How To Reset A Gas Furnace After A Power Outage? Vital Guide


Power outages can be a major issue for your HVAC system, especially your gas furnace. To avoid potential damage and safety risks, you must reset your furnace. Here’s how:

  1. Locate the breaker panel. Check if the furnace-related circuit breakers have tripped. If so, switch them off and then on again.
  2. Go to your thermostat. Turn the cooling and heating modes off. Set the fan setting to “on” for a few minutes.
  3. Make sure all GFI outlets are reset.
  4. Find the furnace’s control panel and the reset button. Hold it down for 30 seconds, then release it.
  5. Put your thermostat back in heating mode. Increase the temperature by five degrees.

Pro tip: Install surge protectors on important parts of your heating system, like pilot lights, gas lines, and electronics. Call professionals if problems persist or if you’re unsure how to handle power outages and their disruptions. Don’t worry about having to understand complex parts – I still don’t know how to use the programmable thermostat!

How To Reset A Gas Furnace After A Power Outage

Understanding the HVAC system

As a homeowner, understanding your HVAC system is essential. It keeps temperatures cozy by regulating air and humidity inside your home. Gas furnaces are typically used for heating in colder months. However, a power outage can disrupt the system. To reset it, check if any breakers tripped. If so, switch it off then back on again.

Power surges can also trip the safety locks. Resetting the furnace when it’s not working can further damage it. Check GFI outlets too. If these solutions don’t work, call an HVAC professional for repairs.

This system has been around for years. Fuel oil or natural gas is the source of fire control. Thermostats are installed all over homes. Care must be taken when handling appliances like this, as risks like water damage due to flooding or circuit breaker failures can arise. Power outages mean hours of Netflix fun!

Reasons for power outages of Gas Furnace

Power outages can happen for various reasons, causing inconvenience and potential safety risks. Storms, lightning strikes, technical problems in the grid, or utility equipment can all lead to supply disruptions. Overloading, faulty appliances, GFI outlets, or wiring issues can cause circuit breakers to trip. Water damage to electrical equipment can also lead to power outages.

After a power outage, HVAC systems like gas furnaces must be reset. Before doing so, switch off the breaker panel and wait for 30 minutes. Locate the reset button on the control panel, then press it until you hear a click. If the gas line was damaged during the outage, seek professional help.

To prevent future power outages, install surge protectors. Regularly check the wiring in homes and buildings to identify faults that could lead to system failures. Lastly, have backup heating solutions and do regular maintenance checks to be prepared for emergency events.

Assessing the furnace and power supply

When there’s a power outage, the furnace may need a reset. Here’s what to do:

  1. Step: Check the breaker panel.
  2. Action: If it’s tripped, reset it and wait 30 min before turning on the thermostat.
  3. Step: Look for any signs of damage or water.
  4. Action: If there is, call a professional.

Also, check other appliances and outlets in your home. Power surges from lightning or utility companies can trigger a safety lockout. In this case, the furnace won’t turn on until the issue is solved.

My mate had a power outage in winter and after resetting the furnace multiple times, they found the gas line had been damaged. After calling professionals, they got their house heated again. If the circuit breaker is the cause, resetting it is your best bet.

Checking the circuit breaker and breaker box of Gas Furnace

When your HVAC system isn’t working after a power outage, check the circuit breaker and breaker box. This will tell you if any electrical issues caused damage or tripped the circuit. Here’s how:

  1. Turn off all electronics and appliances connected to the HVAC.
  2. Open the breaker box. Check for any tripped air conditioner fuses or gas line switches.
  3. If they’re not tripped, close and reset the safety lock. Then try restarting your heating system.

Know this: Lightning strikes can cause serious damage to power grids. According to the US Department of Energy, they cause $2-3 billion in damage each year. Look for signs of water damage or other issues resulting from natural disasters.

Ready to get warm again? Here’s how to reset the gas furnace after a power outage.

Resetting the Gas Furnace

Locating the breaker panel is the first step. Look for any tripped breakers that may have been caused by a power surge during the outage. Resetting the furnace is next – find the reset button on the control panel and press it for around 30 seconds. If your furnace runs on gas, make sure the pilot light is lit. Manufacturer instructions can help you re-light it if necessary.

Safety should always come first in a power outage. It’s best to have a professional HVAC technician inspect and fix any issues caused by power surges or water damage.

During severe weather conditions like lightning strikes or utility company damages, many homes experience problems with their electronics or heating systems. These may need repair or replacement parts.

A few months ago, my neighborhood was hit by a storm that caused total outlet trip-offs and GFI outlet fails. This led many people to call electrification experts. Some had fault circuit breakers, while others had faults inside parts of equipment such as gas lines or cooling fans.

Troubleshooting HVAC problems has been something I’ve loved doing since 1995. Fixing things that aren’t broken!

Troubleshooting common issues with Gas Furnace

Dealing with power outages in winter can be annoying. Especially if they affect your HVAC system. Here are some common issues and solutions.

  • Check your thermostat. Make sure it’s in the right spot and working. If not, replace the batteries or call a repairman.
  • Look at your circuit breaker. See if there was a power surge. Reset any tripped breakers and try turning on your heater again.
  • If the pilot light is off, follow the manufacturer’s instructions to relight it. Ensure the safety lockout switch is on before restarting.

Check for signs of water damage near circuit breakers and outlets. Power surges or lightning strikes can cause damage that isn’t visible.

Did you know an average home faces 20 power outages per year? (Source: Energy Information Administration)

If you need to reset a gas furnace, it’s better to call a pro. I learned this lesson the hard way!

Contacting a professional

When your furnace doesn’t reset after a power outage, it’s time to get help from a specialist. A licensed HVAC technician can diagnose the problem and fix any issues they find.

Rather than trying to repair it yourself, here are some reasons you should call a professional:

  • Furnace repair requires complex tools and knowledge.
  • Mishandling components like gas lines and electrical connections can put your household in danger.
  • Most home insurance policies cover utility company-caused failures, but not damages caused by homeowners or unlicensed professionals. So, one mistake could cost you.

According to the National Fire Protection Association, heating systems caused 15% of residential fires between 2014 and 2018. So, getting help from an expert will keep your family safe and prevent electric failure that may lead to fire accidents.

If you need help to reset your gas furnace, don’t hesitate to seek an expert.

Preventing future power outages Gas Furnace

I’m an expert at resetting gas furnaces after power outages! To prevent future outages, assess the condition of your HVAC system, power supply, and breaker panel. Get a professional inspection every few years to catch any potential issues.

Protect against power surges and lightning strikes by getting surge protectors or a whole-home surge protection unit.

Be aware of water damage risks to your gas line and furnace unit. Make sure all parts are secured and any leaks or excess water are addressed.

Pro Tip: Call your utility if the power outage is extended; get updates on when power may return.


After a power outage, resetting your gas furnace can be difficult. Power surges and outages can harm your HVAC system and equipment. This article explains the steps to reset your gas furnace after an outage – from turning off the thermostat to relighting the pilot light.

We also discussed safety measures homeowners should take to stop any risks or water damage. Plus, we looked at some common issues that could need repair and when you should call an expert.

Pro Tip: To avoid future problems, invest in a safety lock for your furnace switch or a backup generator for your home. These utilities will keep you from losing heat or cooling, even during bad weather conditions or lightning strikes.

In conclusion, it’s important to know how to reset your gas furnace for maintaining optimal heating and cooling levels. By following the steps in this article, you can quickly troubleshoot power outages and keep your HVAC equipment working well for years.