Many homeowners think power surges are limited to lightning storms. Although lightning is one cause, it isn’t 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. They can also cause HVAC electrical damage because current heating and cooling systems rely on advanced 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 power surge in your home is a sudden spike in electrical voltage that travels through your home’s wiring. While it lasts only a fraction of a second, it can damage electronic components.
Lightning is the most well-known cause, but power surges often occur 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. Major appliances like refrigerators or air conditioners can also create minor voltage fluctuations when they cycle on and off. Sometimes, loose wiring or other home electrical issues can cause surges.
Though a single significant surge can cause immediate damage, smaller surges can slowly wear down heating and cooling equipment 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 make equipment more at risk of 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 susceptible to electric surges.
- Smart thermostats. A smart thermostat uses 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. Variable-capacity HVAC systems use sophisticated electronics that benefit from surge protection.
Which HVAC Components Are Most Vulnerable to Power Surges?
Damage from power surges can cost hundreds or even more to repair. Installing whole-house surge protection helps minimize the risk of unexpected failures and major HVAC repair after electrical surge incidents.
HVAC components most commonly affected by power surges in Corpus Christi include:
- Control boards:Protecting your HVAC system’s control board safeguards its primary.
- Airconditioner compressors. An HVAC compressor is one of the highest-priced parts of an air conditioner or heat pump to replace.
- Blower motors.Voltage spikes can damage motors that circulate conditioned air throughout your home.
- Capacitors. Power surges may weaken or damage these components, impacting system startup and performance.
- Thermostats and Smart Home Technology. Electronic thermostats can malfunction after frequent voltage spikes.
- Heat pumpelectronics. Heat pump systems depend on multiple electronic components which are 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 heating and cooling system. For complete HVAC system protection, whole-home surge protection offers broader coverage and lasting value.
A professionally installed whole-home surge protector is located 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 HVAC equipment.
Benefits of Whole-Home HVAC 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:
- Reduced repaircosts. Preventing surge damage can help reduce expensive HVAC repairs.
- Extended HVAC system lifespan. Sensitive components experience less electrical stress over time when protected correctly.
- Protection of homeelectronics. In addition to protecting your HVAC, a whole-house surge protector also safeguards appliances, computers and entertainment systems.
- Greater peace of mind duringstorms. Surge protection provides added confidence when severe weather strikes.
- Defense against everyday electrical fluctuations. Even small, routine surges can gradually damage your HVAC system.
5 Signs Your Home Could Benefit from Surge Protection
- Regular summer storms. Given the powerful summer storms in Corpus Christi, lightning protection for your HVAC can help minimize the risk of surge-related damage.
- Frequent power outages or flickering lights. Ongoing power interruptions and voltage fluctuations increase the likelihood of damaging voltage spikes.
- Older electrical systems. Old wiring or obsolete electrical equipment can increase your home’s surge risk.
- High-efficiency HVAC equipment. Safeguarding a high-efficiency heating and cooling system by installing whole-home surge protection is often far less costly than repairing or replacing damaged components.
- Connected home technology. Homes with connected thermostats and other connected devices have even more sensitive electronics to protect.
Expert Surge Protection Installation Is Important
Whole-home surge protection must be installed correctly to provide dependable protection. Working with licensed HVAC and electrical professionals like the team at Total Assurance AC & Heating helps ensure the surge protection device is properly installed and ready to safeguard your home HVAC system.
The skilled professionals at Total Assurance AC & Heating understand the specific 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 with Whole-Home Surge Protection
Power surges aren’t always dramatic, but they can have a major 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-home protection. 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 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 361-446-6925 today.
Frequently Asked Questions About HVAC Surge Protection
Is whole-home surge protection worth it for an HVAC system?
Yes. 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 HVAC components, and it helps extend the life of your home comfort system.
Can a power surge damage an an air conditioning system?
It can. A power surge can damage an air conditioning compressor, circuit board and blower motor, leading to costly repairs. Installing AC surge protection can protect your air conditioner from electrical surges by shielding the sensitive HVAC components.
What are the common causes of power surges throughout 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. Another possible cause is problems within your home’s electrical system. Repeated minor power surges can gradually wear down HVAC components over time.
What is the average lifespan of a whole-house surge protector?
Most whole-home surge protectors last 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 homeowners insurance cover damage caused by power surges?
It can. Homeowners insurance sometimes cover power surge damage, but coverage depends on your policy and the cause of the surge. Since coverage and deductibles differ, surge protection installation is often cost-effective way to avoid paying for preventable and expensive HVAC repairs.
Will a surge protector help protect smart thermostats?
Yes. Power surge protection for HVAC helps protect smart thermostats and other connected HVAC components from electrical surges. It can also improve system lifespan and reduce the risk of costly repairs to home heating and cooling equipment.
