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Blaze King vs Quadra-Fire stoves: EPA test data compared
EPA test data checked
Blaze King has 7 and Quadra-Fire has 11 models certified for sale today. On the EPA's own tests, the typical Blaze King model burns cleaner, and the typical Blaze King model is more efficient.
| Blaze King | Quadra-Fire | |
|---|---|---|
| Models certified for sale now | 7 | 11 |
| Fuel | wood | pellet, wood |
| Catalytic models | 7 | 0 |
| Top heat output, smallest to biggest | 24,085 to 38,516 BTU/hr | 18,341 to 39,428 BTU/hr |
| Typical efficiency (middle model) | 80% | 73% |
| Typical smoke, as a share of the legal limit | 50% | 80% |
| Cleanest-burning model | Princess PE32 | Quadra-Fire TREKKER-MBK |
| Most efficient model | 30.2 Series | Quadra-Fire TREKKER-MBK |
| Biggest heater | King KE40 | Quadra-Fire TREKKER-MBK |
Closest head-to-head matchups
Each Blaze King model paired with the Quadra-Fire model nearest to it in top heat output, same fuel.
| Blaze King | Heat / efficiency / smoke | Quadra-Fire | Heat / efficiency / smoke |
|---|---|---|---|
| King KE40 | 38,516 / 81% / 1.0 | Quadra-Fire 57ST-ACC-C | 38,284 / 74% / 1.8 |
| 30.2 Series | 36,076 / 83% / 0.81 | Quadra-Fire 43M-ACC-C | 36,757 / 74% / 1.6 |
| Princess PI29 Insert | 30,194 / 80% / 1.0 | Quadra-Fire 21M-ACC-C | 29,322 / 76% / 1.7 |
| 20.2 Series | 31,092 / 80% / 1.05 | Quadra-Fire 21M-ACC-C | 29,322 / 76% / 1.7 |
| Princess PE32 | 34,435 / 82% / 0.55 | Quadra-Fire 43M-ACC-C | 36,757 / 74% / 1.6 |
| Sentry S14 | 24,453 / 78% / 1.4 | Quadra-Fire Expedition II | 26,785 / 71% / 1.8 |
Heat in BTU an hour, smoke in grams an hour.
Every Blaze King model on the EPA list
- King KE40: wood, 38,516 BTU/hr, 81% efficient, 1.0 g/hr smoke
- 30.2 Series: wood, 36,076 BTU/hr, 83% efficient, 0.81 g/hr smoke
- Princess PE32: wood, 34,435 BTU/hr, 82% efficient, 0.55 g/hr smoke
- 20.2 Series: wood, 31,092 BTU/hr, 80% efficient, 1.05 g/hr smoke
- Princess PI29 Insert: wood, 30,194 BTU/hr, 80% efficient, 1.0 g/hr smoke
- Sentry S14: wood, 24,453 BTU/hr, 78% efficient, 1.4 g/hr smoke
- 25 Series: wood, 24,085 BTU/hr, 79% efficient, 0.74 g/hr smoke
Every Quadra-Fire model on the EPA list
- Quadra-Fire TREKKER-MBK: pellet, 39,428 BTU/hr, 78% efficient, 0.7 g/hr smoke
- Quadra-Fire 57ST-ACC-C: wood, 38,284 BTU/hr, 74% efficient, 1.8 g/hr smoke
- Quadra-Fire 43M-ACC-C: wood, 36,757 BTU/hr, 74% efficient, 1.6 g/hr smoke
- Quadra-fire Classic Bay 1200i-C: pellet, 33,925 BTU/hr, 64% efficient, 0.78 g/hr smoke
- Quadra-Fire Classic Bay 1200-C: pellet, 30,851 BTU/hr, 73% efficient, 1.0 g/hr smoke
- Quadra-Fire 21M-ACC-C: wood, 29,322 BTU/hr, 76% efficient, 1.7 g/hr smoke
- Quadra-Fire 31M-ACC-C: wood, 29,078 BTU/hr, 73% efficient, 1.9 g/hr smoke
- Quadra-Fire Expedition I: wood, 27,361 BTU/hr, 65% efficient, 1.9 g/hr smoke
- Quadra-Fire Expedition II: wood, 26,785 BTU/hr, 71% efficient, 1.8 g/hr smoke
- Quadra-Fire Santa Fe-C: pellet, 22,440 BTU/hr, 66% efficient, 1.1 g/hr smoke
- Quadra-Fire Pioneer III-ARC & Quadra-Fire – Pioneer III -REC Wood Heater Model Line: wood, 18,341 BTU/hr, 68% efficient, 1.3 g/hr smoke
Quadra-Fire, Harman, Vermont Castings, PelPro and Heat & Glo are certified under Hearth & Home Technologies; we matched models by the brand in their name. 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.