Many people 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 voltage spikes 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 safeguard one of your home’s biggest investments and reduce the risk of expensive repairs.
What Is a Power Surge
A power surge in your home is a sudden spike in electrical voltage that travels through your home’s wiring. Although it lasts only a fraction of a second, it can damage electronic components.
Lightning remains the most well-known cause, but many surges happen much closer to home. Power companies frequently adjust power on the electrical grid, and voltage can also spike when electricity is restored after an outage. Major appliances like refrigerators or HVAC systems can also create brief voltage fluctuations when they cycle on and off. In some cases, loose wiring or other home electrical issues can cause surges.
While a single large surge can cause immediate damage, repeated minor surges can slowly wear down heating and air conditioning systems 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. 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.
Some of the most vulnerable components to power surges include:
- Electronic circuit boards. These act as the system’s control center and can be damaged by even brief or small voltage spikes.
- Energy-efficient variable-speed motors. Variable speed motors rely on electronic controls that are susceptible to electric surges.
- Smart thermostats. A smart thermostat uses delicate electronics that control your HVAC equipment.
- Electronic communication systems. Many newer heating and air conditioning systems use electronic communication between indoor and outdoor units for energy-efficient operation.
- Variable-capacity inverter technology. Variable-capacity HVAC systems use 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-home surge protection helps minimize the risk of unexpected failures and major HVAC repair after power surge incidents.
HVAC components that are frequently damaged by power surges in Grass Valley include:
- Control boards:The HVAC system’s control board contains essential operating controls, which can be badly damaged by surges.
- HVAC compressors. An HVAC compressor is one of the costliest parts of an air conditioner or heat pump to replace.
- Blower motors.Power surges can damage motors responsible for circulating conditioned air throughout your home.
- Capacitors. Surges can weaken or damage these components, affecting system startup and performance.
- Thermostats and Smart Home Technology. A smart thermostat can malfunction after frequent voltage spikes.
- Heat pumpelectronics. Modern heat pumps use multiple electronic components which are vulnerable to surges.
Comparing Whole-Home Surge Protection to Power Strips
Many people 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 greater coverage and greater long-term value.
A professionally installed whole-house surge protector is set up right at your home’s electrical panel. Instead of regulating electricity to only one outlet, the system helps safeguard major appliances and electronics throughout your entire house, including your HVAC system.
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-house HVAC surge protection include:
- Fewer repair costs. Preventing surge damage can help avoid expensive HVAC repairs.
- Longer HVAC equipmentlife. Electronic HVAC components experience lower electrical stress over time when protected correctly.
- Home electronics protection. In addition to protecting your HVAC, whole-home surge protection also helps protect appliances, computers and entertainment systems.
- Greater peace of mind duringstorms. You’ll have added confidence when severe weather strikes.
- Defense against everyday electrical fluctuations. Small voltage spikes can gradually damage connected HVAC devices.
5 Signs You May Need Surge Protection
- Frequent storms. Given the strong summer storms in Grass Valley, lightning protection for your HVAC can help lower the risk of electrical surge damage.
- Power outages or flickering lights. Repeated outages and electrical fluctuations increase the likelihood of power surges.
- Older electrical systems. Old wiring or substandard electrical equipment can add to 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 additional sensitive electronics to protect.
Why Professional Surge Protection Installation Is Important
Whole-house surge protection must be properly installed to provide dependable protection. Choosing licensed HVAC and electrical professionals like the team at A&A Air Conditioning, Heating & Sheet Metal helps make sure the surge protection device is properly installed and ready to help protect your home HVAC system.
The experienced professionals at A&A Air Conditioning, Heating & Sheet Metal understand the unique electrical needs of modern HVAC equipment and will identify the right surge protector for your air conditioner, furnace and other home comfort systems.
Protect Your HVAC Investment from Future Power Surges
Voltage spikes aren’t always obvious, but they can have a significant impact on your heating and cooling equipment. Investing in whole-home surge protection is a proactive way to help prevent major repairs, extend equipment life and improve the reliability of your HVAC system.
If you’re ready to learn more about 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 review 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.
Learn how surge protection can help protect your HVAC equipment. Schedule service online or call 530-273-1301 today.
Frequently Asked Questions About Whole-Home Surge protection for HVAC
Is a whole-house surge protection beneficial for an HVAC system?
In most cases, yes. Whole-house 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 heating and cooling components, helping extend the life of your home comfort system.
Can a sudden power spike damage an air conditioner?
It can. A power surge can damage your AC unit’s compressor, circuit board and blower motor, resulting in costly repairs. AC surge protection helps protect your air conditioner from electrical surges by shielding the sensitive HVAC components.
What are the common causes of power surges inside 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. 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 its lifespan 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.
Does a homeowners insurance policy cover power surge repairs?
In some cases, but not all. Homeowners insurance can cover power surge damage, but coverage depends on your policy and the reason for the surge. Since coverage and deductibles differ, surge protection installation is often cost-effective way to avoid paying for preventable and expensive HVAC repairs.
Does whole-home surge protection help protect smart thermostats?
Yes. Power surge protection for HVAC helps protect smart thermostats and other connected HVAC components from power surges. It can also improve system longevity and reduce the risk of costly repairs to modern heating and cooling equipment.