Many homeowners think power surges only happen during lightning storms. While lightning is one cause, it’s far from the only one. Utility grid activity, restoring power after outages and large household appliances cycling can all create power surges inside your home. 

These electric voltage spikes don’t just damage televisions and computers. These surges can cause HVAC electrical damage because today’s 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 costly repairs. 

What Is a Power Surge  

A home power surge is a sudden 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. 

Lightning is the most well-known cause, but power surges often occur much closer to home. Electric utility providers routinely switch power on the electrical grid, and power can also surge 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. 

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

Why Modern HVAC Systems Require Better Surge Protection 

Today’s heating and cooling systems use sophisticated electronics to improve comfort and energy efficiency. Even though hese advanced features offer many benefits, they can also 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 function as the system’s control center and can be damaged by even very small voltage spikes. 
  • Variable-speed blower 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 control your HVAC equipment. 
  • HVAC system communication controls. Modern heating and cooling systems use electronic communication between indoor and outdoor units for energy-efficient operation. 
  • Inverter-driven technology. Variable-capacity HVAC systems rely on sophisticated electronics that are better protected 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 whole-house surge protection helps lower the risk of unexpected failures and major HVAC repair after power surge incidents. 

HVAC components most vulnerable to power surges in Cape Girardeau include: 

  • Control boards:Protecting your HVAC system’s control board safeguards its primary. 
  • Airconditioner compressors. An HVAC compressor is one of the most expensive parts of an air conditioner or heat pump to replace. 
  • Blower motors.Power surges can damage motors that circulate conditioned air throughout your home. 
  • HVACcapacitors. Electrical surges can weaken or damage these components, affecting system startup and performance. 
  • Thermostats and Smart Home Technology. A smart thermostat can malfunction after repeated voltage spikes. 
  • Heat pumpelectronics. Heat pumps rely on multiple electronic components which are vulnerable to surges. 

Comparing Whole-Home Surge Protection to Power Strips 

Many homeowners use surge-protecting power strips for computers and televisions, but those devices don’t protect your heating and cooling system. For complete 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. Rather than protecting only one outlet, it helps safeguard major appliances and electronics throughout the house, including your HVAC equipment. 

Benefits of Whole-Home Surge Protection 

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

Benefits of whole-home HVAC surge protection include: 

  • Fewer repair costs. Reducing surge damage can help prevent expensive HVAC repairs. 
  • Extended HVAC system lifespan. vulnerable technological components experience less electrical stress over time when equipped with surge protection. 
  • Protection for household electronics. In addition to protecting your HVAC, a whole-home surge protector also shields appliances, computers and entertainment systems. 
  • Added confidence during severe weather. You’ll have 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. Severe weather. Given the powerful summer storms in Cape Girardeau, lightning protection for your HVAC can help lower the risk of power surge damage. 
  2. Blackouts or flickering lights. Ongoing power interruptions and electrical fluctuations increase the likelihood of electrical surges. 
  3. Outdated home wiring. Old wiring or outdated electrical equipment can add to your home’s surge risk. 
  4. High-efficiency HVAC equipment. Protecting a high-efficiency heating and cooling system with a surge protector is often more affordable than repairing or replacing damaged components. 
  5. Smart home technology. Homes with connected thermostats and other connected devices have additional sensitive electronics to protect. 

 

Professional Surge Protection Installation Matters 

Whole-home surge protection must be professionally installed to provide consistent protection. Choosing licensed HVAC and electrical professionals like the team at Prestige Plumbing and Air helps confirm the surge protection device is properly installed and ready to protect your home HVAC system. 

The experienced professionals at Prestige Plumbing and Air understand the specific electrical needs of modern HVAC equipment and will recommend the right surge protector for your air conditioning unit, furnace and other home comfort systems. 

Protect Your HVAC Investment Before the Next Power Surge 

Power surges aren’t always dramatic, but they can have a big impact on your heating and cooling equipment. Adding whole-home surge protection is an effective 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 evaluate your home’s needs and recommend a setup to protect your home HVAC. In addition to surge protection, we provide all electrical services for the rest of your home. 

Find out how surge protection can help protect your HVAC equipment. Schedule service online or call 573-266-2048 today. 

Frequently Asked Questions About HVAC Surge Protection 

Yes. Whole-house 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, 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, which can cause major repairs. Installing AC surge protection can protect your air conditioner from power 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. Even small, repeated surges 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 homes that experience many severe storms or utility power fluctuations may need replacement sooner.

It can. Homeowners insurance can cover power surge damage, but coverage depends on your policy and the reason for the surge. With policy limits and deductibles varying, surge protection installation is often a smart way to protect your pocketbook from expensive HVAC repairs.

Absolutely. Power surge protection for HVAC helps safeguard smart thermostats and other connected HVAC components from electrical surges. It also helps improve system longevity and reduce the risk of costly repairs to home heating and cooling equipment.