Homeowners often think power surges occur only during lightning storms. Although lightning is one cause, it’s certainly not 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 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 shield one of your home’s biggest investments and reduce the risk of major repairs.
What Are Power Surges
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 may damage household electronics, including HVAC equipment.
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 brief voltage fluctuations when they cycle on and off. It’s also possible that loose wiring or other home electrical issues can cause surges.
Although one major power surge can cause immediate damage, smaller surges can slowly wear down heating and air conditioning systems over time, limiting 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. Even though hese advanced features 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:
- Control boards. They function as the system’s control center and can be damaged by even brief or small voltage spikes.
- Variable-speed motors. These energy-saving 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. Many newer heating and air conditioning systems use electronic communication between indoor and outdoor units for efficient operation.
- Inverter technology. Systems with variable-capacity operation use sophisticated electronics that are better protected with surge protection.
Which HVAC Components Are Most Vulnerable to Power Surges?
Damage from electrical surges can cost hundreds or even thousands of dollars to fix. Installing whole-home surge protection helps lower the risk of unexpected failures and major HVAC repair after power surge incidents.
HVAC components most commonly affected by power surges in Rapid City include:
- Control boards:Protecting your HVAC system’s control board safeguards its primary.
- Compressors. The compressor is one of the most expensive parts of an air conditioner or heat pump to replace.
- Blower motors.Voltage spikes can damage motors used to move conditioned air throughout your home.
- Capacitors. Electrical surges can weaken or damage these components, affecting system startup and performance.
- Smartthermostats. A smart thermostat can malfunction after frequent voltage spikes.
- Heat pumpelectronics. Modern heat pumps use multiple electronic components that are particularly vulnerable to surges.
Comparing Whole-Home Surge Protection to Power Strips
Homeowners commonly use surge-protecting power strips for computers and televisions, but those devices don’t protect your furnace or air conditioner. For HVAC system protection, whole-home surge protection offers more comprehensive coverage and long-term value.
A professionally installed whole-home surge protector is located at your home’s electrical panel. Rather than protecting only one outlet, it helps safeguard major appliances and electronics throughout your house, including your heating and cooling equipment.
Benefits of Whole-Home HVAC Surge Protection
Adding whole-home surge protection is a smart way to protect your HVAC investment while helping safeguard other valuable electronics throughout your home.
Benefits of whole-home HVAC surge protection include:
- Reduced repaircosts. Avoiding surge damage can help avoid expensive HVAC repairs.
- Longer HVAC equipmentlife. Sensitive components experience lower electrical stress over time when equipped with surge protection.
- Protection of homeelectronics. In addition to protecting your HVAC, whole-home surge protection also shields appliances, computers and entertainment systems.
- Greater peace of mind duringstorms. You’ll have added confidence when severe weather strikes.
- Protectionagainst everyday electrical fluctuations. Minor electrical surges can gradually damage connected HVAC devices.
5 Signs It’s Time to Consider Surge Protection
- Frequent storms. Given the frequent summer storms in Rapid City, lightning protection for your HVAC can help minimize the risk of electrical surge damage.
- Power outages or flickering lights. Repeated outages and changing voltage levels increase the likelihood of power surges.
- Older electrical systems. Old wiring or obsolete electrical equipment can add to your home’s surge risk.
- Modern heating and cooling equipment. Safeguarding a high-efficiency heating and cooling system by installing whole-home surge protection is often less expensive than repairing or replacing damaged components.
- Connected home technology. Homes with Wi-Fi thermostats and other connected devices have additional sensitive electronics to protect.
Expert Surge Protection Installation Makes a Difference
Home HVAC surge protection must be installed correctly to provide reliable protection. Choosing licensed HVAC and electrical professionals like the team at Precision Mechanical helps make sure the surge protection device is properly installed and ready to protect your home HVAC system.
The skilled professionals at Precision Mechanical understand the specific electrical needs of modern HVAC equipment and will help you choose the right surge protector for your air conditioner, furnace and other home comfort systems.
Protect Your HVAC Investment from Future Power Surges
Electrical surges aren’t always obvious, but they can have a significant impact on your HVAC system. Adding whole-home surge protection is a smart way to help prevent costly 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 surge protection systems. Our professionals will evaluate your home’s needs and suggest a setup to protect your home HVAC. Beyond surge protection, we offer all electrical services for the rest of your home.
Learn how surge protection can help safeguard your HVAC equipment. Schedule service online or call 605-702-0850 today.
Frequently Asked Questions About Whole-Home Surge protection for HVAC
Is whole-home surge protection worth it for an HVAC system?
Absolutely. Whole-house 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 heating and cooling components, helping extend the life of your home comfort system.
Can a sudden power spike damage an an air conditioning system?
Absolutely. A power surge can damage an air conditioner’s compressor, circuit board and blower motor, which can cause costly repairs. AC surge protection helps protect your air conditioner from power surges by shielding the sensitive HVAC components.
What are the common causes of 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. Even small, repeated 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 a home that has frequent storms or utility power fluctuations may require replacement sooner.
Does a homeowners insurance policy cover power surge damage?
It depends. Homeowners insurance sometimes 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 whole-home surge protection help protect smart thermostats?
Yes. Power surge protection for HVAC helps protect smart thermostats and other connected HVAC components from damaging voltage spikes. It also helps improve system performance and reduce the risk of extensive repairs to home heating and cooling equipment.
