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Pacific Energy vs Regency stoves: EPA test data compared
EPA test data checked
Pacific Energy has 9 and Regency has 8 models certified for sale today. On the EPA's own tests, the typical Regency model burns cleaner, and the typical Regency model is more efficient.
| Pacific Energy | Regency | |
|---|---|---|
| Models certified for sale now | 9 | 8 |
| Fuel | pellet, wood | wood |
| Catalytic models | 1 | 6 |
| Top heat output, smallest to biggest | 17,623 to 41,275 BTU/hr | 24,488 to 36,398 BTU/hr |
| Typical efficiency (middle model) | 73% | 78% |
| Typical smoke, as a share of the legal limit | 80% | 55% |
| Cleanest-burning model | True North 40 insert | F5200 |
| Most efficient model | TN25 C | F5200 |
| Biggest heater | Summit LE | F5200 |
Closest head-to-head matchups
Each Pacific Energy model paired with the Regency model nearest to it in top heat output, same fuel.
| Pacific Energy | Heat / efficiency / smoke | Regency | Heat / efficiency / smoke |
|---|---|---|---|
| NEO 1.6 LE2 Model Line | 30,149 / 75% / 1.6 | F2450-2, i2450-2, Hi2450-2 | 29,986 / 70% / 1.6 |
| NEO 2.5 LE2, NEO 2.5 Insert LE2 | 29,536 / 73% / 1.6 | F2500-1, I2500-1 | 29,795 / 78% / 1.4 |
| True North TN20 Series B | 29,208 / 73% / 1.6 | F2500-1, I2500-1 | 29,795 / 78% / 1.4 |
| TN25 C | 29,202 / 76% / 1.1 | F2500-1, I2500-1 | 29,795 / 78% / 1.4 |
| Super LE | 38,177 / 71% / 1.8 | F5200 | 36,398 / 80% / 0.84 |
| Summit LE | 41,275 / 74% / 1.8 | F5200 | 36,398 / 80% / 0.84 |
Heat in BTU an hour, smoke in grams an hour.
Every Pacific Energy model on the EPA list
- Summit LE: wood, 41,275 BTU/hr, 74% efficient, 1.8 g/hr smoke
- Super LE: wood, 38,177 BTU/hr, 71% efficient, 1.8 g/hr smoke
- NEO 1.6 LE2 Model Line: wood, 30,149 BTU/hr, 75% efficient, 1.6 g/hr smoke
- NEO 2.5 LE2, NEO 2.5 Insert LE2: wood, 29,536 BTU/hr, 73% efficient, 1.6 g/hr smoke
- True North TN20 Series B: wood, 29,208 BTU/hr, 73% efficient, 1.6 g/hr smoke
- TN25 C: wood, 29,202 BTU/hr, 76% efficient, 1.1 g/hr smoke
- True North TN40: pellet, 27,949 BTU/hr, 72% efficient, 1.4 g/hr smoke
- True North 40 insert: pellet, 25,617 BTU/hr, 73% efficient, 0.69 g/hr smoke
- True North TN10: wood, 17,623 BTU/hr, 73% efficient, 1.4 g/hr smoke
Every Regency model on the EPA list
- F5200: wood, 36,398 BTU/hr, 80% efficient, 0.84 g/hr smoke
- Alterra Pro I3000 Series (I300R, I300A): wood, 33,155 BTU/hr, 78% efficient, 0.95 g/hr smoke
- F3500B-1: wood, 30,659 BTU/hr, 76% efficient, 1.1 g/hr smoke
- F2450-2, i2450-2, Hi2450-2: wood, 29,986 BTU/hr, 70% efficient, 1.6 g/hr smoke
- F2500-1, I2500-1: wood, 29,795 BTU/hr, 78% efficient, 1.4 g/hr smoke
- F1150-1, i1150-1, Ci1150-1, Hi1150-1: wood, 27,353 BTU/hr, 71% efficient, 1.3 g/hr smoke
- CI2700-1, HI500-1: wood, 27,168 BTU/hr, 77% efficient, 1.1 g/hr smoke
- F1500, I1500: wood, 24,488 BTU/hr, 78% efficient, 1.0 g/hr smoke
This compares EPA lab results only. It says nothing about price, build quality, warranty or dealer support.
Source: EPA Certified Wood Heater Database, currently certified room heaters, checked Nov 1, 2026.