
Many people think power surges are limited to lightning storms. While lightning is definitely one cause, it isn’t the only one. Utility switching, power outages/restoration and even large appliances cycling on and off 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 modern heating and cooling systems rely on sophisticated electronic components. Fortunately, HVAC surge protection can help safeguard one of your home’s biggest investments and reduce the risk of major repairs.
What Is a Power Surge
A home power surge is a brief spike in electrical voltage that travels through your home’s wiring. Although it lasts only a fraction of a second, it may damage home electronics.
Lightning is the most well-known cause, but power surges often occur much closer to home. Power companies frequently adjust power on the electrical grid, and power can also surge when electricity is restored after an outage. Large appliances like refrigerators or AC units can also create small voltage fluctuations when they cycle on and off. It’s also possible that loose wiring or other home electrical issues contribute to surges.
Although one major power 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 Are More Vulnerable Than Ever
Modern heating and cooling systems use advanced 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:
- Circuit boards. These act as the system’s control center and can be damaged by even brief or small voltage spikes.
- Variable-speed blower motors. These advanced motors rely on electronic controls that are vulnerable to electric surges.
- Smart thermostats. A smart thermostat uses delicate electronics that communicate with your HVAC equipment.
- HVAC system communication controls. Today’s HVAC systems rely on electronic communication between indoor and outdoor units for reliable operation.
- Inverter-driven technology. Systems with variable-capacity operation use sophisticated electronics that are better protected with surge protection.
Which HVAC Components Need the Most Protection?
Damage from voltage spikes can cost hundreds or even thousands to fix. Installing whole-home surge protection helps minimize the risk of unexpected failures and costly HVAC repair after power surge incidents.
HVAC components most vulnerable to power surges in Neptune City include:
- Control boards:The HVAC system’s control board contains essential operating controls, which can be badly damaged by surges.
- HVAC compressors. This component is one of the most expensive parts of an air conditioner or heat pump to replace.
- Blower motors.Voltage spikes 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 multiple voltage spikes.
- Heat pump control electronics. Heat pump systems depend on multiple electronic components which are vulnerable to surges.
Whole-Home Surge Protection vs. Power Strips
Many homeowners use surge-protecting power strips for computers and televisions, but these plug-in devices don’t protect your HVAC system. For complete HVAC system protection, whole-home surge protection offers broader coverage and long-term value.
A professionally installed whole-house surge protector is located at your home’s electrical panel. Unlike devices that protect only one outlet, it can help safeguard major appliances and electronics throughout your entire house, including your HVAC system.
Benefits of Whole-House Surge Protection
Installing whole-home surge protection is an effective way to protect your HVAC investment while also working to safeguard other valuable electronics throughout your home.
Benefits of whole-house HVAC surge protection include:
- Reduced repaircosts. Reducing surge damage can help avoid expensive HVAC repairs.
- Extended HVAC system lifespan. Electronic HVAC components experience reduced electrical stress over time when protected correctly.
- Protection of homeelectronics. In addition to protecting your HVAC, whole-home surge protection also safeguards appliances, computers and entertainment systems.
- Less stress during storms. Surge protection provides added confidence when weather-related power outages occur.
- Protectionagainst everyday electrical fluctuations. Even small, routine surges can gradually damage your HVAC system.
5 Signs You May Need Surge Protection
- Severe weather. Given the frequent summer storms in Neptune City, lightning protection for your HVAC can help lower the risk of surge-related damage.
- Power outages or flickering lights. Ongoing power interruptions and changing voltage levels increase the likelihood of electrical surges.
- Older electrical systems. Old wiring or obsolete electrical equipment can raise your home’s surge risk.
- Modern heating and cooling equipment. Safeguarding a high-efficiency heating and cooling system with a surge protector is often less expensive than repairing or replacing damaged components.
- 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 installed correctly to provide dependable protection. Hiring licensed HVAC and electrical professionals like the team at Aggressive Mechanical helps make sure the surge protection device is properly installed and ready to help protect your home HVAC system.
The skilled professionals at Aggressive Mechanical understand the specialized electrical needs of modern HVAC equipment and will recommend the right surge protector for your air conditioner, furnace and other home comfort systems.
Protect Your HVAC Investment Before the Next Power Surge
Power surges aren’t always obvious, but they can have a major impact on your HVAC equipment. Adding whole-home surge protection is a smart 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-home surge protection systems. Our professionals will review your home’s needs and help you choose a customized solution to protect your home HVAC. Along with surge protection, we offer all electrical services for the rest of your home.
Find out how surge protection can help safeguard your HVAC equipment. Schedule service online or call 732-502-9300 today.
Frequently Asked Questions About HVAC Surge Protection
Is a whole-house surge protection beneficial for an HVAC system?
Yes. Installing whole-home surge protection is typically a worthwhile 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, which can help extend the life of your home comfort system.
Can an electrical surge damage an AC unit?
Absolutely. A power surge can damage your AC unit’s compressor, circuit board and blower motor, resulting in major repairs. AC surge protection helps protect your air conditioner from electrical fluctuations by reducing the impact of voltage spikes before they reach sensitive HVAC components.
What are the common causes of power surges inside a home?
Power surges are most commonly caused by 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?
Most whole-home surge protectors last 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 require replacement sooner.
Does homeowners’ insurance cover power surge damage?
In some cases, but not all. Homeowners insurance can cover power surge damage, but coverage depends on your policy and what caused the surge. Because deductibles and coverage vary, surge protection installation is often a smart way to help prevent expensive HVAC repairs.
Will a surge protector help protect smart thermostats?
Absolutely. Power surge protection for HVAC helps protect smart thermostats and other connected HVAC components from electrical surges. It also helps improve system reliability and reduce the risk of expensive repairs to home heating and cooling equipment.
