Hearth and Home Technologies Vermont Castings Encore 2040-CAT-C vs Hearthstone Quality Home Heating Products Clydesdale 8492
The Hearth and Home Technologies Vermont Castings Encore 2040-CAT-C is the cleaner burner: 1.1 g/hr certified particulate emissions versus 1.16 g/hr. The Hearthstone Quality Home Heating Products Clydesdale 8492 is the more efficient unit: 79% versus 77% HHV — more heat from every cord. The Hearth and Home Technologies Vermont Castings Encore 2040-CAT-C produces more peak heat (37,102 vs 32,588 BTU/h), suiting roughly 1,050–1,500 sq ft. The Hearthstone Quality Home Heating Products Clydesdale 8492 has the larger firebox (2.35 vs 2 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Hearth and Home Technologies Vermont Castings Encore 2040-CAT-C is a catalytic stove and the Hearthstone Quality Home Heating Products Clydesdale 8492 a hybrid — see the catalytic vs non-catalytic guide for what that means day to day.
| Hearth and Home Technologies Vermont Castings Encore 2040-CAT-C | Hearthstone Quality Home Heating Products Clydesdale 8492 | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Catalytic Stove | Hybrid |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 1.1 g/hr | 1.16 g/hr |
| Efficiency (HHV) | 77 % | 79 % |
| Heat output (low) | 12879 BTU/h | 14829 BTU/h |
| Heat output (high) | 37102 BTU/h | 32588 BTU/h |
| Firebox volume | 2 cu ft | 2.35 cu ft |
| Carbon monoxide | 2.11 g/min | 1.1 g/min |
| 25C tax credit eligible (≥75% HHV) | Yes | Yes |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 164-18 | 305-22 |
| Covered model numbers | Vermont Castings Encore 2040-CAT-C | Clydesdale 8492 |
Frequently asked questions
Which burns cleaner, the Hearth and Home Technologies Vermont Castings Encore 2040-CAT-C or the Hearthstone Quality Home Heating Products Clydesdale 8492?
The Hearth and Home Technologies Vermont Castings Encore 2040-CAT-C: 1.1 g/hr certified particulate emissions versus 1.16 g/hr for the Hearthstone Quality Home Heating Products Clydesdale 8492.
Are the Hearth and Home Technologies Vermont Castings Encore 2040-CAT-C and Hearthstone Quality Home Heating Products Clydesdale 8492 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.