Low-Emission Wood Heaters (Under 2 g/hr)

The cleanest-burning certified heaters: particulate emission rates under 2 grams per hour, comfortably below the 2020 NSPS limit of 2.0–2.5 g/hr for room heaters.

273 certified models in this category.

Model	Combustion technology	Emission rate	Efficiency (HHV)	Heat output (high)	Firebox volume	Currently in production
509 Fabrications Chinook VCV 2.1.5	Catalytic Stove	1.3 g/hr	79 %	36400 BTU/h	2.176 cu ft	Yes
A. J. Wells and Sons Charnwood Skye E700	Non-Catalytic Stove	1.7 g/hr	77 %	29850 BTU/h	0.82 cu ft	Yes
Aduro AS H1 Hybrid	Non-Catalytic Stove	1.2 g/hr	80 %	53832 BTU/h	0.653 cu ft	Yes
ARADA STOVES Farringdon 12	Non-Catalytic Stove	1.8 g/hr	71 %	40422 BTU/h	1.16 cu ft	No
ARADA STOVES Farringdon 16	Catalytic Stove	1.5 g/hr	77 %	27025 BTU/h	1.57 cu ft	Yes
ARDISAM Castle Serenity 41278	Non-Catalytic Stove	1 g/hr	78 %	26493 BTU/h	—	Yes
Blaze King Industries 20.2 Series: Ashford 20.2 (AF20.2)	Catalytic Stove	1.05 g/hr	80 %	31092 BTU/h	1.86 cu ft	Yes
Blaze King Industries 25 Series: Sirocco 25 (SC25) Insert	Catalytic Stove	0.74 g/hr	79 %	24085 BTU/h	2.08 cu ft	Yes
Blaze King Industries 30.2 Series: Sirocco 30.2 (SC30.2)	Catalytic Stove	0.81 g/hr	83 %	36076 BTU/h	2.843 cu ft	Yes
Blaze King Industries Ashford AF20.2	Catalytic Stove	0.73 g/hr	77 %	29785 BTU/h	1.82 cu ft	No
Blaze King Industries Ashford AF20.2 (2)	Catalytic Stove	1.05 g/hr	80 %	31092 BTU/h	1.86 cu ft	No
Blaze King Industries Ashford AF25	Catalytic Stove	0.9 g/hr	77 %	26290 BTU/h	2.3 cu ft	No
Blaze King Industries Ashford AF30.2	Catalytic Stove	0.8 g/hr	76 %	27116 BTU/h	2.9 cu ft	No
Blaze King Industries King KE40	Catalytic Stove	1.1 g/hr	81 %	34985 BTU/h	4.35 cu ft	No
Blaze King Industries King KE40 (2)	Catalytic Stove	1 g/hr	81 %	38516 BTU/h	4.25 cu ft	No
Blaze King Industries King KE40 (3)	Catalytic Stove	1 g/hr	81 %	38516 BTU/h	4.55 cu ft	Yes
Blaze King Industries Princess PE32	Catalytic Stove	0.4 g/hr	80 %	31478 BTU/h	2.91 cu ft	No
Blaze King Industries Princess PE32 (2)	Catalytic Stove	0.55 g/hr	82 %	34435 BTU/h	2.86 cu ft	Yes
Blaze King Industries Princess PI29 Insert	Catalytic Stove	1.3 g/hr	75 %	24348 BTU/h	2.6 cu ft	No
Blaze King Industries Princess PI29 Insert (2)	Catalytic Stove	1 g/hr	80 %	30194 BTU/h	2.63 cu ft	Yes
Central Boiler Inc.- WoodMaster Maxim M255P/M255PE	Non-Catalytic Stove	0.8 g/hr	82 %	165215 BTU/h	—	No
DECTRA (GARN) GARN WHS-2000H	Non-Catalytic Stove	1.69 g/hr	74 %	200000 BTU/h	—	No
DECTRA (GARN) GARN WHS-2000V	Non-Catalytic Stove	1.69 g/hr	74 %	200000 BTU/h	—	No
Dovre Incorporated Norflam Harbor Light	Non-Catalytic Stove	1.9 g/hr	76 %	51616 BTU/h	1.554 cu ft	Yes
DS Machine Homeland 2.9	Non-Catalytic Stove	1.2 g/hr	72 %	32663 BTU/h	2.9 cu ft	Yes
EcoVision Kiwi VcV 2.1	Catalytic Stove	1.3 g/hr	77 %	28800 BTU/h	2.15 cu ft	No
Enerco Group Mini Wood Stove: WS080	Non-Catalytic Stove	1.6 g/hr	72 %	26631 BTU/h	0.57 cu ft	Yes
Enerco Group WS090	Non-Catalytic Stove	1.9 g/hr	68 %	27513 BTU/h	1.16 cu ft	Yes
Enerco Group WS100	Non-Catalytic Stove	1.84 g/hr	73 %	48573 BTU/h	1.84 cu ft	Yes
Enerco Group WS110	Non-Catalytic Stove	0.99 g/hr	70 %	49138 BTU/h	2.28 cu ft	Yes
Energy Distribution Gaya Ardoise	Non-Catalytic Stove	1.9 g/hr	63 %	36774 BTU/h	2.31 cu ft	No
Energy Distribution Invicta Group: Kazan	Non-Catalytic Stove	1.8 g/hr	63 %	23830 BTU/h	1.53 cu ft	Yes
Englands Stove Works 15-SSW01	Non-Catalytic Stove	1.9 g/hr	74 %	27546 BTU/h	2.35 cu ft	No
Foyers Supreme 16 IN Model Line: Lumis 16 (16 IN)	Non-Catalytic Stove	0.95 g/hr	66 %	27042 BTU/h	1.26 cu ft	Yes
Foyers Supreme 38SFC_D_II and 38ST_D_II Series: Elegance ST 42 II	Non-Catalytic Stove	1.4 g/hr	70 %	25403 BTU/h	3.492 cu ft	Yes
Foyers Supreme Ambiance Elegance 36 24SF	Non-Catalytic Stove	1.8 g/hr	67 %	25944 BTU/h	2.24 cu ft	Yes
Foyers Supreme Astra 18 (2)	Non-Catalytic Stove	1.2 g/hr	70 %	19821 BTU/h	1.56 cu ft	Yes
Foyers Supreme Astra 24 24SFC	Non-Catalytic Stove	1 g/hr	71 %	24090 BTU/h	2.25 cu ft	Yes
Foyers Supreme Astra 24 24SFC (2)	Non-Catalytic Stove	1.9 g/hr	68 %	23872 BTU/h	2.27 cu ft	No
Foyers Supreme Astra 32	Non-Catalytic Stove	1.5 g/hr	67 %	29274 BTU/h	3.2 cu ft	Yes
Foyers Supreme Astra 38	Non-Catalytic Stove	1.8 g/hr	68 %	26354 BTU/h	3.5 cu ft	Yes
Foyers Supreme Flair 34	Non-Catalytic Stove	1.6 g/hr	66 %	49358 BTU/h	2.98 cu ft	No
Foyers Supreme Fusion 18 18FN	Non-Catalytic Stove	1.9 g/hr	67 %	22421 BTU/h	1.86 cu ft	Yes
Foyers Supreme Fusion 24 24FN	Non-Catalytic Stove	1.5 g/hr	65 %	44605 BTU/h	2.94 cu ft	Yes
Foyers Supreme Lumis 22 – Soapstone	Non-Catalytic Stove	1.3 g/hr	67 %	19559 BTU/h	1.91 cu ft	Yes
FPI/Regency Fireplace Products Alterra Pro I3000 Series (I300R	Catalytic Stove	0.95 g/hr	78 %	33155 BTU/h	2.92 cu ft	Yes
FPI/Regency Fireplace Products CI2700	Catalytic Stove	1.3 g/hr	74 %	29511 BTU/h	1.83 cu ft	No
FPI/Regency Fireplace Products CI2700-1	Catalytic Stove	1.1 g/hr	77 %	27168 BTU/h	1.83 cu ft	Yes
FPI/Regency Fireplace Products F1150	Non-Catalytic Stove	1.7 g/hr	70 %	39101 BTU/h	0.98 cu ft	No
FPI/Regency Fireplace Products F1150-1	Non-Catalytic Stove	1.3 g/hr	71 %	27353 BTU/h	0.89 cu ft	Yes
FPI/Regency Fireplace Products F1500	Catalytic Stove	1 g/hr	78 %	24488 BTU/h	0.98 cu ft	Yes
FPI/Regency Fireplace Products F2450-2	Non-Catalytic Stove	1.6 g/hr	70 %	29986 BTU/h	2.24 cu ft	Yes
FPI/Regency Fireplace Products F2500	Catalytic Stove	1 g/hr	76 %	50349 BTU/h	2.24 cu ft	No
FPI/Regency Fireplace Products F2500-1	Catalytic Stove	1.4 g/hr	78 %	29795 BTU/h	2.3 cu ft	Yes
FPI/Regency Fireplace Products F3500	Catalytic Stove	0.9 g/hr	81 %	36174 BTU/h	3.04 cu ft	No
FPI/Regency Fireplace Products F3500B-1	Catalytic Stove	1.1 g/hr	76 %	30659 BTU/h	3.024 cu ft	Yes
FPI/Regency Fireplace Products F5200	Catalytic Stove	0.9 g/hr	80 %	47081 BTU/h	4.42 cu ft	No
FPI/Regency Fireplace Products F5200 (2)	Catalytic Stove	0.84 g/hr	80 %	36398 BTU/h	4.42 cu ft	Yes
FPI/Regency Fireplace Products I2450M	Non-Catalytic Stove	1.4 g/hr	67 %	34612 BTU/h	2.24 cu ft	No
FPI/Regency Fireplace Products I2500	Catalytic Stove	1 g/hr	76 %	42995 BTU/h	2.24 cu ft	No
Freedom Stoves Independence PS21	Non-Catalytic Stove	1.6 g/hr	78 %	27884 BTU/h	—	Yes
Fröling Heizkessel und Behälterbau Ges.m.b.H P4 Pellet 60	Non-Catalytic Stove	1.4 g/hr	81 %	212443 BTU/h	—	Yes
Fröling Heizkessel und Behälterbau Ges.m.b.H PE1 Pellet 20	Non-Catalytic Stove	0.42 g/hr	78 %	67744 BTU/h	—	Yes
Fröling Heizkessel und Behälterbau Ges.m.b.H PE1 Pellet 35	Non-Catalytic Stove	0.68 g/hr	80 %	121300 BTU/h	—	Yes
GHP Group Medium Wood Stove Series: MWS-2200L	Non-Catalytic Stove	1.8 g/hr	72 %	44459 BTU/h	1.94 cu ft	Yes
GHP Group Pleasant Hearth Large Wood Stove GWS-2200	Non-Catalytic Stove	1.5 g/hr	75 %	70045 BTU/h	2 cu ft	No
GHP Group Pleasant Hearth Small Wood Stove SWS-1200	Non-Catalytic Stove	1.9 g/hr	78 %	56107 BTU/h	1.53 cu ft	Yes
Greentech Manufacturing Crown Royal Stoves 7300E	Non-Catalytic Stove	1.8 g/hr	75 %	199057 BTU/h	12.83 cu ft	Yes
Gruppo Piazzetta S.P.A Sahara	Non-Catalytic Stove	1.3 g/hr	83 %	39422 BTU/h	—	Yes
Hargassner GmbH ECO-HK 70 Multifuel	Non-Catalytic Stove	1.7 g/hr	87 %	250794 BTU/h	—	No
Hargassner GmbH Smart PK32	Non-Catalytic Stove	0.42 g/hr	87 %	115000 BTU/h	—	Yes
Hase Kaminofenbau (Hearthstone Quality Home Products Inc.) Bari	Hybrid	0.94 g/hr	76 %	26036 BTU/h	1.25 cu ft	No
Hearth and Home Technologies Heat & Glo Pioneer-II-ARC	Non-Catalytic Stove	1.7 g/hr	69 %	21357 BTU/h	2.75 cu ft	Yes
Hearth and Home Technologies P40i-C	Non-Catalytic Stove	0.69 g/hr	82 %	33126 BTU/h	—	Yes
Hearth and Home Technologies P42i-TC	Non-Catalytic Stove	1 g/hr	79 %	32782 BTU/h	—	Yes
Hearth and Home Technologies Quadra-Fire 21M-ACC-C	Non-Catalytic Stove	1.7 g/hr	76 %	29322 BTU/h	1.48 cu ft	Yes
Hearth and Home Technologies Quadra-Fire 31M-ACC-C	Non-Catalytic Stove	1.9 g/hr	73 %	29078 BTU/h	1.89 cu ft	Yes
Hearth and Home Technologies Quadra-Fire 43M-ACC-C	Non-Catalytic Stove	1.6 g/hr	74 %	36757 BTU/h	2.26 cu ft	Yes
Hearth and Home Technologies Quadra-Fire 57ST-ACC-C	Non-Catalytic Stove	1.8 g/hr	74 %	38284 BTU/h	2.95 cu ft	Yes
Hearth and Home Technologies Quadra-Fire Expedition I	Non-Catalytic Stove	1.9 g/hr	65 %	27361 BTU/h	1.45 cu ft	Yes
Hearth and Home Technologies Quadra-Fire Expedition II	Non-Catalytic Stove	1.8 g/hr	71 %	26785 BTU/h	2.37 cu ft	Yes
Hearth and Home Technologies Quadra-Fire Pioneer III-ARC & Quadra-Fire – Pioneer III -REC Wood Heater Model Line	Non-Catalytic Stove	1.3 g/hr	68 %	18341 BTU/h	4.06 cu ft	Yes
Hearth and Home Technologies Quadra-Fire Pioneer-II-C	Non-Catalytic Stove	1.8 g/hr	70 %	48212 BTU/h	2.7 cu ft	No
Hearth and Home Technologies Vermont Castings Aspen C3 (2)	Non-Catalytic Stove	1.8 g/hr	71 %	25549 BTU/h	1.25 cu ft	Yes
Hearth and Home Technologies Vermont Castings by Forge and Flame Dauntless-C	Catalytic Stove	1.7 g/hr	75 %	21356 BTU/h	1.82 cu ft	Yes
Hearth and Home Technologies Vermont Castings Dauntless Flexburn Catalytic Model	Catalytic Stove	1.2 g/hr	78 %	41943 BTU/h	1.82 cu ft	No
Hearth and Home Technologies Vermont Castings Dauntless FlexBurn Model	Non-Catalytic Stove	1.1 g/hr	77 %	49428 BTU/h	1.82 cu ft	No
Hearth and Home Technologies Vermont Castings Defiant 1975-CAT-C	Catalytic Stove	1.3 g/hr	78 %	25471 BTU/h	3.25 cu ft	Yes
Hearth and Home Technologies Vermont Castings Encore 2040-CAT-C	Catalytic Stove	1.1 g/hr	77 %	37102 BTU/h	2 cu ft	Yes
Hearth and Home Technologies Vermont Castings Intrepid FlexBurn 2115	Non-Catalytic Stove	0.6 g/hr	74 %	18502 BTU/h	1.31 cu ft	Yes
Hearth and Home Technologies Vermont Castings Intrepid FlexBurn 2115-CAT	Catalytic Stove	0.3 g/hr	77 %	15906 BTU/h	1.31 cu ft	Yes
Hearthstone Quality Home Heating Products Bari 8171	Hybrid	0.94 g/hr	76 %	26036 BTU/h	1.25 cu ft	Yes
Hearthstone Quality Home Heating Products Castleton 8031	Hybrid	0.98 g/hr	77 %	24540 BTU/h	1.9 cu ft	Yes
Hearthstone Quality Home Heating Products Clydesdale 8492	Hybrid	1.16 g/hr	79 %	32588 BTU/h	2.35 cu ft	Yes
Hearthstone Quality Home Heating Products Green Mountain 40 Series: Green Mountain 40 (8640)	Hybrid	1.1 g/hr	79 %	31581 BTU/h	1.32 cu ft	Yes
Hearthstone Quality Home Heating Products Green Mountain 60 8660	Hybrid	0.6 g/hr	79 %	33576 BTU/h	2.03 cu ft	Yes
Hearthstone Quality Home Heating Products Green Mountain 80 8680	Hybrid	0.67 g/hr	81 %	33396 BTU/h	3.16 cu ft	Yes
Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681)	Hybrid	0.53 g/hr	80 %	33424 BTU/h	3.16 cu ft	Yes
Hearthstone Quality Home Heating Products Heritage 8024	Hybrid	0.54 g/hr	77 %	35845 BTU/h	2.18 cu ft	Yes
Hearthstone Quality Home Heating Products Lincoln 8060	Hybrid	1.1 g/hr	79 %	20507 BTU/h	1 cu ft	Yes
Hearthstone Quality Home Heating Products Manchester 8362	Hybrid	0.65 g/hr	78 %	33038 BTU/h	2.45 cu ft	Yes
Hearthstone Quality Home Heating Products Mansfield 8013	Hybrid	0.54 g/hr	78 %	32200 BTU/h	2.88 cu ft	Yes
Hearthstone Quality Home Heating Products WFP100	Non-Catalytic Stove	1.6 g/hr	64 %	43000 BTU/h	4.28 cu ft	Yes
HeatMaster Furnaces G Series G10000	Non-Catalytic Stove	0 g/hr	88 %	280451 BTU/h	23.6 cu ft	Yes
HeatMaster Furnaces G Series G4000	Non-Catalytic Stove	0 g/hr	86 %	99840 BTU/h	8.5 cu ft	Yes
HeatMaster Furnaces G Series G7000	Non-Catalytic Stove	0 g/hr	81 %	195502 BTU/h	16.3 cu ft	Yes
HeatMaster Furnaces P7000	Non-Catalytic Stove	0 g/hr	78 %	255301 BTU/h	—	Yes
HIDU GmbH BioWIN 152	Non-Catalytic Stove	0 g/hr	65 %	0 BTU/h	—	Yes
HIDU GmbH BioWIN 212	Non-Catalytic Stove	0 g/hr	58 %	0 BTU/h	—	Yes
HIDU GmbH BioWIN 332	Non-Catalytic Stove	0 g/hr	71 %	0 BTU/h	—	Yes
Hussong Manufacturing Company Kozy Heat Z42	Non-Catalytic Stove	1.2 g/hr	66 %	36231 BTU/h	1.92 cu ft	No
Innovative Hearth Products GV230GL	Non-Catalytic Stove	1.7 g/hr	74 %	33911 BTU/h	2.28 cu ft	Yes
Innovative Hearth Products GV300GL	Non-Catalytic Stove	1.8 g/hr	74 %	39232 BTU/h	2.92 cu ft	Yes
Innovative Hearth Products Ladera CAT WRT3920WS	Catalytic Stove	1.8 g/hr	65 %	22847 BTU/h	1.68 cu ft	No
Innovative Hearth Products Ladera-D	Non-Catalytic Stove	1.66 g/hr	59 %	53266 BTU/h	1.71 cu ft	Yes
Innovative Hearth Products Montecito Estate CAT	Catalytic Stove	1.3 g/hr	79 %	39519 BTU/h	2.8 cu ft	Yes
Innovative Hearth Products Montecito-B	Non-Catalytic Stove	1.9 g/hr	72 %	55597 BTU/h	1.45 cu ft	No
Innovative Hearth Products Montecito-C Series: Montecito-C	Non-Catalytic Stove	1.5 g/hr	61 %	81385 BTU/h	2.19 cu ft	Yes
Innovative Hearth Products S160AGL	Non-Catalytic Stove	1.7 g/hr	69 %	39447 BTU/h	1.54 cu ft	Yes
Innovative Hearth Products S210AGL	Non-Catalytic Stove	1.5 g/hr	71 %	37857 BTU/h	2.12 cu ft	No
Innovative Hearth Products T2100GLS	Non-Catalytic Stove	1.5 g/hr	73 %	35000 BTU/h	2 cu ft	Yes
J. A. Roby Cook	Non-Catalytic Stove	1.9 g/hr	64 %	21782 BTU/h	1.37 cu ft	Yes
J. A. Roby Pioneer	Non-Catalytic Stove	1.6 g/hr	72 %	55107 BTU/h	3.01 cu ft	Yes
J. A. Roby Polaris	Non-Catalytic Stove	1.4 g/hr	73 %	21846 BTU/h	1.55 cu ft	Yes
J. A. Roby Supero	Non-Catalytic Stove	1.5 g/hr	71 %	20184 BTU/h	1.397 cu ft	Yes
Jotul North America (Jotul U.S.A., Inc.) C550 V2	Catalytic Stove	1.1 g/hr	77 %	36214 BTU/h	1.9 cu ft	Yes
Jotul North America (Jotul U.S.A., Inc.) F 500 V3	Hybrid	0.5 g/hr	78 %	38804 BTU/h	2.41 cu ft	Yes
Jotul North America (Jotul U.S.A., Inc.) F 55 V2	Non-Catalytic Stove	1.3 g/hr	68 %	84311 BTU/h	2.76 cu ft	No
Jotul North America (Jotul U.S.A., Inc.) F35	Non-Catalytic Stove	1.2 g/hr	69 %	59443 BTU/h	1.57 cu ft	Yes
Jotul North America (Jotul U.S.A., Inc.) F445	Catalytic Stove	0.49 g/hr	72 %	35722 BTU/h	2.03 cu ft	Yes
Jotul North America (Jotul U.S.A., Inc.) F445 V2	Hybrid	0.65 g/hr	77 %	36986 BTU/h	2.03 cu ft	Yes
Jotul North America (Jotul U.S.A., Inc.) F45V2	Non-Catalytic Stove	1.8 g/hr	71 %	58657 BTU/h	2.37 cu ft	No
Jotul North America (Jotul U.S.A., Inc.) F602 V3	Catalytic Stove	1.4 g/hr	77 %	23415 BTU/h	0.79 cu ft	Yes
Kuma Stove And Iron Works K-180 Series Aspen LE	Hybrid	0.72 g/hr	81 %	32121 BTU/h	1.74 cu ft	No
Kuma Stove And Iron Works K-181 Series: Aspen LE-1	Catalytic Stove	1.1 g/hr	78 %	29153 BTU/h	1.821 cu ft	Yes
Kuma Stove And Iron Works K-250 Series Ashwood LE	Hybrid	1.1 g/hr	79 %	30308 BTU/h	2.5 cu ft	No
Kuma Stove And Iron Works K-251 Series: Ashwood LE-1	Catalytic Stove	1.1 g/hr	78 %	30612 BTU/h	2.56 cu ft	Yes
Maine Energy Systems PE/PES 12-20	Non-Catalytic Stove	0.7 g/hr	75 %	67694 BTU/h	—	No
Maine Energy Systems PE/PES 36-56	Non-Catalytic Stove	1.7 g/hr	86 %	199408 BTU/h	—	No
Maine Energy Systems Pellematic 20	Non-Catalytic Stove	0.23 g/hr	77 %	70418 BTU/h	—	Yes
Maine Energy Systems Pellematic 22	Non-Catalytic Stove	0.44 g/hr	82 %	68300 BTU/h	—	Yes
Maine Energy Systems Pellematic 32	Non-Catalytic Stove	0.32 g/hr	77 %	106996 BTU/h	—	Yes
Maine Energy Systems Pellematic 56	Non-Catalytic Stove	0.9 g/hr	86 %	191203 BTU/h	—	No
Maine Energy Systems Pellematic 56 (2)	Non-Catalytic Stove	0 g/hr	84 %	191203 BTU/h	—	Yes
Maine Energy Systems PES 25-32	Non-Catalytic Stove	0.8 g/hr	81 %	99797 BTU/h	—	No
MF Fire Catalyst	Catalytic Stove	1.9 g/hr	70 %	28675 BTU/h	2 cu ft	No
MF Fire NOVA	Catalytic Stove	1.9 g/hr	71 %	25224 BTU/h	1.63 cu ft	No
MF Fire NOVA 2	Catalytic Stove	1.9 g/hr	75 %	38037 BTU/h	2.4 cu ft	No
MF Fire Nova 2C	Catalytic Stove	1.4 g/hr	78 %	21009 BTU/h	2.33 cu ft	Yes
MF Fire Nova C	Catalytic Stove	1.9 g/hr	71 %	28140 BTU/h	1.7 cu ft	Yes
Morso Jernstoberi A/S 1410B	Non-Catalytic Stove	1.8 g/hr	73 %	24733 BTU/h	0.74 cu ft	Yes
Morso Jernstoberi A/S 2B Classic 2020	Non-Catalytic Stove	0.5 g/hr	80 %	31988 BTU/h	0.686 cu ft	Yes
Morso Jernstoberi A/S 2B Standard 2020	Non-Catalytic Stove	0.55 g/hr	80 %	25299 BTU/h	0.69 cu ft	No
Morso Jernstoberi A/S 3112B	Non-Catalytic Stove	1.9 g/hr	68 %	28000 BTU/h	0.85 cu ft	Yes
Morso Jernstoberi A/S 5660 B	Non-Catalytic Stove	1.2 g/hr	71 %	43499 BTU/h	1.15 cu ft	Yes
Morso Jernstoberi A/S 6100 B Series (6140 B	Non-Catalytic Stove	1.8 g/hr	74 %	19067 BTU/h	0.522 cu ft	Yes
Morso Jernstoberi A/S 6140 B	Non-Catalytic Stove	0.67 g/hr	77 %	38107 BTU/h	0.505 cu ft	No
Morso Jernstoberi A/S 7110 B	Non-Catalytic Stove	1.1 g/hr	75 %	36554 BTU/h	0.83 cu ft	No
Morso Jernstoberi A/S 7110 C	Non-Catalytic Stove	1.5 g/hr	73 %	23449 BTU/h	0.83 cu ft	Yes
NBE Production Kedel RTB 170	Non-Catalytic Stove	1.76 g/hr	79 %	162000 BTU/h	—	No
NBE Production Kedel RTB102	Non-Catalytic Stove	0.87 g/hr	73 %	87379 BTU/h	—	No
NBE Production Kedel RTB54	Non-Catalytic Stove	0.68 g/hr	70 %	60000 BTU/h	—	No
New Buck Corporation (Buck Stove Corp.) 21NC	Non-Catalytic Stove	1.7 g/hr	70 %	28901 BTU/h	1.4 cu ft	Yes
New Buck Corporation (Buck Stove Corp.) Model 74	Non-Catalytic Stove	1.8 g/hr	73 %	52400 BTU/h	2.15 cu ft	No
New Buck Corporation (Buck Stove Corp.) Model 81	Non-Catalytic Stove	1.1 g/hr	70 %	59490 BTU/h	2.48 cu ft	No
New Buck Corporation (Buck Stove Corp.) Model 91	Catalytic Stove	1.3 g/hr	80 %	43190 BTU/h	3.07 cu ft	Yes
New Buck Corporation (Buck Stove Corp.) Model 91 (2)	Catalytic Stove	1.9 g/hr	80 %	62745 BTU/h	2.61 cu ft	No
Northwest Manufacturing Woodmaster CleanFire 400	Non-Catalytic Stove	1.04 g/hr	67 %	102408 BTU/h	—	No
Northwest Manufacturing Woodmaster Mini Boiler	Non-Catalytic Stove	1.4 g/hr	65 %	101577 BTU/h	—	No
Northwest Manufacturing Woodmaster Ultra 30	Non-Catalytic Stove	1.6 g/hr	59 %	102716 BTU/h	—	No
Pacific Energy Fireplace Products Limited FP16 LE	Non-Catalytic Stove	1.4 g/hr	63 %	46972 BTU/h	1.33 cu ft	No
Pacific Energy Fireplace Products Limited FP25LE	Non-Catalytic Stove	1.4 g/hr	67 %	51530 BTU/h	2.1 cu ft	No
Pacific Energy Fireplace Products Limited FP30 LE	Non-Catalytic Stove	1.7 g/hr	69 %	65631 BTU/h	2.74 cu ft	No
Pacific Energy Fireplace Products Limited NEO 1.6 LE2 Model Line (Vista LE2	Non-Catalytic Stove	1.6 g/hr	75 %	30149 BTU/h	1.37 cu ft	Yes
Pacific Energy Fireplace Products Limited NEO 2.5 LE2	Non-Catalytic Stove	1.6 g/hr	73 %	29536 BTU/h	1.88 cu ft	Yes
Pacific Energy Fireplace Products Limited Summit LE	Non-Catalytic Stove	1.8 g/hr	74 %	41275 BTU/h	2.5 cu ft	Yes
Pacific Energy Fireplace Products Limited Super LE	Non-Catalytic Stove	1.8 g/hr	71 %	38177 BTU/h	2.14 cu ft	Yes
Pacific Energy Fireplace Products Limited TN25 C	Catalytic Stove	1.1 g/hr	76 %	29202 BTU/h	1.98 cu ft	Yes
Pacific Energy Fireplace Products Limited True North TN10	Non-Catalytic Stove	1.4 g/hr	73 %	17623 BTU/h	0.81 cu ft	Yes
Pacific Energy Fireplace Products Limited True North TN20 Series B	Non-Catalytic Stove	1.6 g/hr	73 %	29208 BTU/h	1.996 cu ft	Yes
Pacific Energy Fireplace Products Limited Vista LE	Non-Catalytic Stove	1.9 g/hr	72 %	23186 BTU/h	1.55 cu ft	No
Polar Furnace Manufacturing G-Class G2Plus	Non-Catalytic Stove	1.34 g/hr	81 %	183307 BTU/h	9.27 cu ft	Yes
Polar Furnace Manufacturing G3-G3	Non-Catalytic Stove	1.96 g/hr	72 %	200000 BTU/h	—	No
Rais A/S Nexo 100 ManualNexo 100 Classic Manual	Non-Catalytic Stove	1.1 g/hr	72 %	20238 BTU/h	1.48 cu ft	Yes
Rais A/S Q-Tee II Steel	Non-Catalytic Stove	0.9 g/hr	69 %	30772 BTU/h	0.9 cu ft	No
Rais A/S Q-Tee II USA Series: Q-Tee II USA	Non-Catalytic Stove	0.7 g/hr	73 %	20005 BTU/h	0.9 cu ft	Yes
Rais A/S Viva 100 L (CA) USA	Non-Catalytic Stove	1.1 g/hr	72 %	22857 BTU/h	1.29 cu ft	No
RSF / Industrial Chimney Company, Incorporated Delta Fusion	Non-Catalytic Stove	1.3 g/hr	60 %	34057 BTU/h	4.04 cu ft	No
RSF / Industrial Chimney Company, Incorporated Focus 320 SBR	Non-Catalytic Stove	1.4 g/hr	66 %	22563 BTU/h	2.1 cu ft	Yes
RSF / Industrial Chimney Company, Incorporated OPEL PLUS Series: Opel+ 2C	Catalytic Stove	0.7 g/hr	70 %	27034 BTU/h	2.32 cu ft	Yes
RSF / Industrial Chimney Company, Incorporated RSF 3600 Series: Pearl 3600	Non-Catalytic Stove	1.5 g/hr	74 %	44135 BTU/h	1.57 cu ft	No
RSF / Industrial Chimney Company, Incorporated RSF 3600B Series: Pearl 3600B	Non-Catalytic Stove	1.7 g/hr	70 %	25406 BTU/h	1.6 cu ft	Yes
Sierra Products S8000II TEC	Catalytic Stove	1.7 g/hr	78 %	71267 BTU/h	2.93 cu ft	Yes
SMG Hearth and Home HP 40	Non-Catalytic Stove	0.74 g/hr	81 %	26224 BTU/h	—	Yes
Spartherm L 800 ZC	Non-Catalytic Stove	1.3 g/hr	71 %	20406 BTU/h	1.56 cu ft	Yes
Spartherm M 700 Insert	Non-Catalytic Stove	1.1 g/hr	68 %	29452 BTU/h	1.58 cu ft	No
Spartherm M 700 Series: Spartherm M 700 Insert	Non-Catalytic Stove	1.7 g/hr	66 %	24906 BTU/h	1.58 cu ft	Yes
Spartherm S 600 Insert	Non-Catalytic Stove	1.7 g/hr	70 %	47417 BTU/h	0.95 cu ft	No
Spartherm S 600 Insert (2)	Non-Catalytic Stove	1.8 g/hr	62 %	21299 BTU/h	0.94 cu ft	Yes
Steel Tech G Series G100/G100s	Non-Catalytic Stove	1 g/hr	68 %	125000 BTU/h	—	No
Steel Tech G Series G200-2/G200s	Non-Catalytic Stove	1.7 g/hr	75 %	232000 BTU/h	—	No
Stove Builder International 1.4 Series (Osburn 950	Non-Catalytic Stove	1.8 g/hr	74 %	26500 BTU/h	1.55 cu ft	Yes
Stove Builder International 1.4R Series: Osburn 950 N	Non-Catalytic Stove	1.7 g/hr	74 %	71279 BTU/h	1.67 cu ft	Yes
Stove Builder International 1.7 Series - Archway 1700	Non-Catalytic Stove	1.3 g/hr	70 %	23300 BTU/h	1.44 cu ft	No
Stove Builder International 1.7 Series - Blackcomb II	Non-Catalytic Stove	1.3 g/hr	70 %	23300 BTU/h	1.44 cu ft	No
Stove Builder International 15-W06	Non-Catalytic Stove	1.8 g/hr	72 %	65853 BTU/h	2.86 cu ft	No
Stove Builder International 2.1 Series (Destination 1.9	Non-Catalytic Stove	1.5 g/hr	75 %	31700 BTU/h	1.03 cu ft	Yes
Stove Builder International 2.5 Series	Non-Catalytic Stove	1.1 g/hr	68 %	48185 BTU/h	1.69 cu ft	No
Stove Builder International 2.5R Series (Solution 2.5 ZC II	Non-Catalytic Stove	1.2 g/hr	64 %	60700 BTU/h	1.94 cu ft	Yes
Stove Builder International 3.3 Series Osburn 3300	Non-Catalytic Stove	0.95 g/hr	71 %	57041 BTU/h	2.67 cu ft	No
Stove Builder International 3.5 Series (Solution 3.5	Non-Catalytic Stove	1.6 g/hr	71 %	57800 BTU/h	2.88 cu ft	Yes
Stove Builder International Everest II Series HE300 II	Non-Catalytic Stove	0.99 g/hr	66 %	49654 BTU/h	2.61 cu ft	No
Stove Builder International Everest III Series: Everest III	Non-Catalytic Stove	1.9 g/hr	65 %	78200 BTU/h	2.61 cu ft	Yes
Stove Builder International HE350	Non-Catalytic Stove	1.6 g/hr	64 %	43000 BTU/h	4.28 cu ft	Yes
Stove Builder International SR-3.2 Series: St-Louis	Non-Catalytic Stove	1.8 g/hr	76 %	83857 BTU/h	3.15 cu ft	Yes
Stove Builder International XTD 1.9 Stove	Non-Catalytic Stove	1.5 g/hr	69 %	26800 BTU/h	2.02 cu ft	No
STUV AMERICA 30 Compact	Non-Catalytic Stove	1.8 g/hr	74 %	17049 BTU/h	0.99 cu ft	Yes
STUV AMERICA Six 66-50	Non-Catalytic Stove	1.9 g/hr	68 %	17121 BTU/h	1.08 cu ft	Yes
STUV AMERICA STÛV 1678IN	Non-Catalytic Stove	1.8 g/hr	67 %	27092 BTU/h	1.91 cu ft	Yes
STUV AMERICA STÛV 6 IN 76x60	Non-Catalytic Stove	1.9 g/hr	68 %	23388 BTU/h	1.58 cu ft	Yes
STUV AMERICA STUV 1658IN	Non-Catalytic Stove	1.47 g/hr	71 %	27015 BTU/h	1.59 cu ft	Yes
STUV AMERICA STUV 1668IN	Non-Catalytic Stove	1.7 g/hr	66 %	23727 BTU/h	1.94 cu ft	Yes
STUV AMERICA STUV 1668IN (2)	Non-Catalytic Stove	1.9 g/hr	61 %	24818 BTU/h	1.94 cu ft	No
STUV AMERICA STUV SIX 76-55	Non-Catalytic Stove	1.86 g/hr	68 %	22732 BTU/h	1.55 cu ft	Yes
STUV AMERICA STUV SIX 76-60	Non-Catalytic Stove	1.9 g/hr	68 %	23388 BTU/h	1.58 cu ft	No
Thelin Company Thelin Parlour T-4000	Non-Catalytic Stove	1.8 g/hr	71 %	30945 BTU/h	1.32 cu ft	Yes
Travis Industries 36 Elite	Catalytic Stove	1.3 g/hr	72 %	69747 BTU/h	2.86 cu ft	No
Travis Industries 36 Elite NexGen-Hybrid	Hybrid	0.6 g/hr	80 %	47514 BTU/h	3.135 cu ft	Yes
Travis Industries 42 Apex	Catalytic Stove	0.93 g/hr	73 %	49626 BTU/h	3.2 cu ft	No
Travis Industries 42 Apex NexGen-Hybrid	Hybrid	1.2 g/hr	77 %	38005 BTU/h	3.18 cu ft	Yes
Travis Industries 44 Elite	Catalytic Stove	1.8 g/hr	73 %	78046 BTU/h	4.2 cu ft	No
Travis Industries 44 Elite NexGen-Hybrid	Hybrid	1.1 g/hr	81 %	54510 BTU/h	4.2 cu ft	Yes
Travis Industries Answer NexGen Hybrid	Catalytic Stove	1.3 g/hr	76 %	28961 BTU/h	1.48 cu ft	No
Travis Industries Answer NexGen Hybrid (2)	Hybrid	1.4 g/hr	80 %	38594 BTU/h	1.4 cu ft	Yes
Travis Industries Endeavor	Non-Catalytic Stove	1.4 g/hr	74 %	67090 BTU/h	2.43 cu ft	No
Travis Industries Endeavor NexGen-Hybrid	Hybrid	1.2 g/hr	80 %	31922 BTU/h	2.66 cu ft	Yes
Travis Industries Evergreen	Non-Catalytic Stove	1.5 g/hr	77 %	70720 BTU/h	2.2 cu ft	No
Travis Industries Evergreen NexGen-Hybrid Free-Standing	Hybrid	1.2 g/hr	77 %	31641 BTU/h	2.18 cu ft	Yes
Travis Industries Large Flush Wood Hybrid Fyre Insert	Hybrid	1.9 g/hr	78 %	57628 BTU/h	2.8 cu ft	No
Travis Industries Large Flush Wood Insert	Non-Catalytic Stove	1.7 g/hr	73 %	66736 BTU/h	2.8 cu ft	No
Travis Industries Large Flush Wood NexGen-Hybrid	Hybrid	0.8 g/hr	78 %	39829 BTU/h	2.72 cu ft	Yes
Travis Industries Liberty NexGen-Hybrid	Catalytic Stove	0.9 g/hr	80 %	47138 BTU/h	4.14 cu ft	Yes
Travis Industries Lopi Cape Cod Hybrid-Fyre	Hybrid	1.9 g/hr	77 %	62623 BTU/h	2.76 cu ft	No
Travis Industries Lopi Rockport Hybrid-Fyre	Hybrid	1.7 g/hr	76 %	55466 BTU/h	2.15 cu ft	No
Travis Industries Medium Flush Wood Hybrid Fyre Insert	Hybrid	1.7 g/hr	76 %	69982 BTU/h	2.02 cu ft	No
Travis Industries Medium Flush Wood NexGen-Hybrid	Hybrid	1.2 g/hr	77 %	39456 BTU/h	2.23 cu ft	Yes
Travis Industries Rockport	Catalytic Stove	0.8 g/hr	78 %	39259 BTU/h	2.15 cu ft	No
Travis Industries Rockport NexGen-Hybrid	Catalytic Stove	0.73 g/hr	80 %	42722 BTU/h	2.04 cu ft	Yes
United States Stove Company KP5517	Non-Catalytic Stove	1.6 g/hr	77 %	30884 BTU/h	—	Yes
United States Stove Company TH-100	Non-Catalytic Stove	1.7 g/hr	75 %	26028 BTU/h	0.59 cu ft	Yes
United States Stove Company TR007E	Non-Catalytic Stove	1.3 g/hr	71 %	67992 BTU/h	2.68 cu ft	No
United States Stove Company US1261E	Non-Catalytic Stove	1.9 g/hr	68 %	33557 BTU/h	1.145 cu ft	Yes
United States Stove Company US1269E	Non-Catalytic Stove	1.8 g/hr	67 %	29234 BTU/h	1.145 cu ft	Yes
United States Stove Company US1800E	Non-Catalytic Stove	1.8 g/hr	66 %	33050 BTU/h	1.2 cu ft	No
United States Stove Company US1800E (2)	Non-Catalytic Stove	1.8 g/hr	73 %	28445 BTU/h	1.2 cu ft	Yes
United States Stove Company US2000 Model Line: AW2020	Non-Catalytic Stove	1.6 g/hr	70 %	34130 BTU/h	1.63 cu ft	Yes
United States Stove Company US2000E	Non-Catalytic Stove	1 g/hr	70 %	63196 BTU/h	1.6 cu ft	No
United States Stove Company US2500E	Non-Catalytic Stove	0.88 g/hr	73 %	60065 BTU/h	2.73 cu ft	No
United States Stove Company US2941EB	Non-Catalytic Stove	0.91 g/hr	72 %	48127 BTU/h	2.32 cu ft	No
Wittus Shaker	Catalytic Stove	1.8 g/hr	76 %	21399 BTU/h	1.46 cu ft	Yes
Wolf Steel Napoleon EPI3C	Non-Catalytic Stove	1.2 g/hr	72 %	47887 BTU/h	1.79 cu ft	No
Wolf Steel Napoleon S15	Non-Catalytic Stove	1.6 g/hr	71 %	30042 BTU/h	1.45 cu ft	No
Wolf Steel Napoleon S25	Non-Catalytic Stove	1.3 g/hr	72 %	54057 BTU/h	2.51 cu ft	No
Wolf Steel NZ3000H	Catalytic Stove	1.4 g/hr	68 %	42203 BTU/h	2.3 cu ft	No
Wolf Steel Timberwolf 2100	Non-Catalytic Stove	1.6 g/hr	71 %	30042 BTU/h	1.45 cu ft	No
Woodstock Soapstone Company 202 Palladian	Catalytic Stove	0.85 g/hr	80 %	46437 BTU/h	1.4 cu ft	No
Woodstock Soapstone Company 205 Fireview Catalytic	Catalytic Stove	1.1 g/hr	78 %	46460 BTU/h	1.85 cu ft	No
Woodstock Soapstone Company 209a Progress Hybrid	Hybrid	0.63 g/hr	78 %	47220 BTU/h	2.8 cu ft	No
Woodstock Soapstone Company 210a Ideal Steel Hybrid	Hybrid	0.89 g/hr	77 %	43263 BTU/h	3.22 cu ft	No
Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal	Hybrid	1 g/hr	79 %	27294 BTU/h	1.15 cu ft	Yes
Woodstock Soapstone Company Absolute Steel Hybrid 211	Hybrid	0.5 g/hr	77 %	45317 BTU/h	2.43 cu ft	Yes
Woodstock Soapstone Company Fireview Soapstone Stove 205b	Catalytic Stove	1.6 g/hr	77 %	56499 BTU/h	1.85 cu ft	Yes
Woodstock Soapstone Company Progress Hybrid 209b	Hybrid	0.46 g/hr	80 %	35222 BTU/h	2.8 cu ft	Yes