Hearth and Home Technologies Vermont Castings Encore 2040-CAT-C vs Woodstock Soapstone Company Progress Hybrid 209b

The Woodstock Soapstone Company Progress Hybrid 209b is the cleaner burner: 0.46 g/hr certified particulate emissions versus 1.1 g/hr. The Woodstock Soapstone Company Progress Hybrid 209b is the more efficient unit: 80% 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 35,222 BTU/h), suiting roughly 1,050–1,500 sq ft. The Woodstock Soapstone Company Progress Hybrid 209b has the larger firebox (2.8 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 Woodstock Soapstone Company Progress Hybrid 209b 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 Woodstock Soapstone Company Progress Hybrid 209b
Appliance type wood-stove wood-stove
Combustion technology Catalytic Stove Hybrid
Certified fuel Crib Wood Crib Wood
Emission rate 1.1 g/hr 0.46 g/hr
Efficiency (HHV) 77 % 80 %
Heat output (low) 12879 BTU/h 15257 BTU/h
Heat output (high) 37102 BTU/h 35222 BTU/h
Firebox volume 2 cu ft 2.8 cu ft
Carbon monoxide 2.11 g/min 0.07 g/min
25C tax credit eligible (≥75% HHV) Yes Yes
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 164-18 406-25
Covered model numbers Vermont Castings Encore 2040-CAT-C Progress Hybrid 209b

Frequently asked questions

Which burns cleaner, the Hearth and Home Technologies Vermont Castings Encore 2040-CAT-C or the Woodstock Soapstone Company Progress Hybrid 209b?

The Woodstock Soapstone Company Progress Hybrid 209b: 0.46 g/hr certified particulate emissions versus 1.1 g/hr for the Hearth and Home Technologies Vermont Castings Encore 2040-CAT-C.

Are the Hearth and Home Technologies Vermont Castings Encore 2040-CAT-C and Woodstock Soapstone Company Progress Hybrid 209b 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.