Test data for the brand you selected is shown below. The data includes testing in plant laboratories and in off-site independent test facilities. Heating value tests are conducted less frequently and only at independent labs, but low moisture content is a good indicator of a high heating value product.
Premium wood pellets must meet the standards of <1% ash content and <8% moisture content. These values typically correspond to a heating value (as received) of 7700-7800 BTU/lb.
| Brand | Date | Lab | Ash Content | Moisture Content | Heating Value (As Received) |
| CleanFire | 6/29/2008 | Internal | 0.56% | 1.74% | See external test data |
| CleanFire | 6/29/2008 | Internal | 0.65% | 1.74% | See external test data |
| CleanFire | 6/29/2008 | Internal | 0.51% | 1.74% | See external test data |
| CleanFire | 6/22/2008 | Internal | 0.46% | 1.47% | See external test data |
| CleanFire | 6/22/2008 | Internal | 0.46% | 1.47% | See external test data |
| CleanFire | 6/22/2008 | Internal | 0.54% | 1.47% | See external test data |
| CleanFire | 6/15/2008 | Internal | 0.53% | 2.17% | See external test data |
| CleanFire | 6/15/2008 | Internal | 0.53% | 2.17% | See external test data |
| CleanFire | 6/15/2008 | Internal | 0.48% | 2.17% | See external test data |
| CleanFire | 6/8/2008 | Internal | 0.38% | 1.76% | See external test data |
| CleanFire | 6/8/2008 | Internal | 0.43% | 1.76% | See external test data |
| CleanFire | 6/8/2008 | Internal | 0.52% | 1.76% | See external test data |
| CleanFire | 6/2/2008 | Internal | 0.52% | 2.24% | See external test data |
| CleanFire | 6/2/2008 | Internal | 0.54% | 2.24% | See external test data |
| CleanFire | 6/2/2008 | Internal | 0.53% | 2.24% | See external test data |
| CleanFire | 6/1/2008 | Internal | 0.48% | 0.60% | See external test data |
| CleanFire | 6/1/2008 | Internal | 0.52% | 0.60% | See external test data |
| CleanFire | 6/1/2008 | Internal | 0.51% | 0.60% | See external test data |
| CleanFire | 5/30/2008 | Internal | 0.53% | 1.01% | See external test data |
| CleanFire | 5/30/2008 | Internal | 0.72% | 1.01% | See external test data |
| CleanFire | 5/30/2008 | Internal | 0.50% | 1.01% | See external test data |
| CleanFire | 5/30/2008 | Internal | 0.51% | 1.01% | See external test data |
| CleanFire | 5/24/2008 | Internal | 0.45% | 1.93% | See external test data |
| CleanFire | 5/24/2008 | Internal | 0.46% | 1.93% | See external test data |
| CleanFire | 5/24/2008 | Internal | 0.49% | 1.93% | See external test data |
| CleanFire | 5/21/2008 | Internal | 0.52% | 2.67% | See external test data |
| CleanFire | 5/21/2008 | Internal | 0.52% | 2.67% | See external test data |
| CleanFire | 5/21/2008 | Internal | 0.45% | 2.67% | See external test data |
| CleanFire | 5/11/2008 | Internal | 0.49% | 1.38% | See external test data |
| CleanFire | 5/11/2008 | Internal | 0.65% | 1.38% | See external test data |
| CleanFire | 5/11/2008 | Internal | 0.53% | 1.38% | See external test data |
| CleanFire | 5/7/2008 | Internal | 0.55% | 2.51% | See external test data |
| CleanFire | 5/7/2008 | Internal | 0.52% | 2.51% | See external test data |
| CleanFire | 5/7/2008 | Internal | 0.57% | 2.51% | See external test data |
| CleanFire | 5/2/2008 | Internal | 0.47% | 2.54% | See external test data |
| CleanFire | 5/2/2008 | Internal | 0.44% | 2.54% | See external test data |
| CleanFire | 5/2/2008 | Internal | 0.48% | 2.54% | See external test data |
| CleanFire | 4/30/2008 | Internal | 0.49% | 2.15% | See external test data |
| CleanFire | 4/30/2008 | Internal | 0.52% | 2.15% | See external test data |
| CleanFire | 4/30/2008 | Internal | 0.52% | 2.15% | See external test data |
| CleanFire | 4/26/2008 | Internal | 0.47% | 1.02% | See external test data |
| CleanFire | 4/26/2008 | Internal | 0.53% | 1.02% | See external test data |
| CleanFire | 4/26/2008 | Internal | 0.46% | 1.02% | See external test data |
| CleanFire | 4/20/2008 | Internal | 0.53% | 1.34% | See external test data |
| CleanFire | 4/20/2008 | Internal | 0.50% | 1.34% | See external test data |
| CleanFire | 4/20/2008 | Internal | 0.45% | 0.81% | See external test data |
| CleanFire | 4/18/2008 | Internal | 0.52% | 0.81% | See external test data |
| CleanFire | 4/18/2008 | Internal | 0.54% | 1.03% | See external test data |
| CleanFire | 4/18/2008 | Internal | 0.46% | 1.03% | See external test data |
| CleanFire | 4/18/2008 | Internal | 0.51% | 1.03% | See external test data |
| CleanFire | 4/13/2008 | Internal | 0.44% | 3.60% | See external test data |
| CleanFire | 4/13/2008 | Internal | 0.57% | 3.60% | See external test data |
| CleanFire | 4/13/2008 | Internal | 0.49% | 1.57% | See external test data |
| CleanFire | 4/11/2008 | Internal | 0.57% | 1.57% | See external test data |
| CleanFire | 4/11/2008 | Internal | 0.66% | 1.57% | See external test data |
| CleanFire | 4/11/2008 | Internal | 0.57% | 1.50% | See external test data |
| CleanFire | 4/10/2008 | Internal | 0.53% | 3.28% | See external test data |
| CleanFire | 4/10/2008 | Internal | 0.48% | 3.28% | See external test data |
| CleanFire | 4/10/2008 | Internal | 0.53% | 3.28% | See external test data |
| CleanFire | 4/3/2008 | Internal | 0.45% | 2.06% | See external test data |
| CleanFire | 4/3/2008 | Internal | 0.48% | 2.06% | See external test data |
| CleanFire | 4/3/2008 | Internal | 0.52% | 3.48% | See external test data |
| CleanFire | 4/2/2008 | Internal | 0.56% | 3.48% | See external test data |
| CleanFire | 4/2/2008 | Internal | 0.54% | 2.16% | See external test data |
| CleanFire | 4/2/2008 | Internal | 0.44% | 2.16% | See external test data |
| CleanFire | 4/1/2008 | Internal | 0.46% | 2.16% | See external test data |
| CleanFire | 4/1/2008 | Internal | 0.51% | 2.71% | See external test data |
| CleanFire | 4/1/2008 | Internal | 0.54% | 2.71% | See external test data |
| CleanFire | 3/25/2008 | External | 0.41% | 3.44% | 7513 |
| CleanFire | 3/10/2008 | Internal | 0.53% | 2.67% | See external test data |
| CleanFire | 3/10/2008 | Internal | 0.54% | 2.67% | See external test data |
| CleanFire | 3/10/2008 | Internal | 0.53% | 2.67% | See external test data |
| CleanFire | 2/9/2008 | Internal | 0.46% | 3.28% | See external test data |
| CleanFire | 2/9/2008 | Internal | 0.45% | 3.28% | See external test data |
| CleanFire | 2/9/2008 | Internal | 0.47% | 3.28% | See external test data |
| CleanFire | 2/2/2008 | Internal | 0.50% | 1.08% | See external test data |
| CleanFire | 2/2/2008 | Internal | 0.53% | 1.08% | See external test data |
| CleanFire | 2/2/2008 | Internal | 0.55% | 1.08% | See external test data |
| CleanFire | 1/19/2008 | Internal | 0.46% | 2.51% | See external test data |
| CleanFire | 1/19/2008 | Internal | 0.48% | 2.51% | See external test data |
| CleanFire | 1/19/2008 | Internal | 0.46% | 2.51% | See external test data |
| CleanFire | 12/29/2007 | Internal | 0.56% | 2.43% | See external test data |
| CleanFire | 12/29/2007 | Internal | 0.54% | 2.43% | See external test data |
| CleanFire | 12/29/2007 | Internal | 0.55% | 2.43% | See external test data |
| CleanFire | 12/9/2007 | Internal | 0.54% | 1.98% | See external test data |
| CleanFire | 12/9/2007 | Internal | 0.45% | 3.75% | See external test data |
| CleanFire | 11/30/2007 | Internal | 0.54% | 1.02% | See external test data |
| CleanFire | 11/30/2007 | Internal | 0.55% | 1.49% | See external test data |
| CleanFire | 10/25/2007 | Internal | 0.46% | 2.80% | See external test data |
| CleanFire | 10/25/2007 | Internal | 0.46% | 3.29% | See external test data |
| CleanFire | 10/11/2007 | Internal | 0.42% | 1.61% | See external test data |
| CleanFire | 10/11/2007 | Internal | 0.38% | 1.87% | See external test data |
| CleanFire | 10/11/2007 | Internal | 0.46% | 1.85% | See external test data |
| CleanFire | 10/8/2007 | External | 0.50% | 3.54% | 8182 |
| CleanFire | 10/1/2007 | External | 7886 | ||
| CleanFire | 9/27/2007 | Internal | 0.42% | 2.56% | See external test data |
| CleanFire | 9/27/2007 | Internal | 0.49% | 2.30% | See external test data |
| CleanFire | 9/27/2007 | Internal | 0.56% | See external test data | |
| CleanFire | 9/24/2007 | External | 7575 | ||
| CleanFire | 9/17/2007 | External | 8203 |