Many people think power surges are limited to lightning storms. Although lightning is one cause, it isn’t the only one. Utility grid activity, restoring power after outages and large household appliances cycling 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 current heating and cooling systems rely on highly sensitive electronic components. The good news is 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 home power surge is a brief spike in electrical voltage that travels through your home’s wiring. While it lasts only a fraction of a second, it may damage household electronics, including HVAC equipment.
Lightning is the most well-known cause, but many electrical surges begin 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 brief voltage fluctuations when they cycle on and off. It’s also possible that loose wiring or other home electrical issues contribute to surges.
While a single large surge can cause immediate damage, smaller, repeated voltage spikes can slowly wear down HVAC components over time, limiting their lifespan.
Why Modern HVAC Systems Require Better Surge Protection
Modern heating and cooling systems use high-tech 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.
Some of the most vulnerable components to power surges include:
- Circuit boards. They function 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 vulnerable to electric surges.
- Smart thermostats. Smart home devices are made with delicate electronics that automatically adjust your HVAC equipment.
- HVAC system communication controls. Modern heating and cooling systems use electronic communication between indoor and outdoor units for reliable operation.
- Inverter-driven technology. Systems with variable-capacity operation use 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 to repair or replace. Installing electrical surge protection helps lower the risk of unexpected failures and expensive HVAC repair after electrical surge incidents.
HVAC components that are frequently damaged by power surges in Florissant and St. Charles include:
- Control boards:Protecting your HVAC system’s control board safeguards its primary.
- Compressors. This component is one of the costliest parts of an air conditioner or heat pump to replace.
- Blower motors.Electrical surges can damage motors that circulate conditioned air throughout your home.
- HVAC system capacitors. Surges can weaken or damage these components, affecting system startup and performance.
- Smartthermostats. Electronic thermostats can malfunction after repeated voltage spikes.
- Electronic heat pump components. Heat pumps rely on multiple electronic components that are particularly vulnerable to surges.
Which is Better for My Home: Whole-Home Surge Protection or Power Strips?
Homeowners commonly use surge-protecting power strips for computers and televisions, but power strips don’t protect your HVAC system. For HVAC system protection, whole-home surge protection offers greater coverage and long-term value.
A professionally installed whole-home 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 your entire house, including your HVAC system.
Benefits of Whole-Home HVAC 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:
- Reduced repaircosts. Preventing surge damage can help prevent expensive HVAC repairs.
- Longer HVAC equipmentlife. Electronic HVAC components experience reduced electrical stress over time when equipped with surge protection.
- Protection for household electronics. In addition to protecting your HVAC, whole-home surge protection also shields appliances, computers and entertainment systems.
- Greater peace of mind duringstorms. Homeowners gain added confidence when severe weather strikes.
- Protection from everyday electrical fluctuations. Even small, routine surges can gradually damage electronic HVAC equipment.
5 Signs You May Need Surge Protection
- Frequent storms. Given the frequent summer storms in Florissant and St. Charles, lightning protection for your HVAC can help reduce the risk of electrical surge damage.
- Blackouts or flickering lights. Repeated outages and changing voltage levels increase the likelihood of damaging voltage spikes.
- Outdated home wiring. Old wiring or outdated electrical equipment can increase your home’s surge risk.
- Modern heating and cooling 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.
- Connected home technology. Homes with connected thermostats and other connected devices have more sensitive electronics to protect.
Why Professional Surge Protection Installation Is Important
Whole-home surge protection must be professionally installed to provide consistent protection. Working with licensed HVAC and electrical professionals like the team at B&B Heating, Cooling, Plumbing & Electrical helps make sure the surge protection device is properly installed and ready to safeguard your home HVAC system.
The experienced professionals at B&B Heating, Cooling, Plumbing & Electrical understand the specific electrical needs of modern HVAC equipment and will help you choose the right surge protector for your air conditioning unit, furnace and other home comfort systems.
Protect Your HVAC Investment from Future Power Surges
Voltage spikes aren’t always dramatic, but they can have a big impact on your heating and cooling system. Installing whole-home surge protection is a proactive way to help prevent expensive 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 a wide variety of surge protection options, including whole-home protection. Our professionals will assess your home’s needs and help you choose 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 protect your HVAC equipment. Schedule service online or call 314-668-8530 today.
Frequently Asked Questions About Whole-Home Surge protection for HVAC
Is HVAC surge protection a good investment?
In most cases, 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 heating and cooling components, helping extend the life of your home comfort system.
Can a sudden power spike damage an AC unit?
It can. A power surge can damage an air conditioning compressor, circuit board and blower motor, resulting in costly repairs. Installing AC surge protection can protect your air conditioner from electrical fluctuations by reducing the impact of voltage spikes before they reach sensitive HVAC components.
What causes power surges in a home?
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.
How long does whole-home surge protection last?
A typical whole-home surge protector lasts about 5 to 10 years, although its lifespan 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.
Does a homeowners insurance policy cover damage caused by power surges?
It depends. 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 a smart way to help prevent expensive HVAC repairs.
Does surge protection help protect smart thermostats?
Yes. Power surge protection for HVAC helps protect smart thermostats and other connected HVAC components from electrical surges. Surge protection may also improve system reliability and reduce the risk of costly repairs to your home’s heating and cooling equipment.