Hearth and Home Technologies Vermont Castings Defiant 1975-CAT-C vs Pacific Energy Fireplace Products Limited TN25 C
The Pacific Energy Fireplace Products Limited TN25 C is the cleaner burner: 1.1 g/hr certified particulate emissions versus 1.3 g/hr. The Hearth and Home Technologies Vermont Castings Defiant 1975-CAT-C is the more efficient unit: 78% versus 76% HHV — more heat from every cord. The Pacific Energy Fireplace Products Limited TN25 C produces more peak heat (29,202 vs 25,471 BTU/h), suiting roughly 850–1,150 sq ft. The Hearth and Home Technologies Vermont Castings Defiant 1975-CAT-C has the larger firebox (3.25 vs 1.98 cu ft), which generally means longer burns between reloads.
| Hearth and Home Technologies Vermont Castings Defiant 1975-CAT-C | Pacific Energy Fireplace Products Limited TN25 C | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Catalytic Stove | Catalytic Stove |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 1.3 g/hr | 1.1 g/hr |
| Efficiency (HHV) | 78 % | 76 % |
| Heat output (low) | 11974 BTU/h | 13447 BTU/h |
| Heat output (high) | 25471 BTU/h | 29202 BTU/h |
| Firebox volume | 3.25 cu ft | 1.98 cu ft |
| Carbon monoxide | 1.46 g/min | 1.3 g/min |
| 25C tax credit eligible (≥75% HHV) | Yes | Yes |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 212-19 | 347-23 |
| Covered model numbers | Vermont Castings Defiant 1975-CAT-C | TN25 C |
Frequently asked questions
Which burns cleaner, the Hearth and Home Technologies Vermont Castings Defiant 1975-CAT-C or the Pacific Energy Fireplace Products Limited TN25 C?
The Pacific Energy Fireplace Products Limited TN25 C: 1.1 g/hr certified particulate emissions versus 1.3 g/hr for the Hearth and Home Technologies Vermont Castings Defiant 1975-CAT-C.
Are the Hearth and Home Technologies Vermont Castings Defiant 1975-CAT-C and Pacific Energy Fireplace Products Limited TN25 C both EPA certified?
Yes — both appear on the U.S. EPA's current list of certified wood heaters, and every figure on this page comes from their certification records.