Homeowners often think power surges occur only during lightning storms. While lightning is definitely 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 surges don’t just pose a risk to televisions and computers. These surges can cause HVAC electrical damage because modern heating and cooling systems rely on highly sensitive electronic components. Fortunately, HVAC surge protection can help shield one of your home’s biggest investments and reduce the risk of expensive 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 may damage household electronics, including HVAC equipment. 

Lightning is the most well-known cause, but many surges happen 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 small voltage fluctuations when they cycle on and off. In some cases, loose wiring or other home electrical issues contribute to surges. 

Although one major power surge can cause immediate damage, smaller, repeated voltage spikes can slowly wear down heating and air conditioning systems over time, shortening their lifespan. 

Why Modern HVAC Systems Need More Surge Protection Than Ever 

Today’s heating and cooling systems use advanced electronics to improve comfort and energy efficiency. While these features offer many benefits, they can make equipment more at risk of damage from voltage spikes, highlighting the importance of HVAC electrical protection. 

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

  • Electronic circuit boards. These act as the system’s control center and can be damaged by even brief or small voltage spikes. 
  • Variable-speed blower motors. These energy-saving 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. 
  • Electronic communication systems. Today’s HVAC systems rely on electronic communication between indoor and outdoor units for energy-efficient operation. 
  • Inverter-driven technology. Systems with variable-capacity operation use sophisticated electronics that work best with surge protection. 

Which HVAC Components Are Most at Risk? 

Damage from power surges can cost hundreds or even thousands to fix. Installing electrical surge protection helps minimize the risk of unexpected failures and major HVAC repair after power surge incidents. 

HVAC components most commonly affected by power surges in Winnipeg include: 

  • Control boards:Installing a whole-house surge protector protects your HVAC control board’s main. 
  • Compressors. This component is one of the most expensive parts of an air conditioner or heat pump to replace. 
  • Blower motors.Electrical surges can damage motors responsible for circulating conditioned air throughout your home. 
  • Capacitors. Surges can weaken or damage these components, reducing system startup and performance. 
  • Smartthermostats. Electronic thermostats can malfunction after multiple voltage spikes. 
  • Electronic heat pump components. Modern heat pumps use 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 HVAC system protection, whole-home surge protection offers more comprehensive coverage and greater long-term value. 

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

Benefits of Whole-Home Surge Protection 

Installing whole-home surge protection is an effective way to protect your HVAC investment while helping safeguard other valuable electronics throughout your home. 

Benefits of whole-home HVAC surge protection include: 

  • Fewer repair costs. Avoiding surge damage can help reduce expensive HVAC repairs. 
  • Longer HVAC equipmentlife. vulnerable technological components experience reduced electrical stress over time when properly protected. 
  • Protection of homeelectronics. In addition to protecting your HVAC, a whole-house surge protector also helps protect appliances, computers and entertainment systems. 
  • Greater peace of mind duringstorms. Surge protection provides added confidence when severe storms strike your area. 
  • Defense against everyday electrical fluctuations. Small voltage spikes can gradually damage connected HVAC devices. 

5 Signs You May Need Surge Protection 

  1. Regular summer storms. Given the frequent summer storms in Winnipeg, lightning protection for your HVAC can help reduce the risk of power surge damage. 
  2. Power outages or flickering lights. Frequent outages and voltage fluctuations increase the likelihood of electrical surges. 
  3. Aging electrical systems. Old wiring or outdated electrical equipment can add to your home’s surge risk. 
  4. High-efficiency HVAC equipment. Safeguarding a high-efficiency heating and cooling system with a surge protector is often more affordable than repairing or replacing damaged components. 
  5. Smart home technology. Homes with smart thermostats and other connected devices have more sensitive electronics to protect. 

 

Professional Surge Protection Installation Makes a Difference 

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

The highly trained professionals at Kirkfield Heating & Air Conditioning understand the unique electrical needs of modern HVAC equipment and will identify 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 big impact on your HVAC equipment. Installing whole-home surge protection is a smart way to help prevent expensive repairs, extend equipment life and improve the reliability of your HVAC system. 

If you’re ready to learn more about 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-house surge protectors. Our professionals will evaluate your home’s needs and help you choose a customized solution to protect your home HVAC. Beyond surge protection, we offer 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 204-813-7767 today. 

Frequently Asked Questions About HVAC Surge Protection 

Is whole-home surge protection worth it for an HVAC system? 

In most cases, yes. Whole-house 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 furnace or air conditioner 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 conditioning compressor, circuit board and blower motor, resulting in costly repairs. AC surge protection helps 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 throughout 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. Another possible cause is 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? 

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 homes that experience many severe storms or utility power fluctuations may need replacement sooner. 

Does homeowners insurance cover damage caused by power surges? 

It can. Homeowners insurance sometimes cover power surge damage, but coverage depends on your policy and the reason for the surge. With policy limits and deductibles varying, surge protection installation is often cost-effective way to protect your pocketbook from expensive HVAC repairs. 

Can whole-home surge protection help protect smart thermostats? 

It can. Power surge protection for HVAC helps protect smart thermostats and other connected HVAC components from damaging voltage spikes. It can also improve system reliability and reduce the risk of extensive repairs to your home’s heating and cooling equipment.