7 Signs Your Furnace Is Going to Explode

7 Signs Your Furnace Is Going to Explode

When the temperature outside drops below freezing, a furnace can be a lifesaver inside the house. However, regular furnace maintenance is necessary when operating many furnaces. If you leave a problem with your furnace unfixed, it could explode.

To avoid any potential hazards, it is important to inspect the furnace on a regular basis. In this article, we will discuss the safety measures you should take and highlight the top 7 signs that your furnace is going to explode.

Can A Furnace Explode?

7 Signs Your Furnace Is Going to Explode

Even though the safety standards in the majority of furnaces are high, an explosion can occur if you do not take proper care of them. The furnaces require maintenance off and on, especially in winter. Understanding when your furnace needs repairing will reduce the risk of any kind of explosion. We would recommend you to stay in contact with a heating installation or repair company.

7 Signs Your Furnace is Going to Explode

7 Signs Your Furnace Is Going to Explode

Checking on your furnace often will help you identify issues on time. Even a minor problem can sometimes lead to an explosion. Here are the top signs that will indicate your furnace is going to explode:

Fuel Smell

One of the most common and easy signs is being able to smell fuel from your furnace when turned on. This is mainly due to any sort of leakage and it is highly flammable. Never try to resolve this issue on your own in such cases. Call a technician for immediate help and leave the house.

Weird Noises

Do you hear some strange noises, like rattling or dangling from your furnace? That is because there is something stuck in the heater. It can be a scrappy noise, a screeching noise, or a slapping one. It’s better to contact an hvac expert to check if something is stuck in the motor or somewhere.  

Carbon Monoxide Detector Not Working

A furnace burns fuel to produce heat and releases carbon monoxide. This gas is highly dangerous if there is any sort of leakage. In such cases, you need to get out of the house or building immediately and call your gas company or HVAC Professionals for immediate help.

Furnace Heater Doesn’t Switch On

The furnace heater is inactive throughout the summer. This inactivity can sometimes create technicalities within the wiring. If your furnace is not turning on, don’t try to inspect the problem on your own. Instead, call a related professional and let them take care of it.

Experience More Heat Than Usual

The main job of the furnace is to make your room warm in brutal freezing weather. But there is a limit to Everything. If you feel more heat than usual, it’s a sign the furnace might explode at any time. Turn off the appliance immediately and call your gas company to have a look at the furnace.

Furnace Not Producing Enough Heat

A Furnace not producing enough heat is also something to look at. Usually, this happens when your air filters are choked with dust or any small leakage. If not repaired on time, the furnace will overheat and might cause an explosion.

Burner Flame Blue or Yellow

A blue flame pilot light is an indication of a properly working furnace. This blue light indicates that the carbon monoxide gas is ventilating properly from your house. However, if you notice the pilot light yellow, you need to turn off the furnace immediately and call professionals to check if there is any leakage.

How to Prevent a Furnace From Explosion?

7 Signs Your Furnace Is Going to Explode

It’s easy to minimize the risk of any kind of furnace explosion by following some basic safety and maintenance procedures:

Air Filters

Air filters are responsible for the proper circulation of heat and prevent dust particles from coming into the furnace. A blocked air filter will tend to overheat the appliance and might catch fire.

High Gas Pressure

Make sure you are using the right gas pressure as advised by the company. Too high pressure can result in overheating the furnace.

Keep Area Clear

Do not keep any flammable material or any chemical near the furnace that might catch fire.

Regular Maintenance

Schedule regular maintenance to make sure issues are resolved on time. This includes checking the wiring, cleaning, and any leakage in the furnace.

Keep Vents Clean

It’s important to keep your vents clean from any kind of dust, especially if you have pets in your house. Cleaning vents on time will increase the efficiency and life of the furnace. Check out these top 5 benefits of Furnace cleaning

Check Drain Pipes

It’s good to clean the drain pipes every once in a while for any dust accumulation on them.


Furnace plays a key role in making our household warm during winter. However, there is a high chance your furnace is going to explode if you don’t check it regularly. If you notice any of the signs above, you can contact Alturas HVACR and save yourself and your family from any kind of danger.

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