Many homeowners think power surges only happen during lightning storms. While lightning is definitely one cause, it’s certainly not the only one.  Major appliances turning on and off, electrical grid switching, power outages and restoration can all create power surges inside your home. 

These surges don’t just pose a risk to televisions and computers. They can also cause HVAC electrical damage because current heating and cooling systems rely on highly sensitive electronic components. Thankfully, HVAC surge protection can help shield 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 short spike in electrical voltage that travels through your home’s wiring. Although 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 power surges often occur 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. Large appliances like refrigerators or AC units can also create brief voltage fluctuations when they cycle on and off. In some cases, loose wiring or other home electrical issues can cause surges. 

While a single large surge can cause immediate damage, repeated minor surges can slowly wear down heating and air conditioning systems over time, shortening their lifespan. 

Why Modern HVAC Systems Need More Surge Protection Than Ever 

Today’s heating and cooling systems use advanced electronics to improve comfort and energy efficiency. Although these technologies offer many benefits, they also make equipment more vulnerable to damage from voltage spikes, highlighting the importance of HVAC electrical protection. 

Some of the most vulnerable components to power surges include: 

  • Circuit boards. They serve as the system’s control center and can be damaged by even very small voltage spikes. 
  • Energy-efficient variable-speed motors. These energy-saving motors rely on electronic controls that are sensitive to electric surges. 
  • Smart thermostats. Smart home devices are made with delicate electronics that control your HVAC equipment. 
  • HVAC system communication controls. Today’s HVAC systems rely on electronic communication between indoor and outdoor units for energy-efficient operation. 
  • Inverter-driven technology. Variable-capacity HVAC systems rely on sophisticated electronics that work best with surge protection. 

Which HVAC Components Need the Most Protection? 

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

HVAC components most vulnerable to power surges in Bloomfield include: 

  • Control boards:Installing a whole-house surge protector protects your HVAC control board’s main. 
  • Compressors. The compressor is one of the highest-priced parts of an air conditioner or heat pump to replace. 
  • Blower motors.Power surges can damage motors that circulate conditioned air throughout your home. 
  • HVAC system capacitors. Surges can weaken or damage these components, reducing system startup and performance. 
  • Thermostats and Smart Home Technology. These devices may malfunction after frequent voltage spikes. 
  • Electronic heat pump components. Modern heat pumps use multiple electronic components which are 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 these plug-in devices don’t protect your furnace or air conditioner. For HVAC system protection, whole-home surge protection offers more comprehensive coverage and long-term value. 

A professionally installed whole-house surge protector is set up right at your home’s electrical panel. Instead of regulating electricity to only one outlet, it can help safeguard major appliances and electronics throughout the house, including your HVAC system. 

Benefits of Whole-House Surge Protection 

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

Benefits of whole-house HVAC surge protection include: 

  • Fewer repair costs. Preventing surge damage can help reduce expensive HVAC repairs. 
  • Extended HVAC system lifespan. Sensitive components experience lower electrical stress over time when properly protected. 
  • Home electronics protection. In addition to protecting your HVAC, whole-home surge protection also shields appliances, computers and entertainment systems. 
  • Added confidence during severe weather. Homeowners gain added confidence when severe weather strikes. 
  • Protectionagainst everyday electrical fluctuations. Even small, routine surges can gradually damage connected HVAC devices. 

5 Signs You May Need Surge Protection 

  1. Regular summer storms. Given the powerful summer storms in Bloomfield, lightning protection for your HVAC can help minimize the risk of electrical surge damage. 
  2. Blackouts or flickering lights. Frequent outages and voltage fluctuations increase the likelihood of damaging voltage spikes. 
  3. Outdated home wiring. Old wiring or outdated electrical equipment can increase your home’s surge risk. 
  4. High-efficiency HVAC equipment. Safeguarding 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 smart thermostats and other connected devices have additional sensitive electronics to protect. 

 

Professional Surge Protection Installation Is Important 

Home HVAC surge protection must be properly installed to provide reliable protection. Working with licensed HVAC and electrical professionals like the team at Stanford Heating & Cooling helps ensure the surge protection device is properly installed and ready to protect your home HVAC system. 

The skilled professionals at Stanford Heating & Cooling understand the specialized electrical needs of modern HVAC equipment and will identify the right surge protector for your air conditioning unit, furnace and other home comfort systems. 

Protect Your HVAC Investment with Whole-Home Surge Protection 

Power surges aren’t always dramatic, but they can have a big impact on your HVAC system. Adding whole-home surge protection is a proactive way to help prevent costly 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. Beyond surge protection, we offer all electrical services for the rest of your home. 

See how surge protection can help protect your HVAC equipment. Schedule service online or call 812-825-8695 today. 

Frequently Asked Questions About Whole-Home Surge protection for HVAC 

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

Yes. A power surge can damage an air conditioning compressor, circuit board and blower motor, resulting in expensive repairs. A surge protector for your AC helps protect your air conditioner from electrical fluctuations by shielding the 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. Even small, repeated surges can gradually wear down HVAC components over time.

Most whole-home surge protectors last 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 require replacement sooner.

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 cost-effective way to help prevent expensive HVAC repairs.

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