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The Daily Insight

Is it safe to have an air conditioner on during a thunderstorm

Author

Nathan Sanders

Published Apr 21, 2026

Operating your air conditioner during a thunderstorm can lead to some damage to your unit, so it’s best to shut it down when the weather starts acting up. Luckily, humidity and temperature drops when storms roll in, so you’ll get some relief even though your air conditioner is not in use.

Should I shut my AC off during a thunderstorm?

A protection system can help prevent damage to your AC unit, especially in the event of a thunderstorm. … Even so, they’re not guaranteed to be absolutely effective at preventing surges, which means turning off your AC during a thunderstorm is still the best idea.

Can rain damage your air conditioner?

Even though heavy rains cannot damage your AC unit, the winds accompanied by the same rain can leave dirt, leaves, twigs, and other debris to damage the condenser fan grille. Even objects falling on your unit, such as tree branches, from the storm can cause damage.

Can your AC unit get struck by lightning?

Lightning strikes can create a plethora of problems for your air conditioning unit, including a damaged capacitor. It’s one of the parts most commonly affected by lightning and one of the most common problems associated with a damaged air conditioner. Basically if the capacitor goes, the compressor will soon follow.

Can lightning strike through a house?

Lightning has the ability to strike a house or near a house and impart an electrical charge to the metal pipes used for plumbing. … Lightning is a very dangerous force that, yes, can even reach you indoors if you’re in contact with the telephone or plumbing.

How do you know if your AC is struck by lightning?

With confirmed lightning damage, there will always be visual evidence of arcing and charring of the equipment casing and/or housing. Additionally, multiple outdoor electrical components will be damaged, such as the contactor, capacitor, compressor, and fan motor.

How do I protect my AC from lightning?

  1. Turn Off Your Air Conditioner. It is a good idea to turn off your unit during a lightning storm. …
  2. Cover Your Unit. If there’s a severe thunderstorm or hurricane coming, use a tarp to cover your unit. …
  3. Inspect Your Unit.

Can I poop during a thunderstorm?

That combined with the methane gas in poop caused the bomb-like effect that traveled through the pipes, exploding the toilet in their master bathroom. … The plumbing company said this is just as rare as getting struck by lightning yourself. Luckily, the mess will be covered by insurance.

What should you do during a thunderstorm?

  • When thunder roars, go indoors! Move from outdoors into a building or car with a roof.
  • Pay attention to alerts and warnings.
  • Avoid using electronic devices connected to an electrical outlet.
  • Avoid running water.
  • Turn Around. Don’t Drown! Do not drive through flooded roadways.
Can lightning strike a phone?

Lightning can follow the wire to the handset and can injure the person using a landline. … If someone is struck by lightning and they have a cell phone on them, it will usually melt or burn. People have taken that and blamed the cell phone, Jensenius said, but in reality it is unrelated.

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What's lightning attracted to?

Lightning happens when the negative charges (electrons) in the bottom of the cloud are attracted to the positive charges (protons) in the ground.

Can a power surge damage your air conditioner?

A power surge on your modern AC could be devastating and result in a breakdown of the system. Many times, a spike in electricity could cause hidden problems inside your air conditioner. These are problems that you may not notice for months, such as premature wear and tear on vital internal components.

Is a car the safest place to be in a lightning storm?

Cars are safe from lightning because of the metal cage surrounding the people inside the vehicle. This may sound counter-intuitive because metal is a good conductor of electricity, but the metal cage of a car directs the lightning charge around the vehicle occupants and safely into the ground.

Can I watch TV during a thunderstorm?

Watching the TV is always OK.” Don’t hold on to a corded phone, however, or an appliance plugged into an outlet, because those pose a risk. If lightning strikes, the current could carry through those appliances, he said.

Where should you not be in a thunderstorm?

During a thunderstorm, avoid open vehicles such as convertibles, motorcycles, and golf carts. Be sure to avoid open structures such as porches, gazebos, baseball dugouts, and sports arenas. And stay away from open spaces such as golf courses, parks, playgrounds, ponds, lakes, swimming pools, and beaches.

Can I charge my phone during a thunderstorm?

It is said that you shouldn’t use electricity during a thunderstorm but charging a phone is totally safe. Just plug your phone but don’t use it while it is charging because that could be dangerous.

Can lightning go through windows?

Lightning can jump through windows, so keep your distance from them during storms! The second way lightning can enter a building is through pipes or wires. If the lightning strikes utility infrastructure, it can travel through those pipes or wires and enter your home that way.

How do you know if lightning hit your house?

  1. You Hear a Massively Loud Explosive or Boom Sound.
  2. You Hear Buzzing or Hissing Sounds Afterward.
  3. Interior and Exterior Smoke or Fires (including your roof, attic, basement, trees, etc.)
  4. Electrical Fire Smell.
  5. Fire Damage.

Why are there glass balls on lightning rods?

Lightning rods were embellished with ornamental glass balls (now prized by collectors). … The main purpose of these balls, however, was to provide evidence of a lightning strike by shattering or falling off.

Are apartments safe from lightning?

Myth: If you are in a house, you are 100% safe from lightning. Fact: A house is a safe place to be during a thunderstorm as long as you avoid anything that conducts electricity. This means staying off corded phones, electrical appliances, wires, TV cables, computers, plumbing, metal doors and windows.

Is it safe to use WiFi during a thunderstorm?

Storms can occur at any time, and you may not always be prepared. During a storm, you need to avoid contact with any device that is connected to a wall outlet, but it is OK to use wireless devices that are not connected to wall outlets, including cellular and cordless phones, as long as you are inside.

Where is the safest place to be during a lightning storm?

The safest location during a thunderstorm is inside a large enclosed structure with plumbing and electrical wiring. These include shopping centers, schools, office buildings, and private residences.

Should I put a surge protector on my air conditioner?

Importance of Using HVAC Surge Protectors Air conditioners contain numerous electrical components, including; compressor pump, thermostat, control system, fans and blowers among others. Each of these components can be damaged during a power surge, hence the need to install surge protectors.

Do air conditioners have surge protectors?

At first glance, it may seem that your air conditioner is mostly comprised of heavy-duty machinery like fans and other mechanical components. In reality, AC surge protectors are vital for at least two reasons: To shield sensitive electronic systems. To keep you from purchasing expensive replacement parts.

How much does an AC surge protector cost?

How Much Does an AC Surge Protector Cost to Install? The cost of an AC surge protector can vary widely, but protectors meant for AC units usually range from $75 to $100.

Do mirrors attract lightning?

No mirrors never attract lightning, rather it accepts any radiation( i mean flow of any particles bulked together) and re-radiate the same or some part of the incident radiation in the medium.

Do lightning rods attract lightning?

Myth #9: Lightning rods attract lightning. Fact: Definitely not! A lightning protection system simply intercepts a lightning strike and provides a path to ground for discharging the dangerous electricity.

Do rubber soles protect from lightning?

Myth: The rubber soles of shoes or rubber tires on a vehicle will protect you from lightning. Truth: Rubber soled shoes and rubber tires provide NO protection from lightning. The steel frame of a hard-topped vehicle provides increased protection if you are not touching metal.

What should you unplug in a thunderstorm?

If a thunderstorm hits your area the first thing you should do is unplug your computer – or you could risk losing everything on it. Lightning strikes can cause power surges that burn out home computers and monitors leaving them completely worthless.

Can I cook during a thunderstorm?

When it comes to doing the dishes or cooking during a thunderstorm, your best bet is to wait until the storm has passed.