Many people think power surges only happen during lightning storms. While lightning is definitely one cause, it’s certainly not 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 damage televisions and computers. They can also cause HVAC electrical damage because modern heating and cooling systems rely on highly sensitive electronic components. The good news is 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 brief spike in electrical voltage running through your home’s wiring. While it lasts only a fraction of a second, it can damage home electronics.
Lightning remains the most well-known cause, but many electrical surges begin much closer to home. Electric utility providers routinely switch power on the electrical grid, and electrical surges also can happen when electricity is restored after an outage. Household appliances like refrigerators or air conditioners 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, repeated minor surges can slowly wear down heating and air conditioning systems over time, shortening their lifespan.
Why Modern HVAC Systems Are More Vulnerable Than Ever
Many of today’s heating and cooling systems use high-tech 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 at-risk HVAC components to power surges include:
- Control boards. They function as the system’s control center and can be damaged by even minimal voltage spikes.
- Energy-efficient variable-speed motors. Variable speed motors rely on electronic controls that are sensitive to electric surges.
- Smart thermostats. Connected thermostats contain delicate electronics that automatically adjust 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 work best with surge protection.
Which HVAC Components Are Most at Risk?
Damage from power surges can cost hundreds or even thousands of dollars to repair. Installing whole-home surge protection helps reduce the risk of unexpected failures and major HVAC repair after voltage spike incidents.
HVAC components that are frequently damaged by power surges in Willow Grove 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 highest-priced parts of an air conditioner or heat pump to replace.
- Blower motors.Power 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.
- Thermostats and Smart Home Technology. Electronic thermostats can malfunction after repeated voltage spikes.
- Heat pumpelectronics. 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 furnace or air conditioner. For complete HVAC system protection, whole-home surge protection offers more comprehensive coverage and greater long-term value.
A professionally installed whole-home surge protector is set up right at your home’s electrical panel. Unlike devices that protect only one outlet, the system helps safeguard major appliances and electronics throughout your house, including your heating and cooling equipment.
Benefits of Whole-Home HVAC Surge Protection
Using whole-home surge protection is a smart way to protect your HVAC investment while also working to safeguard other valuable electronics throughout your home.
Benefits of whole-home HVAC surge protection include:
- Fewer repair costs. Preventing surge damage can help avoid expensive HVAC repairs.
- Longer HVAC equipmentlife. Electronic HVAC components experience reduced electrical stress over time when properly protected.
- Protection of homeelectronics. In addition to protecting your HVAC, a whole-house surge protector also shields appliances, computers and entertainment systems.
- Less stress during storms. Surge protection provides added confidence when weather-related power outages occur.
- Defense against everyday electrical fluctuations. Even small, routine surges can gradually damage your HVAC system.
5 Signs It’s Time to Consider Surge Protection
- Regular summer storms. Given the powerful summer storms in Willow Grove, lightning protection for your HVAC can help minimize the risk of electrical surge damage.
- Power outages or flickering lights. Repeated outages and voltage fluctuations increase the likelihood of power surges.
- Outdated home wiring. Old wiring or outdated electrical equipment can increase your home’s surge risk.
- Expensive HVAC equipment. Shielding a high-efficiency heating and cooling system with a surge protector is often more affordable than repairing or replacing damaged components.
- Smart home technology. Homes with connected thermostats and other connected devices have more sensitive electronics to protect.
Expert Surge Protection Installation Matters
Home HVAC surge protection must be installed correctly to provide reliable protection. Hiring licensed HVAC and electrical professionals like the team at Stanley W. Cooper helps confirm the surge protection device is properly installed and ready to safeguard your home HVAC system.
The skilled professionals at Stanley W. Cooper 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 from Future Power Surges
Power surges aren’t always dramatic, but they can have a significant impact on your heating and cooling equipment. Installing 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 considering 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 evaluate your home’s needs and suggest a customized solution 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 safeguard your HVAC equipment. Schedule service online or call 215-383-3163 today.
Frequently Asked Questions About HVAC Surge Protection
Is HVAC surge protection a good investment?
In most cases, 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 heating and cooling components, helping extend the life of your home comfort system.
Can an electrical surge damage an air conditioner?
Yes. A power surge can damage an air conditioning compressor, circuit board and blower motor, resulting in major repairs. AC surge protection helps protect your air conditioner from electrical surges by shielding the sensitive HVAC components.
What can cause power surges throughout a home?
Lightning strikes, utility grid switching and power outages are among the most common causes of power surges in homes. Another possible cause is problems within your home’s electrical system. Even small, repeated surges 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 homes that experience many severe storms or utility power fluctuations may require replacement sooner.
Does homeowners insurance cover power surge damage?
It can. 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 a smart way to avoid paying for preventable and expensive HVAC repairs.
Does whole-home surge protection help protect smart thermostats?
It can. Power surge protection for HVAC helps safeguard smart thermostats and other connected HVAC components from electrical surges. It can also improve system longevity and reduce the risk of extensive repairs to home heating and cooling equipment.