Homeowners often think power surges occur only during lightning storms. Although lightning is one cause, it isn’t the only one. Utility switching, power outages/restoration and even large appliances cycling on and off can all create electrical surges inside your home. 

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

What Is a Power Surge  

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

Lightning remains the most well-known cause, but many surges happen much closer to home. Electric utility providers routinely switch power on the electrical grid, and voltage can also spike 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. Sometimes, 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 HVAC components over time, reducing their lifespan. 

Why Modern HVAC Systems Are More Vulnerable Than Ever 

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

HVAC parts that are especially sensitive to power surges include: 

  • Circuit boards. They serve 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 susceptible to electric surges. 
  • Smart thermostats. Connected thermostats contain delicate electronics that communicate with your HVAC equipment. 
  • Electronic communication systems. Modern heating and cooling systems use electronic communication between indoor and outdoor units for efficient operation. 
  • Variable-capacity inverter technology. Variable-capacity HVAC systems use sophisticated electronics that benefit from surge protection. 

Which HVAC Components Need the Most Protection? 

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

HVAC components most commonly affected by power surges in Croydon 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 highest-priced parts of an air conditioner or heat pump to replace. 
  • Blower motors.Voltage spikes can damage motors that circulate conditioned air throughout your home. 
  • HVAC system capacitors. Electrical surges can weaken or damage these components, affecting system startup and performance. 
  • Smartthermostats. Electronic thermostats can malfunction after multiple voltage spikes. 
  • Electronic heat pump components. 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 those devices don’t protect your furnace or air conditioner. For complete HVAC system protection, whole-home surge protection offers greater coverage and greater 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 your entire house, including your HVAC equipment. 

Benefits of Whole-Home Surge Protection 

Adding 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: 

  • Reduced repaircosts. Reducing surge damage can help reduce expensive HVAC repairs. 
  • Longer HVAC equipmentlife. vulnerable technological 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 helps protect appliances, computers and entertainment systems. 
  • Less stress during storms. Surge protection provides added confidence when severe storms strike your area. 
  • Protection from everyday electrical fluctuations. Even small, routine surges can gradually damage your HVAC system. 

5 Signs Your Home Could Benefit from Surge Protection 

  1. Severe weather. Given the frequent summer storms in Croydon, lightning protection for your HVAC can help lower the risk of surge-related damage. 
  2. Blackouts or flickering lights. Frequent outages and electrical fluctuations increase the likelihood of electrical surges. 
  3. Older electrical systems. Old wiring or substandard electrical equipment can raise your home’s surge risk. 
  4. High-efficiency 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 devices. Homes with smart thermostats and other connected devices have more sensitive electronics to protect. 

 

Expert Surge Protection Installation Makes a Difference 

Whole-home surge protection must be properly installed to provide dependable protection. Working with licensed HVAC and electrical professionals like the team at Indoor Comfort Systems HVAC helps ensure the surge protection device is properly installed and ready to protect your home HVAC system. 

The experienced professionals at Indoor Comfort Systems HVAC understand the specific 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 with Whole-Home Surge Protection 

Power surges aren’t always obvious, but they can have a big impact on your heating and cooling system. 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 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 assess your home’s needs and help you choose a setup to protect your home HVAC. Along with 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 215-741-5505 today. 

Frequently Asked Questions About HVAC Surge Protection 

Absolutely. 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 furnace or air conditioner 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, leading to expensive repairs. A surge protector for your AC helps protect your air conditioner from power 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. Another possible cause is problems within your home’s electrical system. Small voltage spikes can gradually wear down HVAC components over time.

A typical whole-home surge protector lasts about 5 to 10 years, although that depends on the number and severity of the surges it absorbs. Surge protector systems in properties that experience frequent storms or utility power fluctuations may require replacement sooner.

In some cases, but not all. Homeowners insurance may cover power surge damage, but coverage depends on your policy and what caused the surge. Since coverage and deductibles differ, surge protection installation is often a smart way to help prevent expensive HVAC repairs.

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