Homeowners often think power surges only happen during lightning storms. While lightning is definitely 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 surges don’t just threaten televisions and computers. These surges can cause HVAC electrical damage because current 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 costly repairs. 

What Are Power Surges  

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

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

Although one major power surge can cause immediate damage, smaller, repeated voltage spikes can slowly wear down HVAC components over time, reducing their lifespan. 

Why Modern HVAC Systems Are More Vulnerable Than Ever 

Today’s heating and cooling systems use advanced electronics to improve comfort and energy efficiency. While these features offer many benefits, they can make equipment more sensitive to voltage spikes, highlighting the importance of HVAC electrical protection. 

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

  • Control boards. They function as the system’s control center and can be damaged by even very small voltage spikes. 
  • Variable-speed motors. Variable speed motors rely on electronic controls that are sensitive to electric surges. 
  • Smart thermostats. Connected thermostats contain 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 are better protected with surge protection. 

Which HVAC Components Are Most Vulnerable to Power Surges? 

Damage from power surges can cost hundreds or even more to repair or replace. Installing whole-home surge protection helps reduce the risk of unexpected failures and expensive HVAC repair after voltage spike incidents. 

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

  • Control boards:The HVAC system’s control board contains essential operating controls, which can be badly damaged by surges. 
  • HVAC compressors. This component is one of the costliest parts of an air conditioner or heat pump to replace. 
  • Blower motors.Power surges can damage motors responsible for circulating conditioned air throughout your home. 
  • HVAC system capacitors. Surges can weaken or damage these components, reducing system startup and performance. 
  • Smartthermostats. Electronic thermostats can malfunction after multiple voltage spikes. 
  • Electronic heat pump components. Heat pump systems depend on multiple electronic components that are particularly vulnerable to surges. 

Whole-Home Surge Protection vs. Power Strips 

Many homeowners use surge-protecting power strips for computers and televisions, but power strips don’t protect your heating and cooling system. To provide complete HVAC system protection, whole-home surge protection offers more comprehensive coverage and greater long-term value. 

A professionally installed whole-home 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 heating and cooling equipment. 

Benefits of Whole-Home HVAC 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-home HVAC surge protection include: 

  • Lower repair expenses. Preventing surge damage can help avoid expensive HVAC repairs. 
  • Longer-lasting HVAC equipment. vulnerable technological components experience lower electrical stress over time when equipped with surge protection. 
  • Protection of homeelectronics. In addition to protecting your HVAC, a whole-home surge protector also helps protect appliances, computers and entertainment systems. 
  • Greater peace of mind duringstorms. Surge protection provides added confidence when severe storms strike your area. 
  • Protection from everyday electrical fluctuations. Even small, routine surges can gradually damage connected HVAC devices. 

5 Signs You May Need Surge Protection 

  1. Frequent storms. Given the frequent summer storms in Waunakee, lightning protection for your HVAC can help reduce the risk of electrical surge damage. 
  2. Blackouts or flickering lights. Repeated outages and voltage fluctuations increase the likelihood of electrical surges. 
  3. Outdated home wiring. Old wiring or substandard electrical equipment can add to 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 far less costly than repairing or replacing damaged components. 
  5. Smart home devices. Homes with connected thermostats and other connected devices have more sensitive electronics to protect. 

 

Expert Surge Protection Installation Makes a Difference 

Home HVAC surge protection must be installed correctly to provide reliable protection. Working with licensed HVAC and electrical professionals like the team at Home Comfort Heating & Air Conditioning LLC helps confirm the surge protection device is properly installed and ready to help protect your home HVAC system. 

The skilled professionals at Home Comfort Heating & Air Conditioning LLC understand the specific electrical needs of modern HVAC equipment and will help you choose the right surge protector for your air conditioner, furnace and other home comfort systems. 

Protect Your HVAC Investment Before the Next Power Surge 

Electrical surges aren’t always dramatic, but they can have a big impact on your heating and cooling equipment. Installing whole-home surge protection is an effective 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 comprehensive surge protection options, including whole-home protection. Our professionals will evaluate your home’s needs and recommend a customized solution to protect your home HVAC. Beyond surge protection, we provide all electrical services for the rest of your home. 

Learn how surge protection can help safeguard your HVAC equipment. Schedule service online or call 608-413-4505 today. 

Frequently Asked Questions About Whole-Home Surge protection for HVAC 

Yes. 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, which can help extend the life of your home comfort system.

Absolutely. A power surge can damage your AC unit’s compressor, circuit board and blower motor, leading to costly repairs. A surge protector for your AC helps protect your air conditioner from electrical surges by preventing the surges from reaching 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. Another possible cause is problems within your home’s electrical system. Repeated minor power surges can gradually wear down HVAC components over time.

A whole-house surge protector usually lasts 5 to 10 years, although its lifespan 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 can. 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 protect smart thermostats and other connected HVAC components from damaging voltage spikes. Surge protection may also improve system performance and reduce the risk of expensive repairs to home heating and cooling equipment.