Many homeowners think power surges are limited to lightning storms. While lightning is definitely one cause, it isn’t 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 can 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 major repairs. 

What Is a Power Surge  

A power surge is a sudden spike in electrical voltage running through your home’s wiring. While it lasts only a fraction of a second, it may 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 minor voltage fluctuations when they cycle on and off. It’s also possible that loose wiring or other home electrical issues contribute to surges. 

Though a single significant surge can cause immediate damage, smaller, repeated voltage spikes can slowly wear down HVAC components over time, shortening their lifespan. 

Why Modern HVAC Systems Require Better Surge Protection 

Modern heating and cooling systems use high-tech electronics to improve comfort and energy efficiency. While these 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. These act as the system’s control center and can be damaged by even very small voltage spikes. 
  • Energy-efficient variable-speed 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 control your HVAC equipment. 
  • Electronic communication systems. Today’s HVAC systems rely on electronic communication between indoor and outdoor units for reliable operation. 
  • Inverter-driven technology. Systems with variable-capacity operation use sophisticated electronics that work best with surge protection. 

Which HVAC Components Need the Most Protection? 

Damage from voltage spikes can cost hundreds or even thousands to repair. Installing whole-home surge protection helps minimize the risk of unexpected failures and major HVAC repair after electrical surge incidents. 

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

  • Control boards:Installing a whole-house surge protector protects your HVAC control board’s main. 
  • Compressors. An HVAC compressor is one of the most expensive 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, affecting system startup and performance. 
  • Smartthermostats. Electronic thermostats can malfunction after multiple voltage spikes. 
  • Heat pumpelectronics. Heat pumps rely on multiple electronic components that can be vulnerable to surges. 

Whole-Home Surge Protection vs. Power Strips 

Homeowners commonly use surge-protecting power strips for computers and televisions, but those devices don’t protect your furnace or air conditioner. To provide complete HVAC system protection, whole-home surge protection offers greater 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 the house, including your HVAC equipment. 

Benefits of Whole-Home Surge Protection 

Installing whole-home surge protection is a proactive 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: 

  • Lower repair expenses. Preventing surge damage can help reduce expensive HVAC repairs. 
  • Extended HVAC system lifespan. vulnerable technological components experience reduced electrical stress over time when properly protected. 
  • Protection of homeelectronics. In addition to protecting your HVAC, whole-home surge protection also safeguards appliances, computers and entertainment systems. 
  • Added confidence during severe weather. Surge protection provides added confidence when severe weather strikes. 
  • Protectionagainst everyday electrical fluctuations. Small voltage spikes can gradually damage connected HVAC devices. 

5 Signs Your Home Could Benefit from Surge Protection 

  1. Regular summer storms. Given the frequent summer storms in Houston, lightning protection for your HVAC can help minimize the risk of power surge damage. 
  2. Power outages or flickering lights. Ongoing power interruptions and changing voltage levels increase the likelihood of damaging voltage spikes. 
  3. Aging electrical systems. Old wiring or obsolete electrical equipment can raise your home’s surge risk. 
  4. Expensive HVAC equipment. Protecting a high-efficiency heating and cooling system with a surge protector is often more affordable than repairing or replacing damaged components. 
  5. Smart home devices. Homes with smart thermostats and other connected devices have even more sensitive electronics to protect. 

 

Expert Surge Protection Installation Makes a Difference 

Whole-home surge protection must be professionally installed to provide consistent protection. Working with licensed HVAC and electrical professionals like the team at Air Current AC & Heat helps make sure the surge protection device is properly installed and ready to safeguard your home HVAC system. 

The skilled professionals at Air Current AC & Heat understand the specialized electrical needs of modern HVAC equipment and will help you choose the right surge protector for your air conditioner, 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 significant 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 considering 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 assess your home’s needs and help you choose a customized solution to protect your home HVAC. In addition to 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 713-257-9226 today. 

Frequently Asked Questions About HVAC Surge Protection 

Absolutely. Whole-home surge protection is often a smart investment because it helps protect expensive HVAC equipment. Installing surge protection is typically much lower than repairing or replacing damaged heating and cooling 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 major repairs. AC surge protection helps protect your air conditioner from electrical fluctuations by shielding the 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. They can also result from problems within your home’s electrical system. Small voltage spikes can gradually wear down HVAC components over time.

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 require replacement sooner.

In some cases, but not all. Homeowners insurance can cover power surge damage, but coverage depends on your policy and the reason for the surge. Since coverage and deductibles differ, surge protection installation is often cost-effective way to help prevent expensive HVAC repairs.

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