How do you check if your chimney is blocked?

How does a chimney get clogged?

How do I know if my chimney is open or closed?

Visually Check

If you have a throat damper, the closed damper immediately above your head will block your vision. You should be able to reach up and touch the closed damper. If you have a top-mount damper, check for daylight at the top of the flue. If you can't see daylight at the top, the damper is closed.

What happens if flue is closed?

Close it when it's not it use. Operating the fireplace with the damper partially closed will not generate more heat. Instead, blocking the passage through the flue will result in smoke entering the home. The damper should be kept open until all embers are finished burning to prevent smoke from escaping into the home.

Do all chimneys have a damper?

Do All Chimneys Have A Damper? Not all chimneys or flues have a damper. Open fireplaces can usually be found with damper located within the upper part of the firebox. It's common to find a damper as part of an open fireplace, but in some cases there may be no damper at all.

3 Signs You May Have a Blocked Chimney

Can a blocked chimney cause carbon monoxide poisoning?

Most cases of carbon monoxide poisoning are because of poor ventilation or maintenance of appliances, blocked or leaky flues and chimneys. A blocked chimney or flue can lead to carbon monoxide leaking into your home.

How often should fireplace chimneys be cleaned?

The National Fire Protection Association recommends that chimneys, fireplaces and vents be inspected at least once per year. Another, idea to try out when it's time to clean your chimney is a chimney sweep log.

How often should you have a wood burner chimney swept?

HETAS encourage having your chimney swept at least twice a year when burning wood and at least once a year when burning smokeless fuels. The best times to have your chimney swept are just before the start of the heating season and after your stove has not been used over a prolonged period.

How common are chimney fires?

There are over 25,000 reported chimney fires a year in the U.S. While some sound like a low-flying jet and include flames shooting out the top of the chimney, others are slow-burning and go undetected until a chimney inspection uncovers damage. Chimney fires are dangerous, but they are preventable.

Do chimney cleaning logs really work?

Many homeowners wonder if the chimney sweep logs or creosote sweeping logs really work to clean out fireplace flues and get rid of creosote residue so that the fireplaces are safe to use. The short answer is no, they don't work. At least, not well enough to completely clean out the flue the way it should be cleaned.

What happens if you don't clean your chimney?

If you don't have your chimney cleaned once a year, creosote builds up in your chimney, which can lead to a chimney fire. Also, a dirty chimney can cause toxic, deadly gases such as carbon monoxide to build up that are harmful to inhale.

How do you check for carbon monoxide without a detector?

Why does my house smell like smoke from fireplace?

A: The odor is from creosote. Your chimney may need cleaning. But it also could be that your chimney is having trouble drafting, due to creosote buildup or pressure imbalances within the house, rather than outdoors.

Can opening a window help with carbon monoxide?

Opening a window will slow carbon monoxide poisoning, but it likely won't stop it. There simply isn't enough airflow through most windows to get rid of the poisonous gas, and it could take between four and eight hours for the CO to dissipate entirely.

Is it OK to leave the flue open overnight?

The smoke from burning wood contains carbon monoxide, so in order to prevent this toxic byproduct from entering your home, it is important to leave the flue open overnight. This enables a draft to carry the compound out into the atmosphere, instead of sinking down the chimney and saturating the room.

What if my chimney doesn't have a damper?

And while older wood-burning fireplaces can function safely without a damper (gas fireplaces cannot), a chimney without a damper is just a gaping hole in the roof of your house. It's a gateway for frigid air to enter and for heated air to escape in the winter.

What is the difference between a damper and a flue?

A damper is located in the flue of your chimney. The flue is where the smoke escapes when the fire is going. Dampers are placed inside of the flue to help control ventilation. Your damper should have a chain or handle that you can access in order to open and close it.

Does cold air come down the chimney?

When a fireplace isn't in use, cold air from outside can come down the chimney into the home, and warm interior air can escape up through the flue.

Is it safe to clean your own chimney?

There are safety concerns for both the professional and the DIYers who chose to clean their own chimney flue. From inside the fireplace, the person performing the flue cleaning is exposed to hazardous materials like soot, creosote and harmful fumes. A professional-grade respirator mask is required.

How much does a chimney brush cost?

Chimney sweep costs can range from $129 to $378, with a national average of $252. Prices vary regionally and according to the level of cleaning required as well as other factors.