Many people think power surges occur only during lightning storms. While lightning is definitely one cause, it’s far from the only one. Utility switching, power outages/restoration and even large appliances cycling on and off can all create power surges inside your home. 

These electrical surges don’t just threaten televisions and computers. These surges can cause HVAC electrical damage because today’s heating and cooling systems rely on sophisticated electronic components. The good news is HVAC surge protection can help protect one of your home’s biggest investments and reduce the risk of costly repairs. 

What Is a Power Surge  

A power surge is a short spike in electrical voltage running through your home’s wiring. While it lasts only a fraction of a second, it can damage household electronics, including HVAC equipment. 

Lightning is the most well-known cause, but power surges often occur 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 HVAC systems can also create minor voltage fluctuations when they cycle on and off. In some cases, loose wiring or other home electrical issues contribute to surges. 

Though a single significant 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 

Many of today’s heating and cooling systems use high-tech electronics to improve comfort and energy efficiency. While these features offer many benefits, they can 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: 

  • Control boards. They serve as the system’s control center and can be damaged by even minimal voltage spikes. 
  • Variable-speed blower motors. These advanced motors rely on electronic controls that are susceptible to electric surges. 
  • Smart thermostats. A smart thermostat uses delicate electronics that automatically adjust your HVAC equipment. 
  • Communication systems. Many newer heating and air conditioning systems use electronic communication between indoor and outdoor units for energy-efficient operation. 
  • Inverter technology. Systems with variable-capacity operation use sophisticated electronics that work best with surge protection. 

Which HVAC Components Are Most at Risk? 

Damage from electrical surges can cost hundreds or even more to repair or replace. Installing electrical surge protection helps minimize the risk of unexpected failures and costly HVAC repair after electrical surge incidents. 

HVAC components most vulnerable to power surges in Buellton include: 

  • Control boards:Protecting your HVAC system’s control board safeguards its primary. 
  • 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. 
  • HVACcapacitors. Power surges may weaken or damage these components, affecting system startup and performance. 
  • Thermostats and Smart Home Technology. Electronic thermostats can malfunction after multiple voltage spikes. 
  • Heat pumpelectronics. Modern heat pumps use multiple electronic components that can be vulnerable to surges. 

Comparing Whole-Home Surge Protection to Power Strips 

Homeowners commonly use surge-protecting power strips for computers and televisions, but these plug-in devices don’t protect your heating and cooling system. To provide complete 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. Rather than protecting only one outlet, it can help safeguard major appliances and electronics throughout the house, including your heating and cooling equipment. 

Benefits of Whole-Home Surge Protection 

Using whole-home surge protection is a proactive 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 reduce expensive HVAC repairs. 
  • Extended HVAC system lifespan. Electronic HVAC components experience reduced electrical stress over time when equipped with surge protection. 
  • Protection of homeelectronics. In addition to protecting your HVAC, whole-home surge protection also safeguards appliances, computers and entertainment systems. 
  • Less stress during storms. You’ll have added confidence when weather-related power outages occur. 
  • Protection from everyday electrical fluctuations. Even small, routine surges can gradually damage connected HVAC devices. 

5 Signs It’s Time to Consider Surge Protection 

  1. Severe weather. Given the powerful summer storms in Buellton, lightning protection for your HVAC can help reduce the risk of power surge damage. 
  2. Frequent power outages or flickering lights. Repeated outages and voltage fluctuations increase the likelihood of power surges. 
  3. Outdated home wiring. Old wiring or obsolete 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 less expensive than repairing or replacing damaged components. 
  5. Smart home technology. Homes with Wi-Fi thermostats and other connected devices have even more sensitive electronics to protect. 

 

Expert Surge Protection Installation Makes a Difference 

Home HVAC surge protection must be installed correctly to provide consistent protection. Choosing licensed HVAC and electrical professionals like the team at Allstar Heating & Air Conditioning helps confirm the surge protection device is properly installed and ready to protect your home HVAC system. 

The experienced professionals at Allstar Heating & Air Conditioning understand the specific 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 

Voltage spikes aren’t always obvious, but they can have a big impact on your HVAC equipment. 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 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 review your home’s needs and help you choose a customized solution to protect your home HVAC. Beyond surge protection, we offer all electrical services for the rest of your home. 

Learn how surge protection can help safeguard your HVAC equipment. Schedule service online or call 805-691-7554 today. 

Frequently Asked Questions About HVAC Surge Protection 

Yes. Installing whole-home surge protection is typically a worthwhile investment because it helps protect expensive HVAC equipment. The cost of installing surge protection is typically much lower than repairing or replacing damaged HVAC components, helping extend the life of your home comfort system.

It can. A power surge can damage an air conditioning compressor, circuit board and blower motor, leading to major repairs. Installing AC surge protection can protect your air conditioner from electrical surges by reducing the impact of voltage spikes before they reach 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. 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 that 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.

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.

It can. Power surge protection for HVAC helps protect smart thermostats and other connected HVAC components from damaging voltage spikes. It also helps improve system reliability and reduce the risk of costly repairs to your home’s heating and cooling equipment.