EPA-certified wood & pellet stove specs, emissions, and efficiency
Structured specifications for all 459 heaters in the U.S. EPA's Certified Wood Heater Database across 91 brands — wood stoves, pellet stoves, forced-air furnaces, and hydronic heaters. Certified emission rates (g/hr), HHV efficiency, heat output ranges, and firebox sizes, with the sizing math done for you. 198 models are currently certified (in production); the rest stay searchable as previously certified references.
Browse stoves
- All 459 certified wood heaters
- Wood stoves (258)
- Pellet stoves (7)
- Forced-air furnaces (27)
- Hydronic heaters (boilers) (167)
- Catalytic Wood Stoves & Heaters
- Non-Catalytic Wood Stoves & Heaters
- Hybrid Wood Stoves (Catalytic + Secondary Burn)
- High-Efficiency Wood Heaters (≥75% HHV)
- Low-Emission Wood Heaters (Under 2 g/hr)
- Large-Firebox Wood Stoves (3+ cu ft)
- Small Wood Stoves (Under 1.5 cu ft)
- Currently Certified Wood Heaters (In Production)
Best stove for your situation
Sized from certified heat output — coverage math and emissions rankings, not top-10 filler.
- Best Wood Stove for a Small Cabin (Under 1,000 sq ft)
- Best Wood Stove for a Medium Home (1,200–2,000 sq ft)
- Best Wood Stove for a Large Home (2,000+ sq ft)
- Best Wood Stove for a Garage or Workshop
- Cleanest-Burning Wood & Pellet Stoves
- Highest-Efficiency Wood & Pellet Stoves (HHV)
- Best Catalytic Wood Stoves
- Best Non-Catalytic Wood Stoves
Calculators
- Stove sizing calculator — square footage → BTU range
- Wood heat cost comparison — cord wood vs pellets vs gas vs electric
Most efficient certified stoves
| Model | Efficiency (HHV) | Emissions |
|---|---|---|
| Blaze King Industries 30.2 Series: Sirocco 30.2 (SC30.2) | 83% | 0.81 g/hr |
| Gruppo Piazzetta S.P.A Sahara | 83% | 1.3 g/hr |
| Blaze King Industries Princess PE32 (2) | 82% | 0.55 g/hr |
| Hearth and Home Technologies P40i-C | 82% | 0.69 g/hr |
| Hearthstone Quality Home Heating Products Green Mountain 80 8680 | 81% | 0.67 g/hr |
| SMG Hearth and Home HP 40 | 81% | 0.74 g/hr |
| Blaze King Industries King KE40 (3) | 81% | 1 g/hr |
| Travis Industries 44 Elite NexGen-Hybrid | 81% | 1.1 g/hr |
Popular stoves
- Blaze King Industries 20.2 Series: Ashford 20.2 (AF20.2)
- Blaze King Industries 25 Series: Sirocco 25 (SC25) Insert
- Blaze King Industries 30.2 Series: Sirocco 30.2 (SC30.2)
- Blaze King Industries King KE40 (3)
- Blaze King Industries Princess PE32 (2)
- Blaze King Industries Princess PI29 Insert (2)
- FPI/Regency Fireplace Products Alterra Pro I3000 Series (I300R
- FPI/Regency Fireplace Products CI2700-1
- FPI/Regency Fireplace Products F1500
- FPI/Regency Fireplace Products F2500-1
- FPI/Regency Fireplace Products F3500B-1
- FPI/Regency Fireplace Products F5200 (2)
Buying and installation guides
- Will a pellet stove work during a power outage?
- Wood stove vs pellet stove: fuel, effort, and what the certified data shows
- How to read EPA wood stove certification data (g/hr, HHV, Step 2)
- Wood stove sizing: match firebox and BTU to your space
- Catalytic vs non-catalytic wood stoves (and hybrids)
- The wood stove tax credit (25C): expired federally — what remains
- Hydronic heaters (wood boilers) explained: indoor, outdoor, and gasification
- Installing a wood stove: clearances, hearth pads, and chimney basics
- Firewood moisture and seasoning: the 20% rule that makes any stove burn clean
New to wood heat? Start with the glossary — emission rate (g/hr), HHV efficiency, and seasoned wood in plain English.