Hearthstone Quality Home Heating Products Clydesdale 8492 vs MF Fire Nova C
The Hearthstone Quality Home Heating Products Clydesdale 8492 is the cleaner burner: 1.16 g/hr certified particulate emissions versus 1.9 g/hr. The Hearthstone Quality Home Heating Products Clydesdale 8492 is the more efficient unit: 79% versus 71% HHV — more heat from every cord. The Hearthstone Quality Home Heating Products Clydesdale 8492 produces more peak heat (32,588 vs 28,140 BTU/h), suiting roughly 950–1,300 sq ft. The Hearthstone Quality Home Heating Products Clydesdale 8492 has the larger firebox (2.35 vs 1.7 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Hearthstone Quality Home Heating Products Clydesdale 8492 is a hybrid and the MF Fire Nova C a catalytic stove — see the catalytic vs non-catalytic guide for what that means day to day.
| Hearthstone Quality Home Heating Products Clydesdale 8492 | MF Fire Nova C | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Hybrid | Catalytic Stove |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 1.16 g/hr | 1.9 g/hr |
| Efficiency (HHV) | 79 % | 71 % |
| Heat output (low) | 14829 BTU/h | 23654 BTU/h |
| Heat output (high) | 32588 BTU/h | 28140 BTU/h |
| Firebox volume | 2.35 cu ft | 1.7 cu ft |
| Carbon monoxide | 1.1 g/min | 0.94 g/min |
| 25C tax credit eligible (≥75% HHV) | Yes | No |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 305-22 | 356-23 |
| Covered model numbers | Clydesdale 8492 | Nova C |
Frequently asked questions
Which burns cleaner, the Hearthstone Quality Home Heating Products Clydesdale 8492 or the MF Fire Nova C?
The Hearthstone Quality Home Heating Products Clydesdale 8492: 1.16 g/hr certified particulate emissions versus 1.9 g/hr for the MF Fire Nova C.
Are the Hearthstone Quality Home Heating Products Clydesdale 8492 and MF Fire Nova 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.