Many homeowners think power surges are limited to lightning storms. Although lightning is one cause, it’s far from 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 electrical surges don’t just pose a risk to 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 shield one of your home’s biggest investments and reduce the risk of major repairs. 

What Are Power Surges  

A power surge is a short spike in electrical voltage in your home’s wiring. Although it lasts only a fraction of a second, it 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 electrical surges also can happen when electricity is restored after an outage. Household appliances like refrigerators or AC units can also create minor voltage fluctuations when they cycle on and off. It’s also possible that loose wiring or other home electrical issues can cause surges. 

While a single large 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 Are More Vulnerable Than Ever 

Modern heating and cooling systems use high-tech electronics to improve comfort and energy efficiency. Although these technologies offer many benefits, they can make equipment more at risk of damage from voltage spikes, increasing the importance of HVAC electrical protection. 

HVAC parts that are especially sensitive to power surges include: 

  • Electronic 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. Variable speed motors rely on electronic controls that are sensitive to electric surges. 
  • Smart thermostats. Smart home devices are made with delicate electronics that communicate with your HVAC equipment. 
  • Communication systems. Today’s HVAC systems rely on electronic communication between indoor and outdoor units for efficient operation. 
  • Variable-capacity inverter technology. Variable-capacity HVAC systems rely on sophisticated electronics that work best with surge protection. 

Which HVAC Components Are Most Vulnerable to Power Surges? 

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

HVAC components that are frequently damaged by power surges in Sarasota include: 

  • Control boards:The HVAC system’s control board contains essential operating controls, which can be badly damaged by surges. 
  • 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. Surges can weaken or damage these components, affecting system startup and performance. 
  • Thermostats and Smart Home Technology. These devices may malfunction after frequent voltage spikes. 
  • Heat pumpelectronics. Heat pump systems depend 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 these plug-in devices don’t protect your heating and cooling system. For HVAC system protection, whole-home surge protection offers more comprehensive coverage and lasting value. 

A professionally installed whole-house surge protector is set up right at your home’s electrical panel. Rather than protecting only one outlet, it helps safeguard major appliances and electronics throughout your house, including your HVAC equipment. 

Benefits of Whole-Home HVAC Surge Protection 

Installing whole-home surge protection is a smart way to protect your HVAC investment while helping safeguard other valuable electronics throughout your home. 

Benefits of whole-house HVAC surge protection include: 

  • Lower repair expenses. Reducing surge damage can help avoid expensive HVAC repairs. 
  • Longer HVAC equipmentlife. Sensitive 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 helps protect 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. Minor electrical surges can gradually damage your HVAC system. 

5 Signs You May Need Surge Protection 

  1. Severe weather. Given the powerful summer storms in Sarasota, lightning protection for your HVAC can help reduce the risk of electrical surge damage. 
  2. Frequent power outages or flickering lights. Ongoing power interruptions and voltage fluctuations increase the likelihood of power surges. 
  3. Outdated home wiring. Old wiring or substandard electrical equipment can raise your home’s surge risk. 
  4. Expensive 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 technology. Homes with Wi-Fi thermostats and other connected devices have even more sensitive electronics to protect. 

 

Why Professional Surge Protection Installation Is Important 

Home HVAC surge protection must be properly installed to provide consistent protection. Working with licensed HVAC and electrical professionals like the team at Airtech Cooling & Heating helps make sure the surge protection device is properly installed and ready to safeguard your home HVAC system. 

The experienced professionals at Airtech Cooling & Heating understand the unique electrical needs of modern HVAC equipment and will help you choose the right surge protector for your AC, 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 significant impact on your heating and cooling equipment. Adding whole-home surge protection is a smart 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-house surge protectors. Our professionals will review your home’s needs and recommend a setup 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 941-377-7956 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. Installing surge protection is typically much lower than repairing or replacing damaged HVAC components, and it helps extend the life of your home comfort system.

Yes. A power surge can damage an air conditioner’s compressor, circuit board and blower motor, resulting in expensive repairs. A surge protector for your AC helps protect your air conditioner from electrical surges by shielding the sensitive HVAC components.

Power surges are most commonly caused by 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. Small voltage spikes 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 homes that experience many severe 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.

It can. Power surge protection for HVAC helps shield smart thermostats and other connected HVAC components from power surges. It can also improve system reliability and reduce the risk of costly repairs to modern heating and cooling equipment.