Homeowners often think power surges occur only during lightning storms. While 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 electrical surges inside your home. 

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

What Is a Power Surge  

A power surge in your home is a sudden spike in electrical voltage in 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 voltage can also spike when electricity is restored after an outage. Household appliances like refrigerators or HVAC systems can also create minor voltage fluctuations when they cycle on and off. It’s also possible that loose wiring or other home electrical issues lead to surges. 

Though a single significant surge can cause immediate damage, smaller surges can slowly wear down heating and cooling equipment over time, limiting their lifespan. 

Why Modern HVAC Systems Require Better Surge Protection 

Today’s heating and cooling systems use high-tech electronics to improve comfort and energy efficiency. Although these technologies offer many benefits, they can 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: 

  • Electronic circuit boards. They serve as the system’s control center and can be damaged by even minimal voltage spikes. 
  • Energy-efficient variable-speed motors. These energy-saving motors rely on electronic controls that are susceptible to electric surges. 
  • Smart thermostats. A smart thermostat uses delicate electronics that communicate with your HVAC equipment. 
  • Communication systems. Modern heating and cooling systems use electronic communication between indoor and outdoor units for reliable operation. 
  • Inverter technology. Systems with variable-capacity operation use sophisticated electronics that benefit from surge protection. 

Which HVAC Components Need the Most Protection? 

Damage from electrical surges can cost hundreds or even thousands of dollars to repair or replace. Installing whole-home surge protection helps reduce the risk of unexpected failures and costly HVAC repair after voltage spike incidents. 

HVAC components most vulnerable to power surges in Georgetown include: 

  • Control boards:Protecting your HVAC system’s control board safeguards its primary. 
  • HVAC compressors. An HVAC 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. Power surges may weaken or damage these components, reducing system startup and performance. 
  • Smartthermostats. Electronic thermostats can malfunction after multiple voltage spikes. 
  • Heat pumpelectronics. Modern heat pumps use multiple electronic components which are vulnerable to surges. 

Whole-Home Surge Protection vs. Power Strips 

Many homeowners use surge-protecting power strips for computers and televisions, but these plug-in devices 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 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 the house, including your HVAC system. 

Benefits of Whole-Home Surge Protection 

Adding whole-home surge protection is a proactive way to protect your HVAC investment while helping safeguard other valuable electronics throughout your home. 

Benefits of whole-house HVAC surge protection include: 

  • Reduced repaircosts. Reducing surge damage can help reduce expensive HVAC repairs. 
  • Longer-lasting HVAC equipment. vulnerable technological components experience lower electrical stress over time when protected correctly. 
  • Home electronics protection. In addition to protecting your HVAC, a whole-house surge protector also safeguards appliances, computers and entertainment systems. 
  • Greater peace of mind duringstorms. You’ll have added confidence when weather-related power outages occur. 
  • Defense against everyday electrical fluctuations. Minor electrical surges can gradually damage connected HVAC devices. 

5 Signs It’s Time to Consider Surge Protection 

  1. Regular summer storms. Given the strong summer storms in Georgetown, lightning protection for your HVAC can help reduce the risk of power surge damage. 
  2. Blackouts or flickering lights. Ongoing power interruptions and voltage fluctuations increase the likelihood of electrical surges. 
  3. Aging electrical systems. Old wiring or substandard electrical equipment can increase your home’s surge risk. 
  4. Expensive HVAC 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. 
  5. Smart home technology. Homes with connected thermostats and other connected devices have more sensitive electronics to protect. 

 

Expert Surge Protection Installation Is Important 

Whole-house surge protection must be properly installed to provide reliable protection. Hiring licensed HVAC and electrical professionals like the team at Miller Climate Control LLC helps ensure the surge protection device is properly installed and ready to safeguard your home HVAC system. 

The experienced professionals at Miller Climate Control LLC understand the specialized 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 from Future Power Surges 

Power surges aren’t always dramatic, but they can have a major impact on your heating and cooling system. Investing in 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 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-house surge protectors. Our professionals will assess your home’s needs and help you choose a setup to protect your home HVAC. Along with surge protection, we provide all electrical services for the rest of your home. 

Find out how surge protection can help safeguard your HVAC equipment. Schedule service online or call 512-956-5040 today. 

Frequently Asked Questions About HVAC Surge Protection 

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

Yes. A power surge can damage an air conditioner’s compressor, circuit board and blower motor, leading to costly repairs. Installing AC surge protection can protect your air conditioner from electrical fluctuations by shielding the sensitive HVAC components.

Lightning strikes, utility grid switching and power outages are among the most common causes of power surges in homes. Power surges may also stem from problems within your home’s electrical system. Repeated minor power surges can gradually wear down HVAC components over time.

Most whole-home surge protectors last 5 to 10 years, although that 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.

In some cases, but not all. Homeowners insurance may cover power surge damage, but coverage depends on your policy and the cause of the surge. Since coverage and deductibles differ, surge protection installation is often a smart way to avoid paying for preventable and expensive HVAC repairs.

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