Many people think power surges are limited to lightning storms. Although lightning is one cause, it isn’t the only one. Utility grid activity, restoring power after outages and large household appliances cycling can all create electrical surges inside your home. 

These electric voltage spikes don’t just damage televisions and computers. These surges can cause HVAC electrical damage because modern heating and cooling systems rely on highly sensitive 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 power surge in your home is a brief spike in electrical voltage that travels through your home’s wiring. Although it lasts only a fraction of a second, it can damage electronic components. 

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 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. It’s also possible that loose wiring or other home electrical issues contribute to surges. 

Although one major power surge can cause immediate damage, smaller surges can slowly wear down heating and air conditioning systems over time, shortening their lifespan. 

Why Modern HVAC Systems Require Better Surge Protection 

Modern heating and cooling systems use advanced electronics to improve comfort and energy efficiency. Although these technologies offer many benefits, they can also 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: 

  • 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 energy-saving motors rely on electronic controls that are susceptible 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 reliable operation. 
  • Variable-capacity inverter technology. Variable-capacity HVAC systems use sophisticated electronics that work best 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-home surge protection helps reduce the risk of unexpected failures and costly HVAC repair after electrical surge incidents. 

HVAC components most vulnerable to power surges in Derby include: 

  • Control boards:Installing a whole-house surge protector protects your HVAC control board’s main. 
  • Airconditioner 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 that circulate conditioned air throughout your home. 
  • Capacitors. Electrical surges can weaken or damage these components, impacting system startup and performance. 
  • Smartthermostats. Electronic thermostats can malfunction after multiple voltage spikes. 
  • Heat pumpelectronics. 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 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, the system helps safeguard major appliances and electronics throughout your house, including your HVAC system. 

Benefits of Whole-House Surge Protection 

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

Benefits of whole-home HVAC surge protection include: 

  • Lower repair expenses. Reducing surge damage can help avoid expensive HVAC repairs. 
  • Longer HVAC equipmentlife. Electronic HVAC components experience less electrical stress over time when properly protected. 
  • Protection for household electronics. In addition to protecting your HVAC, whole-home surge protection also shields appliances, computers and entertainment systems. 
  • Less stress during storms. Homeowners gain added confidence when severe weather strikes. 
  • Protectionagainst 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 Derby, lightning protection for your HVAC can help reduce the risk of power surge damage. 
  2. Blackouts or flickering lights. Frequent outages and changing voltage levels increase the likelihood of damaging voltage spikes. 
  3. Outdated home wiring. Old wiring or outdated electrical equipment can raise your home’s surge risk. 
  4. Expensive HVAC equipment. Safeguarding a high-efficiency heating and cooling system with a surge protector is often more affordable than repairing or replacing damaged components. 
  5. Smart home devices. Homes with smart thermostats and other connected devices have more sensitive electronics to protect. 

 

Professional Surge Protection Installation Makes a Difference 

Home HVAC surge protection must be professionally installed to provide consistent protection. Working with licensed HVAC and electrical professionals like the team at Giordanos Heating and Air Conditioning helps ensure the surge protection device is properly installed and ready to safeguard your home HVAC system. 

The highly trained professionals at Giordanos Heating and Air Conditioning understand the specialized electrical needs of modern HVAC equipment and will identify the right surge protector for your air conditioner, 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 big impact on your HVAC equipment. Investing in whole-home surge protection is an effective way to help prevent costly 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. Along with surge protection, we provide all electrical services for the rest of your home. 

See how surge protection can help safeguard your HVAC equipment. Schedule service online or call 203-941-5099 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 heating and cooling components, which can help extend the life of your home comfort system.

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

Lightning strikes, utility grid switching and power outages are among the most common causes of power surges in homes. They can also result from problems within your home’s electrical system. Even small, repeated surges can gradually wear down HVAC components over time.

A whole-house surge protector usually lasts 5 to 10 years, although actual service life depends on the number and severity of the surges it absorbs. Surge protector systems in a home that has frequent storms or utility power fluctuations may need replacement sooner.

It depends. Homeowners insurance can cover power surge damage, but coverage depends on your policy and the cause of 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 safeguard smart thermostats and other connected HVAC components from power surges. It also helps improve system performance and reduce the risk of expensive repairs to modern heating and cooling equipment.