Advice Wanted. Kent-Barker Insert:-

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I would like some advice about bringing this model of Kent-Barker up to clean air standards without sacrificing internal area for burning. As where I live I am in a air-shed and it needs to be up to clean air standards. If someone could please help me. They also recon the hearth needs to be extended, I don't think so.
 
I would like some advice about bringing this model of Kent-Barker up to clean air standards without sacrificing internal area for burning. As where I live I am in a air-shed and it needs to be up to clean air standards. If someone could please help me. They also recon the hearth needs to be extended, I don't think so.
No idea what requirements in New Zealand are but here it would take about $100000 in testing and certification after your r&d and fabrication. It needs the certification tag. I assume it's similar there. Although with an existing installation you don't need to meet that standard
 
I think your goal of clean air without sacrificing firebox volume is likely impossible. You'll need secondary air tubes which will take space in the top of your firebox.
 
No idea what requirements in New Zealand are but here it would take about $100000 in testing and certification after your r&d and fabrication. It needs the certification tag. I assume it's similar there. Although with an existing installation you don't need to meet that standard
https://www.marlborough.govt.nz/environment/air-quality/air-quality-monitoring


Though you will need a vpn that blocks location.
 
You might want to contact Jason Stewart. I met him in 2012 in a wood stove efficiency decathalon held in Washington, DC. He adapted an old stove obtained with the help of Hearth.com member mellow, and tested with his Intensifire. The results were pretty good. I don't know if this can adapt to the Kent, but he would be a good one to to discuss NZ options regardless.
 
This was the last thread on the Intensifire, I do not think Jason is working on it anymore. Plus the OP doesn't want to lose firebox space.

Maybe he can look into cleaning up the exhaust, an (ESP) electrostatic precipitator would be a good fit for that.
 
This was the last thread on the Intensifire, I do not think Jason is working on it anymore. Plus the OP doesn't want to lose firebox space.

Maybe he can look into cleaning up the exhaust, an (ESP) electrostatic precipitator would be a good fit for that.
Understood. Though his website is still active. I mentioned it because Jason is a NZlander that has studied efficiency improvements a lot.