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

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:
1- Fire Ring (28" Inner Diameter): amzn.to/3QeI2a3
36- Concrete Retaining Wall Blocks from Lowes
8- Mini Retaining Wall Blocks from Lowes
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Music:
Puzzle by Roa / roa_music1031
Creative Commons - Attribution 3.0 Unported - CC BY 3.0
Free Download / Stream: bit.ly/al-puzzle
Music promoted by Audio Library • Puzzle - Roa (No Copyr...

[@bullpent9973]

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?

[@Beautydev23]

Thanks for sharing

[@gagash32]

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

[@don_wynn]

I’m excited for you. You’re welcome 😃

[@elizabethsemple6691]

Terrific video; very clear; thank you!

[@don_wynn]

Thank you 😃

[@itsJoshWashington]

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.

[@charliemurphy9022]

I was feeling pretty good about doing this build after watching many videos from others I didn't like. But now since reading this follow up comment, not so sure about doing, so I probably won't...

[@Mr_WlNG]

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

[@toastplaysroblox5049]

Please 😭😭😭

[@101CEJ]

What size is the secondary burn holes?

[@dulevplam7949]

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

[@jeanneschlumbohm1138]

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!

[@don_wynn]

Thanks. The smaller blocks are not necessary if you can find other material that works. As far as using gravels, it would be hard accomplish the chamber wall needed for the super heated oxygen. Hope that helps. 😃

[@stn311]

What is the inside diameter of the blocks once in the circle?

[@NicholasChorba]

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

[@don_wynn]

I haven’t seen it. That’s a great idea for manufacturers. I hope they read your comment. 😃

[@micahwest5347]

Nah. Cost prohibitive to make them when you are trying to keep cost down with other competitors.

[@patrykblabla]

Why you use fire ring? How it will be if I use only stones? Fire ring helping with something?
Greetings from Poland

[@itsJoshWashington]

You use the fire ring because concrete, which is made with water, will expand and then explode (Yes, literally explode) when it is heated. This is why they make "Fire Bricks" as well, as they're heat treated and are capable of withstanding the temperatures of a typical backyard fire pit. In the case of cost effective, the fire ring is substantially more cost effective than an entire "Fire brick" type of pit...plus it looks better.

[@emfb25]

Hello, what size are the retaining wall blocks?

[@don_wynn]

Hi. 11in X 4in X 6in

[@deannabarrett8997]

How many retaining wall blocks did you use on the exterior of the firepit?