Homeowners often think power surges are limited to lightning storms. Although 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 pose a risk to televisions and computers. They may also cause HVAC electrical damage because current heating and cooling systems rely on sophisticated electronic components. Fortunately, HVAC surge protection can help shield 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 short spike in electrical voltage running through your home’s wiring. Even though it lasts only a fraction of a second, it can damage home electronics.
Many people know 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. Large appliances like refrigerators or AC units can also create brief voltage fluctuations when they cycle on and off. In some cases, loose wiring or other home electrical issues lead to surges.
While a single large surge can cause immediate damage, smaller surges can slowly wear down HVAC components over time, shortening 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. While these features offer many benefits, they can make equipment more sensitive to voltage spikes, highlighting the importance of HVAC electrical protection.
Some of the most vulnerable 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 blower motors. These advanced motors rely on electronic controls that are sensitive to electric surges.
- Smart thermostats. Smart home devices are made with delicate electronics that automatically adjust your HVAC equipment.
- HVAC system communication controls. Many newer heating and air conditioning systems use electronic communication between indoor and outdoor units for efficient operation.
- Inverter-driven technology. Variable-capacity HVAC systems rely on 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 thousands to repair. Installing whole-house surge protection helps lower the risk of unexpected failures and expensive HVAC repair after voltage spike incidents.
HVAC components most commonly affected by power surges in Crystal and Twin Cities 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 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.
- HVAC system capacitors. Electrical surges can weaken or damage these components, impacting system startup and performance.
- Thermostats and Smart Home Technology. These devices may malfunction after repeated voltage spikes.
- Heat pump control electronics. Modern heat pumps use multiple electronic components that can be vulnerable to surges.
Which is Better for My Home: Whole-Home Surge Protection or Power Strips?
Many homeowners use surge-protecting power strips for computers and televisions, but those devices don’t protect your HVAC system. For complete HVAC system protection, whole-home surge protection offers more comprehensive coverage and lasting value.
A professionally installed whole-house 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 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 helping safeguard other valuable electronics throughout your home.
Benefits of whole-home HVAC surge protection include:
- Lower repair expenses. Preventing surge damage can help prevent expensive HVAC repairs.
- Longer-lasting HVAC equipment. Sensitive components experience reduced electrical stress over time when equipped with surge protection.
- Home electronics protection. In addition to protecting your HVAC, a whole-home surge protector also helps protect appliances, computers and entertainment systems.
- Added confidence during severe weather. Homeowners gain added confidence when severe storms strike your area.
- Defense against everyday electrical fluctuations. Small voltage spikes can gradually damage connected HVAC devices.
5 Signs It’s Time to Consider Surge Protection
- Regular summer storms. Given the strong summer storms in Crystal and Twin Cities, lightning protection for your HVAC can help minimize the risk of electrical surge damage.
- Frequent power outages or flickering lights. Repeated outages and electrical fluctuations increase the likelihood of power surges.
- Aging electrical systems. Old wiring or substandard 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 far less costly than repairing or replacing damaged components.
- Smart home technology. Homes with connected thermostats and other connected devices have additional sensitive electronics to protect.
Why Professional Surge Protection Installation Is Important
Home HVAC surge protection must be professionally installed to provide dependable protection. Hiring licensed HVAC and electrical professionals like the team at GV Heating & Air helps ensure the surge protection device is properly installed and ready to protect your home HVAC system.
The experienced professionals at GV Heating & Air understand the specialized 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 obvious, but they can have a big impact on your heating and cooling system. 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 interested in 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 protection. Our professionals will review your home’s needs and help you choose a setup to protect your home HVAC. Beyond surge protection, we provide all electrical services for the rest of your home.
Find out how surge protection can help protect your HVAC equipment. Schedule service online or call 763-535-2000 today.
Frequently Asked Questions About HVAC Surge Protection
Is a whole-house surge protection beneficial for an HVAC system?
Absolutely. Whole-home surge protection is often worth the investment because it helps protect expensive HVAC equipment. Compared with repair costs, 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 sudden power spike damage an air conditioner?
Yes. A power surge can damage an air conditioner’s compressor, circuit board and blower motor, leading to expensive repairs. Installing AC surge protection can protect your air conditioner from power surges by reducing the impact of voltage spikes before they reach sensitive HVAC components.
What are the common causes of power surges in 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 a whole-home surge protector last?
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 properties that experience frequent storms or utility power fluctuations may require replacement sooner.
Does homeowners’ insurance cover damage caused by power surges?
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 a smart way to help prevent expensive HVAC repairs.
Does a surge protector help protect smart thermostats?
Yes. Power surge protection for HVAC helps safeguard smart thermostats and other connected HVAC components from electrical surges. It can also improve system lifespan and reduce the risk of costly repairs to your home’s heating and cooling equipment.
