How To Build A Smokeless Fire Pit Using Clean Air Technology - Smokeless firepit that truly works

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Thinking of making a firepit? Make it smokeless! Utilizing the Clean air technology method, you will be able to enjoy more time with your family around the fire without having all the smoke. Not only is this build require very little materials, its also fairly cheap to have a great looking firepit in the backyard. The total cost for the entire project cost below $200. To fully enjoy a fire pit, you would have to eliminate as much smoke as possible so lets build a smokeless fire pit that actually works!

Material List:
36- Concrete Retaining Wall Blocks from Lowes
8- Mini Retaining Wall Blocks from Lowes

Check out my other video:
How To Build A Wind Block For Your Smokeless Fire Pit - Build The BEST Fire Pit Area!:

Music:
Creative Commons — Attribution 3.0 Unported — CC BY 3.0

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Very helpful. I am glad I watched it before I began installing my own. Thanks for sharing!

Optimist_Insan

If you care to revisit this video, I can help you adapt a better version of this. It's actually around the same steps, however I would highly advise (if you haven't already) removing the concrete bricks from inside of the fire pit.

To consider a different alternative, this concept works the same as a cars combustion process.
First, you would want two air chambers with separate sources of cold air. The bricks you moved on the lower half will suffice for the lower air chamber, however you'll want something to shield this from getting debris and various ash from clogging this up. I would personally suggest using a (flexibly) Galvanized Metal Lath, much like the flexible grid ones at home depot.

The next air chamber needs to be at the top, near the upper holes. This will allow the cold air (from outside) to be sucked into these rings to forcibly push air at the upper part of the fire, creating the secondary combustion that you typically see within the "clean air technology" fire pits you see.

If you want to take it a step further, you can do as I did: Two rings, weld them together. Seal each seam with RTV silicon on the outside to retain heat on the internal side without allowing air leaks. Elevate the bottom ring with fire bricks, and using the (flexibly) Galvanized Metal Lath. After, add a slight "spacer" brick, that'll touch the ring right in the middle. When putting it together, RTV silicon around the entire lower ring, right where this would meet. For the upper ring, you will want to purposefully open one of the screw holes up more to make a slightly "smaller" ring than the lower one (Or larger, whichever your preference is). After, simply layer the next bricks going up, put the ring on, and separate out the locations to correspond with the lower ring openings.

This will ensure that both the upper, and lower, combustions are getting adequate cold air, which (in turn) will create a hotter, and faster combustion: Which means, smokeless.

Alternatively, this also means you'll burn through wood significantly faster. However, that's how you retain smokeless fire: Having a hotter, faster fire.

itsJoshW

With the lava rocks inserted at the base, doesn't that make it hard to clean all the ash and soot from the pit after a few burns?

bullpent

Terrific video; very clear; thank you!

elizabethsemple

Thank you for this excellent educational video. I learned a great deal. Carry On Sir!

davidshettlesworth

Please, tell me how u connect the wood to the bricks.
Thank you!

dulevplam

What size is the secondary burn holes?

CEJ

Put the 4K sticker back on the thumbnails please it is super cool

Mr_WlNG

Do they not sell pre drilled fire rings? Everyone is drilling these things. The manufacturers are missing out on a market here.

NicholasChorba

Amazon has a fire ring with the holes already in it.

KatBradley-

In terms of the concept, it would be more efficient if the radius wasn't so large and the pit so shallow, because the flame would be far from the metal and the air flow travel would be too short to pick enough heat as it goes up before leaving through the holes. You are aiming for superheated, not just heated, lateral airflow. That's why you see that many of those other smaller commercial fire pits look like thinner, taller canisters and not like a large shallow pits. In those thin tall ones you can see the flames coming from all holes on the top like if they were flamethrowers, crazy.

SomeoneCommenting

Do you think that the interior smaller blocks are necessary? Could just gravel accomplish the same thing?
Thanks for making a really good step-by-step video!

jeanneschlumbohm