Homeowners often think power surges occur only 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 electrical surges don’t just pose a risk to televisions and computers. They can also cause HVAC electrical damage because modern heating and cooling systems rely on highly sensitive electronic components. Thankfully, HVAC surge protection can help safeguard one of your home’s biggest investments and reduce the risk of costly repairs.
What Are Power Surges
A power surge in your home 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 household electronics, including HVAC equipment.
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 voltage can also spike when electricity is restored after an outage. Large appliances like refrigerators or HVAC systems can also create minor voltage fluctuations when they cycle on and off. Sometimes, loose wiring or other home electrical issues lead to surges.
While a single large surge can cause immediate damage, repeated minor surges can slowly wear down heating and cooling equipment over time, shortening their lifespan.
Why Modern HVAC Systems Are More Vulnerable Than Ever
Many of today’s heating and cooling systems use sophisticated electronics to improve comfort and energy efficiency. Although these technologies offer many benefits, they also make equipment more vulnerable to damage from voltage spikes, highlighting the importance of HVAC electrical protection.
Some of the most vulnerable components to power surges include:
- Circuit boards. They function as the system’s control center and can be damaged by even very small voltage spikes.
- Energy-efficient variable-speed motors. Variable speed motors rely on electronic controls that are vulnerable to electric surges.
- Smart thermostats. Smart home devices are made with delicate electronics that control your HVAC equipment.
- Communication systems. Today’s HVAC systems rely on electronic communication between indoor and outdoor units for efficient 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 fix. Installing whole-house surge protection helps reduce the risk of unexpected failures and major HVAC repair after electrical surge incidents.
HVAC components that are frequently damaged by power surges in Fenton include:
- Control boards:The HVAC system’s control board contains essential operating controls, which can be badly damaged by surges.
- HVAC compressors. An HVAC compressor is one of the highest-priced 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. Surges can weaken or damage these components, impacting system startup and performance.
- Thermostats and Smart Home Technology. A smart thermostat can malfunction after multiple voltage spikes.
- Heat pumpelectronics. Heat pump systems depend on 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 power strips don’t protect your heating and cooling system. For HVAC system protection, whole-home surge protection offers broader coverage and lasting value.
A professionally installed whole-house surge protector is set up right at your home’s electrical panel. Instead of regulating electricity to only one outlet, it helps safeguard major appliances and electronics throughout your entire house, including your heating and cooling equipment.
Benefits of Whole-House Surge Protection
Using whole-home surge protection is a proactive way to protect your HVAC investment while also helping safeguard other valuable electronics throughout your home.
Benefits of whole-house HVAC surge protection include:
- Lower repair expenses. Reducing surge damage can help reduce expensive HVAC repairs.
- Longer-lasting HVAC equipment. Sensitive components experience reduced electrical stress over time when properly protected.
- Protection for household electronics. In addition to protecting your HVAC, a whole-home surge protector also shields appliances, computers and entertainment systems.
- Added confidence during severe weather. You’ll have added confidence when severe storms strike your area.
- Protectionagainst everyday electrical fluctuations. Small voltage spikes can gradually damage your HVAC system.
5 Signs Your Home Could Benefit from Surge Protection
- Regular summer storms. Given the strong summer storms in Fenton, lightning protection for your HVAC can help reduce the risk of electrical surge damage.
- Power outages or flickering lights. Frequent outages and electrical fluctuations increase the likelihood of electrical surges.
- Older electrical systems. Old wiring or outdated electrical equipment can add to your home’s surge risk.
- Expensive HVAC equipment. Shielding a high-efficiency heating and cooling system with a surge protector is often far less costly than repairing or replacing damaged components.
- Smart home technology. Homes with connected thermostats and other connected devices have even more sensitive electronics to protect.
Why Professional Surge Protection Installation Is Important
Home HVAC surge protection must be properly installed to provide reliable protection. Working with licensed HVAC and electrical professionals like the team at Comfort Solutions Heating & Cooling helps ensure the surge protection device is properly installed and ready to protect your home HVAC system.
The highly trained professionals at Comfort Solutions Heating & Cooling understand the specific electrical needs of modern HVAC equipment and will recommend the right surge protector for your AC, furnace and other home comfort systems.
Protect Your HVAC Investment from Future Power Surges
Power surges aren’t always obvious, but they can have a major impact on your heating and cooling system. Installing whole-home surge protection is a proactive way to help prevent expensive 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 wide variety of surge protection options, including whole-home protection. Our professionals will review your home’s needs and suggest a customized solution to protect your home HVAC. Beyond surge protection, we offer all electrical services for the rest of your home.
See how surge protection can help protect your HVAC equipment. Schedule service online or call 314-237-1100 today.
Frequently Asked Questions About Whole-Home Surge protection for HVAC
Is HVAC surge protection a good investment?
Yes. Whole-home surge protection is often worth the investment because it helps protect expensive HVAC equipment. 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 an electrical surge damage an AC unit?
It can. A power surge can damage an air conditioning compressor, circuit board and blower motor, resulting in 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 in a home?
The most common sources of power surges include 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. Even small, repeated surges can gradually wear down HVAC components over time.
What is the average lifespan of a whole-house surge protector?
A whole-house surge protector usually lasts 5 to 10 years, although actual service life 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 need replacement sooner.
Does homeowners’ insurance cover power surge damage?
In some cases, but not all. 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?
Absolutely. Power surge protection for HVAC helps shield smart thermostats and other connected HVAC components from damaging voltage spikes. It can also improve system longevity and reduce the risk of costly repairs to modern heating and cooling equipment.