Hearth and Home Technologies Vermont Castings Dauntless FlexBurn Model
Hearth and Home Technologies Vermont Castings Dauntless FlexBurn Model is a non-catalytic wood stove from Hearth and Home Technologies certified at 1.1 g/hr particulate emissions with 77% HHV efficiency and a 12,252–49,428 BTU/h output range (previously certified, no longer in production).
Previously certified (out of production). This model appears in the EPA Certified Wood Heater Database but is no longer on the current certified list, which usually means it is no longer manufactured. The specifications below are its certified figures, kept for reference and for owners of installed units. Browse currently certified heaters for models sold new today.
| Appliance type | wood-stove |
|---|---|
| Combustion technology | Non-Catalytic Stove |
| Certified fuel | Cord Wood |
| Covered model numbers | Vermont Castings Dauntless FlexBurn Model |
| Emission rate | 1.1 g/hr |
|---|---|
| Carbon monoxide | 2.39 g/min |
| Efficiency (HHV) | 77 % |
|---|
| Heat output (low) | 12252 BTU/h |
|---|---|
| Heat output (high) | 49428 BTU/h |
| Firebox volume | 1.82 cu ft |
| 25C tax credit eligible (≥75% HHV) | Yes |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | No |
| EPA certification number | 240-19 |
What space does the Hearth and Home Technologies Vermont Castings Dauntless FlexBurn Model suit?
- Its 49,428 BTU/h peak output covers roughly 1,400–2,000 sq ft at the 25–35 BTU/h-per-square-foot rule of thumb — see the sizing calculator to adjust for your insulation and climate.
- The 1.82 cu ft firebox puts it in the mid-size home class.
- Rough fuel use: about 2.2 cords per season at the midpoint of its output range (8 burn-hours/day, 150-day season, 22 MMBtu/cord — see methodology).
- Certified burning Cord Wood — the test fuel closest to real-world firewood.
Similar wood stoves
- Foyers Supreme Flair 34 (1.6 g/hr)
- Jotul North America (Jotul U.S.A., Inc.) F 602 V2 (2.1 g/hr)
- Travis Industries 42 Apex (0.93 g/hr)
- Stove Builder International Everest II Series HE300 II (0.99 g/hr)
- Enerco Group WS110 (0.99 g/hr)
- Lennox Hearth Products (Innovative Hearth Products) Brass Flame KS-805 (5.3 g/hr)
Frequently asked questions
Is the Hearth and Home Technologies Vermont Castings Dauntless FlexBurn Model EPA certified?
The Hearth and Home Technologies Vermont Castings Dauntless FlexBurn Model holds EPA certification number 240-19 but is no longer on the current certified list — it is previously certified, which usually means the model is out of production. Already-installed units are unaffected by that status in most jurisdictions.
What is the Hearth and Home Technologies Vermont Castings Dauntless FlexBurn Model's emission rate?
The Hearth and Home Technologies Vermont Castings Dauntless FlexBurn Model is certified at 1.1 grams of particulates per hour (tested with cord wood). Real-world emissions depend heavily on fuel moisture and operation — the lab figure assumes seasoned fuel and correct air settings.
How many square feet can the Hearth and Home Technologies Vermont Castings Dauntless FlexBurn Model heat?
Roughly 1,400–2,000 sq ft, estimated from its 49,428 BTU/h peak output at 25–35 BTU/h per square foot. Insulation, climate, ceiling height, and floor plan move this figure substantially in both directions.
Does the Hearth and Home Technologies Vermont Castings Dauntless FlexBurn Model qualify for a federal tax credit?
No — the federal 25C credit for biomass stoves was terminated for property placed in service after December 31, 2025. The Hearth and Home Technologies Vermont Castings Dauntless FlexBurn Model's certified efficiency is 77% HHV, which met the credit's ≥75% HHV threshold while it existed. State and local incentive programs may still apply — check your state energy office and air district.
Sources
- cfpub.epa.gov (retrieved 2026-07-23)