Homeowners often think power surges only happen during lightning storms. While lightning is definitely 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 damage 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 safeguard one of your home’s biggest investments and reduce the risk of major repairs.
What Are Power Surges
A home power surge is a sudden spike in electrical voltage that travels through your home’s wiring. Although it lasts only a fraction of a second, it still can damage household electronics, including HVAC equipment.
Many people know 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 voltage can also spike when electricity is restored after an outage. Major appliances like refrigerators or AC units can also create small 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, smaller, repeated voltage spikes can slowly wear down HVAC components over time, shortening their lifespan.
Why Modern HVAC Systems Need More Surge Protection Than Ever
Today’s heating and cooling systems use sophisticated electronics to improve comfort and energy efficiency. Although these technologies 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:
- Electronic circuit boards. They function as the system’s control center and can be damaged by even very small voltage spikes.
- Variable-speed motors. These energy-saving motors rely on electronic controls that are sensitive to electric surges.
- Smart thermostats. Connected thermostats contain delicate electronics that communicate with 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-driven technology. Systems with variable-capacity operation use sophisticated electronics that are better protected with surge protection.
Which HVAC Components Are Most at Risk?
Damage from voltage spikes can cost hundreds or even thousands to repair. Installing electrical surge protection helps minimize the risk of unexpected failures and major HVAC repair after power surge incidents.
HVAC components most commonly affected by power surges in Pella include:
- Control boards:Installing a whole-house surge protector protects your HVAC control board’s main.
- HVAC compressors. This component is one of the highest-priced parts of an air conditioner or heat pump to replace.
- Blower motors.Electrical surges can damage motors responsible for circulating conditioned air throughout your home.
- Capacitors. Electrical surges can weaken or damage these components, reducing system startup and performance.
- Smartthermostats. A smart thermostat can malfunction after multiple 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?
Homeowners commonly use surge-protecting power strips for computers and televisions, but these plug-in devices don’t protect your furnace or air conditioner. For complete HVAC system protection, whole-home surge protection offers broader coverage and lasting value.
A professionally installed whole-house surge protector is connected at your home’s electrical panel. Unlike devices that protect only one outlet, it helps safeguard major appliances and electronics throughout your house, including your heating and cooling equipment.
Benefits of Whole-House Surge Protection
Adding whole-home surge protection is a proactive way to protect your HVAC investment while helping safeguard other valuable electronics throughout your home.
Benefits of whole-house HVAC surge protection include:
- Fewer repair costs. Reducing surge damage can help prevent expensive HVAC repairs.
- Longer HVAC equipmentlife. Sensitive components experience reduced electrical stress over time when protected correctly.
- Protection for household electronics. In addition to protecting your HVAC, a whole-home surge protector also helps protect appliances, computers and entertainment systems.
- Greater peace of mind duringstorms. Surge protection provides added confidence when weather-related power outages occur.
- Protection from everyday electrical fluctuations. Small voltage spikes can gradually damage connected HVAC devices.
5 Signs Your Home Could Benefit from Surge Protection
- Frequent storms. Given the frequent summer storms in Pella, lightning protection for your HVAC can help minimize the risk of power surge damage.
- Blackouts or flickering lights. Frequent outages and voltage fluctuations increase the likelihood of power surges.
- Older electrical systems. Old wiring or substandard electrical equipment can increase your home’s surge risk.
- 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.
- Connected home technology. Homes with smart thermostats and other connected devices have additional sensitive electronics to protect.
Why Professional Surge Protection Installation Makes a Difference
Whole-house surge protection must be professionally installed to provide dependable protection. Working with licensed HVAC and electrical professionals like the team at Van Haaften Plumbing & Heating helps ensure the surge protection device is properly installed and ready to protect your home HVAC system.
The experienced professionals at Van Haaften Plumbing & 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 with Whole-Home Surge Protection
Electrical surges aren’t always dramatic, but they can have a big impact on your HVAC 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-house surge protectors. Our professionals will review 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.
Learn how surge protection can help protect your HVAC equipment. Schedule service online or call 641-628-3621 today.
Frequently Asked Questions About HVAC Surge Protection
Is whole-home surge protection worth it for an HVAC system?
Yes. Installing whole-home surge protection is often a smart investment because it helps protect expensive HVAC equipment. The cost of 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.
Can a power surge damage an air conditioner?
Absolutely. A power surge can damage your AC unit’s compressor, circuit board and blower motor, which can cause expensive repairs. A surge protector for your AC helps protect your air conditioner from power surges by preventing the surges from reaching sensitive HVAC components.
What are the common causes of 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. Power surges may also stem from problems within your home’s electrical system. Small voltage spikes can gradually wear down HVAC components over time.
What is the average lifespan of a whole-house surge protector?
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 need replacement sooner.
Does homeowners insurance cover damage caused by power surges?
It depends. Homeowners insurance sometimes cover power surge damage, but coverage depends on your policy and the cause of the surge. Because deductibles and coverage vary, surge protection installation is often cost-effective way to avoid paying for preventable and expensive HVAC repairs.
Can 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 performance and reduce the risk of costly repairs to your home’s heating and cooling equipment.
