Many homeowners think power surges occur only during lightning storms. Although lightning is one cause, it’s far from the only one.  Major appliances turning on and off, electrical grid switching, power outages and restoration can all create power surges inside your home. 

These electric voltage spikes don’t just threaten televisions and computers. They may also cause HVAC electrical damage because current heating and cooling systems rely on highly sensitive electronic components. Fortunately, HVAC surge protection can help protect one of your home’s biggest investments and reduce the risk of costly repairs. 

What Is a Power Surge  

A home power surge is a brief spike in electrical voltage in your home’s wiring. While it lasts only a fraction of a second, it can damage home electronics. 

Lightning is the most well-known cause, but many electrical surges begin much closer to home. Electric utility providers routinely switch power on the electrical grid, and voltage can also spike when electricity is restored after an outage. Household appliances like refrigerators or AC units can also create small 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 HVAC components over time, limiting their lifespan. 

Why Modern HVAC Systems Require Better Surge Protection 

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 also make equipment more at risk of damage from voltage spikes, increasing the importance of HVAC electrical protection. 

Some of the most at-risk HVAC components to power surges include: 

  • Electronic circuit 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 susceptible 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 energy-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 voltage spikes can cost hundreds or even thousands of dollars to repair or replace. Installing electrical surge protection helps lower the risk of unexpected failures and expensive HVAC repair after electrical surge incidents. 

HVAC components that are frequently damaged by power surges in Elk River include: 

  • Control boards:Protecting your HVAC system’s control board safeguards its primary. 
  • Airconditioner 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 that circulate conditioned air throughout your home. 
  • HVAC system capacitors. Electrical surges can weaken or damage these components, reducing system startup and performance. 
  • Thermostats and Smart Home Technology. Electronic thermostats can malfunction after frequent voltage spikes. 
  • Electronic heat pump components. Heat pump systems depend on multiple electronic components which are vulnerable to surges. 

Whole-Home Surge Protection vs. Power Strips 

Homeowners commonly use surge-protecting power strips for computers and televisions, but power strips don’t protect your heating and cooling system. For complete HVAC system protection, whole-home surge protection offers broader coverage and greater long-term value. 

A professionally installed whole-home surge protector is set up right at your home’s electrical panel. Rather than protecting only one outlet, it helps safeguard major appliances and electronics throughout your house, including your HVAC equipment. 

Benefits of Whole-House Surge Protection 

Installing whole-home surge protection is an effective 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: 

  • Fewer repair costs. Reducing surge damage can help prevent expensive HVAC repairs. 
  • Longer-lasting HVAC equipment. Sensitive components experience lower 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. 
  • Less stress during storms. Homeowners gain added confidence when weather-related power outages occur. 
  • Protection from everyday electrical fluctuations. Minor electrical surges can gradually damage your HVAC system. 

5 Signs It’s Time to Consider Surge Protection 

  1. Frequent storms. Given the powerful summer storms in Elk River, lightning protection for your HVAC can help lower the risk of power surge damage. 
  2. Power outages or flickering lights. Repeated outages and voltage fluctuations increase the likelihood of power surges. 
  3. Aging electrical systems. Old wiring or outdated electrical equipment can increase your home’s surge risk. 
  4. Expensive HVAC equipment. Protecting a high-efficiency heating and cooling system by installing whole-home surge protection is often more affordable than repairing or replacing damaged components. 
  5. Smart home devices. Homes with connected thermostats and other connected devices have additional sensitive electronics to protect. 

 

Professional Surge Protection Installation Makes a Difference 

Whole-home surge protection must be installed correctly to provide consistent protection. Hiring licensed HVAC and electrical professionals like the team at Home Comfort Heating & Air helps ensure the surge protection device is properly installed and ready to help protect your home HVAC system. 

The skilled professionals at Home Comfort Heating & Air understand the specific electrical needs of modern HVAC equipment and will identify the right surge protector for your AC, 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 major impact on your HVAC equipment. Investing in whole-home surge protection is a proactive way to help prevent costly 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 variety of surge protection options, including whole-home protection. Our professionals will review your home’s needs and recommend a setup to protect your home HVAC. In addition to 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 763-276-0617 today. 

Frequently Asked Questions About HVAC Surge Protection 

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 furnace or air conditioner components, which can help extend the life of your home comfort system.

Absolutely. A power surge can damage an air conditioner’s compressor, circuit board and blower motor, leading to major repairs. A surge protector for your AC helps protect your air conditioner from electrical fluctuations by reducing the impact of voltage spikes before they reach sensitive HVAC components.

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. Small voltage spikes can gradually wear down HVAC components over time.

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 need replacement sooner.

It can. Homeowners insurance sometimes cover power surge damage, but coverage depends on your policy and the cause of the surge. With policy limits and deductibles varying, surge protection installation is often cost-effective way to help prevent expensive HVAC repairs.

Absolutely. Power surge protection for HVAC helps protect smart thermostats and other connected HVAC components from power surges. It also helps improve system longevity and reduce the risk of costly repairs to modern heating and cooling equipment.