts of an air conditioner or heat pump to replace. 
  • Blower motors.Electrical surges can damage motors responsible for circulating conditioned air throughout your home. 
  • HVAC system capacitors. Surges can weaken or damage these components, impacting system startup and performance. 
  • Smartthermostats. Electronic thermostats can malfunction after multiple voltage spikes. 
  • Electronic heat pump components. Heat pumps rely on multiple electronic components that can be vulnerable to surges. 

Whole-Home Surge Protection vs. Power Strips 

Many people use surge-protecting power strips for computers and televisions, but power strips don’t protect your HVAC system. For HVAC system protection, whole-home surge protection offers greater coverage and long-term value. 

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

Benefits of whole-home HVAC surge protection include: 

  • Fewer repair costs. Reducing surge damage can help avoid expensive HVAC repairs. 
  • Longer-lasting HVAC equipment. Electronic HVAC components experience lower electrical stress over time when properly protected. 
  • Home electronics protection. In addition to protecting your HVAC, a whole-home surge protector also shields appliances, computers and entertainment systems. 
  • Added confidence during severe weather. Surge protection provides added confidence when severe weather strikes. 
  • Protection from everyday electrical fluctuations. Small voltage spikes can gradually damage connected HVAC devices. 

5 Signs You May Need Surge Protection 

  1. Regular summer storms. Given the powerful summer storms in Port St. Lucie, lightning protection for your HVAC can help lower the risk of power surge damage. 
  2. Power outages or flickering lights. Ongoing power interruptions and electrical fluctuations increase the likelihood of damaging voltage spikes. 
  3. Aging electrical systems. Old wiring or obsolete electrical equipment can add to your home’s surge risk. 
  4. High-efficiency HVAC equipment. Protecting 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 even more sensitive electronics to protect. 

 

Expert Surge Protection Installation Matters 

Whole-home surge protection must be installed correctly to provide reliable protection. Working with licensed HVAC and electrical professionals like the team at Custom Air Systems Inc helps make sure the surge protection device is properly installed and ready to protect your home HVAC system. 

The experienced professionals at Custom Air Systems 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 from Future Power Surges 

Power surges aren’t always obvious, but they can have a major impact on your heating and cooling system. Investing in 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 comprehensive surge protection options, including whole-home surge protection systems. Our professionals will assess your home’s needs and recommend a customized solution to protect your home HVAC. Beyond 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 772-677-8981 today. 

Frequently Asked Questions About Whole-Home Surge protection for HVAC 

Is HVAC surge protection a good investment? 

Yes. Whole-house surge protection is often worth the 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. 

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 expensive repairs. AC surge protection helps protect your air conditioner from electrical surges by preventing the surges from reaching sensitive HVAC components. 

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

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. Repeated minor power surges can gradually wear down HVAC components over time. 

How long does whole-home surge protection last? 

Most whole-home surge protectors last 5 to 10 years, although its lifespan 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. Because deductibles and coverage vary, surge protection installation is often a smart way to help prevent expensive HVAC repairs. 

Will surge protection help protect smart thermostats? 

Yes. Power surge protection for HVAC helps safeguard smart thermostats and other connected HVAC components from electrical surges. Surge protection may also improve system reliability and reduce the risk of costly repairs to modern heating and cooling equipment.