Better Quality & Cost Effective

These Bio Blocks have less than 6% mositure content compared to your best dried firewood of 25% moisture. Which results in cleaner, hotter, burns with reduced creosote and less ash. Ultra-efficient, Envi Blocks will burn for an average of eight to ten hours. To maximize home heating dollars, you can't beat the versatility and endurance of Envi Blocks by Bio-Biversity!

stack of envi blocks

The Envi

Our original size blocks measure 4" x 4" x 10 1/4" and weigh between 6 and 7 pounds each, with each single pack containing 3 blocks that burn for 6-8 hours. These premium blocks are sold in bulk quantities, and we're currently offering a full cord for $525 (originally $575, save $50 for a limited time). Local delivery is available for orders of 10 packs or more.

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a stack of envi blocks

Envi 8

Our compact blocks are sized at 3 1/4" x 2 3/4" x 9 1/2" and weigh between 3 and 4 pounds each, with each pack containing 6 blocks that burn for 4-6 hours. These convenient blocks are sold in bulk quantities, and we offer local delivery for orders of 10 packs or more.

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