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You should test for thermo-siphoning. Have a roof vent pull air out instead forcing air through the ground .

AC Infinity fans are the best out there and they even make smart versions of their fans so you can control them from anywhere

1. Longer pipe for better effectiveness, not larger pipe. 2. You are 1000% going to get mold, as you are moving warm air to a cool space. 3. You have like 12 feet of exposed black pipe outside above ground which is definitely countering some of the cooling effect of the ground. They definitely need to be insulated above ground.

Wait but what if it's not fire brick??

Paint the pipes white, so not to absorb the heat when the sun hits it.

i've looked several times....what size angle iron did you use?

Plastic is a poor conductor of heat. Add more loops for better cooling. Perhaps a bit deeper too.

do you know the temp. of the air coming in from the pipe ?

Smaller diameter pipe would cool faster. Multiple 4" with a manifold coming in and going out

This would be a really good idea if you like poly line because you can join it together without and make any seams really strong

it's 98 degrees outside and here in the cabin it's 94 degrees lol.... why didn't you tell us what the cabin temp was after having it run for a while???

niiiiice

So beautiful, I think you are the first american builder I've seen that is so proficient you are in the realm of artistry.

For a white man embracing Mexican culture I gotta give you props for the southern ingenuity this is awesome 👍🏽 anything to get them tasty Al pastor tacos

i would have used a liquid heat exchanger instead of open ducting underground.

I'm no engineer, but based on some of the other videos and information I've seen and read, the "mildew" concern may have been misconveyed. If your pipe system is continuous, the warm air entering will create condensation when it meets the cooler pipe surface which eventually could produce standing water in the pipes. To combat this possibility, your pipes should have at least a 1% grade to a sump well with a pump.

Thank you so much for your knowledge

If I plan to plaster the outside with cement can I use regular cinder block instead of a bunch of these smaller blocks you used? I think you mentioned you chose these for looks, but if I use mostly cinder blocks would that compromise the strength integrity?

This is a bad due!!! Answered questions during build, true philanthropy!!

🎉Awesome video brotha!!

How long are the 2 pieces of angle iron? Thanks!

Thank you Uncle Dave! SUBSCRIBED!

If I try this, I'll use the thinnest-walled pipe possible and take air from ceiling level and bring it back in at floor level so probably under my computer desk.

Did you line the inside with anything or the cap blocks are good and won’t crack?

Awesome!

Won’t this crumble after a few freeze thaw cycles?

I am anxious to see the hobbit house!

This is so kool 👍👍👍

No issues with pavers cracking under heat ?

Won’t those expand from steam and explode

This is so brilliant, but can you please say the brand name of the pavers? I can't find anything like them. Thank you!

This is an amazing video! Where did you get the iron rust metal poles on the outside of the fireplace for aesthetics?❤

Is the bottom opening area for storage?

apakah itu tidak terlalu dekat? mungkin dibuat berseberangan akan lebih efektif. hanya pendapat. great video

Thank you! I love it and your simple design that anyone can do. I needed this visual lesson.

These cinder blocks ever bust from heat?

Just stick that slice right into my mouth Uncle Dave.

Thank you for sharing. I look for this kind of methods. I will try

I would love to know how this is working for you now. I'm seriously considering this for an, at least partial, off grid place in northeast Texas.

Really nice idea and budget friendly to compare to mortar and stone

@uncledavesfrontier6846 This system is great. I would be mostly concerned with tree roots given how wooded the area seems to be.

doesn't smoke comes back ? inside beggining of chimney it's not smooth as i saw in another videos... can i build like this and smoke will go top of chimney?

That's real nice, and it's easy!

this is exactly what i needed. i wanted to see one built for cheap and fast.

Yummy!!!

This is great,,,,,,,i was skeptical about blocks cracking,,,,,,,but its been a year of burning and NOT a block cracked.....thanks

I think this is so neat! Good job!

Hi, this looks amazing. Could you please advise on the shape of chimney? Is it necessary to have this shape with bricks coming in like a cone shape? Would it be problematic to build a straight tall block?

Been needing some guidance on this.....this video clears all of that up!! THANK YOU!!

Dadgummet Dave!! Already building the fireplace and now my wife wants one of these too!!