Homeowners often think power surges only happen during lightning storms. While lightning is one cause, it isn’t the only one. Utility grid activity, restoring power after outages and large household appliances cycling can all create voltage spikes inside your home.
These surges don’t just threaten televisions and computers. They may also cause HVAC electrical damage because modern heating and cooling systems rely on highly sensitive electronic components. Fortunately, HVAC surge protection can help safeguard one of your home’s biggest investments and reduce the risk of expensive repairs.
What Are Power Surges
A 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 may damage household electronics, including HVAC equipment.
Lightning is the most well-known cause, but many electrical surges begin 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. Large appliances like refrigerators or AC units can also create minor 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 surges can slowly wear down HVAC components over time, limiting their lifespan.
Why Modern HVAC Systems Need More Surge Protection Than Ever
Modern heating and cooling systems use high-tech electronics to improve comfort and energy efficiency. Although these technologies offer many benefits, they can make equipment more vulnerable to damage from voltage spikes, increasing the importance of HVAC electrical protection.
Some of the most at-risk HVAC components to power surges include:
- Circuit boards. They function as the system’s control center and can be damaged by even minimal voltage spikes.
- Variable-speed motors. Variable speed motors rely on electronic controls that are susceptible to electric surges.
- Smart thermostats. Connected thermostats contain delicate electronics that control your HVAC equipment.
- Communication systems. Many newer heating and air conditioning systems use 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 Are Most at Risk?
Damage from power 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 electrical surge incidents.
HVAC components most vulnerable to power surges in Pacheco include:
- Control boards:The HVAC system’s control board contains essential operating controls, which can be badly damaged by surges.
- Compressors. The compressor is one of the costliest parts of an air conditioner or heat pump to replace.
- Blower motors.Electrical surges can damage motors used to move conditioned air throughout your home.
- HVACcapacitors. Power surges may weaken or damage these components, affecting system startup and performance.
- Thermostats and Smart Home Technology. These devices may malfunction after multiple voltage spikes.
- Electronic heat pump components. Modern heat pumps use multiple electronic components that can be vulnerable to surges.
Comparing Whole-Home Surge Protection to Power Strips
Homeowners commonly use surge-protecting power strips for computers and televisions, but power strips don’t protect your HVAC system. To provide complete HVAC system protection, whole-home surge protection offers broader coverage and long-term value.
A professionally installed whole-house surge protector is connected at your home’s electrical panel. Instead of regulating electricity to only one outlet, it can help safeguard major appliances and electronics throughout your entire house, including your HVAC equipment.
Benefits of Whole-House Surge Protection
Installing 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:
- Lower repair expenses. Reducing surge damage can help prevent expensive HVAC repairs.
- Longer-lasting HVAC equipment. Sensitive components experience less electrical stress over time when protected correctly.
- Home electronics protection. In addition to protecting your HVAC, a whole-home surge protector also shields appliances, computers and entertainment systems.
- Less stress during storms. You’ll have added confidence when weather-related power outages occur.
- Protectionagainst everyday electrical fluctuations. Minor electrical surges can gradually damage your HVAC system.
5 Signs You May Need Surge Protection
- Severe weather. Given the frequent summer storms in Pacheco, lightning protection for your HVAC can help reduce the risk of electrical surge damage.
- Blackouts or flickering lights. Repeated outages and electrical fluctuations increase the likelihood of electrical surges.
- Older electrical systems. Old wiring or obsolete 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 less expensive than repairing or replacing damaged components.
- Smart home technology. Homes with smart thermostats and other connected devices have even more sensitive electronics to protect.
Why Professional Surge Protection Installation Matters
Home HVAC surge protection must be professionally installed to provide consistent protection. Hiring licensed HVAC and electrical professionals like the team at Clean Air HVAC helps ensure the surge protection device is properly installed and ready to protect your home HVAC system.
The highly trained professionals at Clean Air HVAC understand the unique electrical needs of modern HVAC equipment and will recommend the right surge protector for your air conditioning unit, furnace and other home comfort systems.
Protect Your HVAC Investment Before the Next Power Surge
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 smart way to help prevent major 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 comprehensive surge protection options, including whole-home protection. Our professionals will review your home’s needs and recommend a customized solution 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 925-267-6219 today.
Frequently Asked Questions About HVAC Surge Protection
Is HVAC surge protection a good investment?
In most cases, yes. Whole-home surge protection is typically a worthwhile 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 an electrical surge damage an air conditioner?
It can. A power surge can damage an air conditioning compressor, circuit board and blower motor, resulting in expensive repairs. AC surge protection helps protect your air conditioner from electrical surges by shielding the sensitive HVAC components.
What can cause power surges inside 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. Repeated minor power 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 a home that has frequent storms or utility power fluctuations may require 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 what caused 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 whole-home surge protection help protect smart thermostats?
Yes. Power surge protection for HVAC helps safeguard smart thermostats and other connected HVAC components from power surges. It can also improve system longevity and reduce the risk of costly repairs to your home’s heating and cooling equipment.
