What would cause a furnace to explode?

A furnace explosion is usually the result of ignition and instantaneous combustion of highly flammable gas, vapor, or dust that has accumulated in a boiler.

How likely is it for a furnace to explode?

Although it is possible for a gas furnace to either catch fire or explode, it's highly unlikely. If there is a danger of this happening, the furnace will usually simply shut off—as it's designed to. Regular maintenance will further reduce this already unlikely event.

How do you know if your furnace is going to explode?

Noises such as popping, groaning, banging, or rattling that aren't normally produced by the furnace suggest its components are malfunctioning. In addition to the loud noise, if the blower is frequently turning on and off and blowing cool air into your home, there is a high possibility that your furnace is not working.

Why does my furnace sound like an explosion?

Bloodcurdling “Booms & Bangs”

When too much gas builds up in the combustion chamber and the ignition is delayed, your furnace experiences a small gas explosion. This can be caused by low gas pressure, clogged burners, and dirty equipment.

What does it mean when your furnace Pops?

If you hear popping sounds and you don't have a bag of popcorn in the microwave, you could be dealing with dirty furnace burners or damaged air ducts. When the burners are dirty, the buildup prevents them from igniting, which causes too much gas to build up, making a popping sound.

Explosions During Furnace Ignition - Symptom of Bad Heat Exchanger

How long do furnaces usually last?

A well-maintained furnace can last at least 15 to 20 years, but completing annual maintenance and being diligent with repairs can extend its life even longer.

How do I stop my furnace from popping up?

Do furnaces ever explode?

The short answer is yes, it is possible for your furnace to explode. But it is highly unlikely especially with the build of modern furnaces, which include high safety standards to decrease the risk of an explosion.

Can furnaces catch on fire?

Yes, a furnace can catch fire.

The following are reasons your furnace can catch fire: Your furnace's air filter is blocked. Your furnace's gas pressure is too high. There is a crack in your furnace's heat exchanger.

Can a house heater explode?

Poorly installed heaters, heater controls and gas connections can cause explosions. If the heater is electric, water corrosion can cause an electrical short.

Should I replace my 30 year old furnace?

Regardless of the logic you follow, the 30-year mark is at or close to the maximum lifespan you should expect from your furnace. Even though furnaces can last 30 years or beyond, most experts recommend that you start shopping for a new furnace when your existing unit is 15 years old.

Can a blower motor start a fire?

The blower motor ends up running for much longer periods of time, making it prone to overheating. Any overheating furnace component is a serious problem. If temperatures climb too high, components such as the blower motor may catch on fire.

How much is a new furnace?

A new furnace replacement can cost between $3,000 - $7,600, depending on the size of your home, the efficiency of your new furnace, and the sophistication of the equipment. That includes labor and permit fees, not just equipment costs.

What makes a furnace unsafe?

The cracked heat exchanger

This is the most likely reason that a furnace may become unsafe. The heat exchanger is the metal compartment in the furnace where hot combustion gas collects. The hot metal walls of the exchanger are what warm the air that enters the living spaces.

Why is my house making loud banging noises?

While water hammer is the most common cause of a loud banging noise, it may also relate to loose straps connecting the pipes to the wall studs of the house. The loose straps may relate to water hammer or be due to other factors. The problem may also stem from excessive water pressure in your house.

How much is a new furnace for a 2000 square foot home?

The average cost range for purchasing and installing a gas furnace designed to heat a 2,000-square-foot home with a 97% efficiency rating ranges from $4,000 to $8,000, with most homeowners spending around $6,000 total on a high-efficiency gas furnace replacement in a 2,000 sq. ft.

What is the most reliable furnace brand?

How do you know you need a new furnace?

How much is a furnace for a 1500 square foot house?

The average cost to replace a gas furnace in a 1500-square-foot house is between $2,990 and $4,360. For a standard-efficiency gas furnace, a 60,000-80,000 BTU model is the best choice.

How long does it take to install a new furnace?

On average, it takes about four to 10 hours to wrap up a furnace install, depending on the type and size of the unit. As expected, a larger, more complex model will take more time and effort than a standard unit. A brand-new furnace is an important investment for any homeowner.

Is it OK to run your furnace without a filter?

NO. A furnace filter has a critical job to perform and a filter cannot be run without one. For a furnace to work properly, it should always be equipped with a clean, working filter.

What do you do after a furnace fire?

In the event of a furnace fire, act immediately just as you would with any other kind of fire. Evacuate the property and reach out to your local fire department to have the flames extinguished as soon as possible. Once the fire has been put out, you may feel relieved — and understandably so.

Are 80 Percent furnaces being phased out?

This is a big change coming in residential & light-commercial furnaces. Effective June 1, 2013, federal law requires that minimum furnace efficiency in the Northwest must be 90%. That means that 80 percent furnaces cannot be installed after that date.

Can a furnace last 50 years?

Although some furnaces can last more than 40 years (extremely rare), the average life of a furnace is around 15 to 30 years. As long as you have scheduled annual furnace maintenance, it should easily last over 15 years. Just like your car, your older furnace may need some basic repairs.