Friday, June 17, 2016

Wood and pellet stoves with actual efficiency numbers


Updated, December 14, 2017 - Nearly 175 wood and pellet stoves, 25% of all models, have been tested by accredited laboratories for efficiency, giving consumers vital information that hundreds of other models don't have. Consumers should consider buying one of these stoves if they want a stove that has a reliable efficiency number.  However, with wood stoves, efficiency depends partly on the operator.  The listed efficiency of wood stoves represents what consumers can get if they use dry wood and give the stove sufficient air.  With pellet stoves, the efficiency reported by the lab is a good approximation of the efficiency the consumer can expect.  

Consumers should beware that most manufacturer websites post unreliable and exaggerated efficiencies, except for a small group of companies. Some companies may not post the efficiencies of their pellet stoves because they are poorly designed and have efficiencies below 65%. Click here for an analysis of stove efficiencies.

In addition to the approximately 175 stoves on the EPA list with actual efficiencies, the Alliance for Green heat obtained actual efficiencies from the EPA on five other stoves.  The Harman Accentra 52i at 76%, the Quadrafire Mt. Vernon E2 at 75%, and the Ravelli 100 at 70% and Ravelli 80 at 56%. The Alliance obtained these efficiencies through a Freedom of Information Act request and received this chart.
 
How to read this chart: Some of the Model Names have been shortened to fit into the format of this blog.  To check the official source of certified stoves that would contain the full model name(s), refer to the list of EPA certified stoves.  The emission rate is the number of grams of particulate matter that make up smoke, per hour. The actual efficiency refers to a average of the range of heat outputs that the stove is capable of, calculated using the CSA B415.1-10, which uses the higher heating value (HHV). Under type of stove, "Cat" refers to catalytic stoves, "Hybrid" refers to stoves that have both catalytic and non-catalytic technology, and "Non Cat" refers to non-catalytic stoves.

Click here for a downloadable list of EPA certified stoves with verified efficiencies in order of their efficiencies and here for a downloadable list of the stoves in order of their emissions.  Carbon monoxide values are also included on this list for the few stoves that EPA has listed CO for.

Company Model G/hr Efficiency Type CO
Extraflame S.P.A.   V5.2 0.59 87 Pellet
Extraflame S.P.A.   V3.4 1.1 85 Pellet
Kuma Stove Inc. K100/300/400 SEQUOIA 2.20 84 Catalytic
Ningbo Hongsheng Fireplace Company (SMG Hearth and Home, LLC) HP 61  1.2 83 Pellet
Woodstock Soapstone Company, Inc. Ideal Steel Hybrid 210 1 82 Cat/hybrid
Blaze King Industries, Inc. Blaze King King Catalytic KEJ 1107 1.8 82 Catalytic
Extraflame S.P.A.   V4.5 0.93 82 Pellet
Hearth and Home Technologies PelPro PPC90, PelPro TSC90, Pleasant Hearth PHC90 1.1 82 Pellet
Blaze King Industries, Inc. Princess 35 PE35 2.1 81 Catalytic
Blaze King Industries, Inc. Princess PEJ 1006 2.40 81 Catalytic
Fireplace Products International Limited Regency F3500 1.10 81 Catalytic
Woodstock Soapstone Company, Inc. Progress Hybrid Soapstone Stove #209 1.3 81 Catalytic
Ningbo Hongsheng Fireplace Company (SMG Hearth and Home, LLC) HP50S Comfortbilt  2.5 81 Pellet
Travis Industries, Inc. Cape Cod 0.45 80 Cat/hybrid
Travis Industries, Inc. LG Flushwood Insert Hybrid - Fyre 0.58 80 Cat/hybrid
Blaze King Industries, Inc. Ashford 30.1 (AF30.1), Chinook 30.1 (CK30.1), Sirocco 30.1 (SC30.1) 0.8 80 Catalytic
Blaze King Industries, Inc. Princess Insert PI 1010A 2 80 Catalytic
Fireplace Products International Limited Regency Cl2600 and HI400 1.80 80 Catalytic
Ravelli SRL RV100 Classic  0.7 80 Pellet 0.04
Fireplace Products International Limited Regency F5100 1.5 79 Catalytic
Innovative Hearth Products Montecito Estate CAT and WCT6940WS  1.3 79 Catalytic
Ravelli SRL RC120 Touch, Atena C, and Vitoria C 0.62 79 Pellet 0.02
Ravelli SRL RV120 Touch, Atena V and Vitoria V 0.62 79 Pellet 0.05
509 Fabrications, Inc. 509-1 Optimum  1.5 79 Pellet 1.6
APR Industries Ltd. Kozi 100 Free Standing and Insert and KSH 120 0.61 79 Pellet
England's Stove Works, Inc. 25-SSP01, 25-SSP01S, 55-SHSSP01, 55-SHSSP01S, 55-TRSSP01, and 55-TRSSP01S  0.56 79 Pellet
Ningbo Hongsheng Fireplace Company (SMG Hearth and Home, LLC) HP 21  1.3 79 Pellet
SMG Hearth and Home, LLC. HP 21  1.3 79 Pellet
Travis Industries, Inc. Rockport Hybrid-Fyre 0.8 78 Cat/hybrid
Hearth and Home Technologies  Quadra Fire Mount Vernon E2-C and Quadra Fire Mount Vernon E2-C Insert 0.7 78 Pellet 0.15
APR Industries Ltd. BayWin Free Standing and Insert 0.56 78 Pellet
Ravelli SRL Francesca 2015, Monica 2015, and RV 80 Ceramica. 0.6 78 Pellet
Seraph Industries Genesis 106/108 2.10 78 Pellet
Woodstock Soapstone Company, Inc. Absolute Steel Hybrid 211 0.50 77 Cat/hybrid
EcoVision Ltd. Kiwi VcV 2.1  1.3 77 Catalytic 0.38
Hearthstone Quality Home Heating Products Inc. Green Mountain 40 8640  0.9 77 Catalytic 0.67
Blaze King Industries, Inc. Chinook / Sirocco/Ashford 20 1.30 77 Catalytic
Blaze King Industries, Inc. Sirocco SC25, Ashford AF25, Boxer 24 (BX24) 0.9 77 Catalytic
Blaze King Industries, Inc. Ashford 20.1, Chinook 20.1, Sirocco 20.1 1.30 77 Catalytic
ARADA STOVES Ltd.  Farringdon 16 1.5 77 Non Catalytic 0.91
Thelin Company Inc. (Cardon Products) Thelin Parlour 3000  0.43 77 Pellet 0.08
Sherwood Industries, Ltd. EF2-1, Chatham-1, Davenport-1 and Kinderhook-1 1.4 77 Pellet 0.12
Hearth and Home Technologies Harman Absolute 63 1.4 77 Pellet 0.925
Ardisam Serenity Castle 1.1 77 Pellet
Travis Industries, Inc. Small Flush Wood Hybrid Fyre 0.89 76 Catalytic
Hase Kaminofenbau (Hearthstone Quality Home products Inc.) Bari 8170 and Lima 8150 3.6 76 Non Catalytic
Jotul North America (Jotul U.S.A., Inc.) F55 3.50 76 Non Catalytic
J. A. Roby Polaris, Centauri, Vega, Sirius, Antares, and Rigel 1.4 76 Non Catalytic
Hearth and Home Technologies PelPro PP130 1.60 76 Pellet 0.2
Hearth and Home Technologies  Harman Accentra 52i-TC  1.1 76 Pellet 0.25
England's Stove Works, Inc. 55-SHPCB120, 55-TRPCB120 and 25-CB120 1.4 76 Pellet 0.27
Hearth and Home Technologies  Harman Accentra 52i 1.5 76 Pellet 0.3
APR Industries Ltd. Previa 1 76 Pellet
Ravelli SRL Roma (034-00-001A 0.74 76 Pellet
Blaze King Industries, Inc. Chinook /Sirocco/Ashford 30 0.97 75 Catalytic
Jotul North America (Jotul U.S.A., Inc.) F118 CB 3.50 75 Non Catalytic
Pacific Energy Fireplace Products Limited TN20 2.1 75 Non Catalytic
Pacific Energy Fireplace Products Limited Neo 1.6, NEO 1.6 Insert, Newcastle 1.6, NEOSTONE 1.6 3.4 75 Non Catalytic
Sherwood Industries, Ltd. Enviro 1700I, 1700 and Vista Flame 1700I, 1700, 1700 Venice (Kodiak, Boston, Cabello) 4.50 75 Non Catalytic
Hearth and Home Technologies. Harman Allure 50 1.5 75 Pellet 0.505
Hearth and Home Technologies Quadrafire Discovery II (3100 ACC Series, 31M-ACC Limited Edition) 1.10 74 Non Catalytic 1.5
Hearth and Home Technologies Discovery III, 4300ACC 1.10 74 Non Catalytic 1.6
Hearth and Home Technologies  Quadra Fire 57ST-ACC-C 1.8 74 Non Catalytic 2.5
Hearth and Home Technologies Quadra Fire Explorer I 2.2 74 Non Catalytic
Hearthstone Quality Home Heating Products Inc. Tribute 8040 3 74 Non Catalytic
Hearthstone Quality Home Heating Products Inc. Craftsbury 1 8391 3.1 74 Non Catalytic
Jotul North America (Jotul U.S.A., Inc.) F45 2.3 74 Non Catalytic
Jotul North America (Jotul U.S.A., Inc.) F500 3.20 74 Non Catalytic
Jotul North America (Jotul U.S.A., Inc.)  C350 4 74 Non Catalytic
Jotul North America (Jotul U.S.A., Inc.) Jotul F600 4.10 74 Non Catalytic
Pacific Energy Fireplace Products Limited Neo 2.5, Neo 2.5 Insert, and Newcastle 2.5 2.9 74 Non Catalytic
Travis Industries, Inc. Evergreen 3.6 74 Non Catalytic
United States Stove Company VG 150 2.8 74 Non Catalytic
Pacific Energy Fireplace Products Limited Neo 1.2 and NEOSTONE 1.2 2.9 74 Pellet
Travis Industries, Inc. 42 Apex  0.7 73 Catalytic
Pacific Energy Fireplace Products Limited True North TN20 and TN20 Insert Series B 1.6 73 Non Catalytic 0.77
Hearth and Home Technologies  QuadraFire 31M-ACC-C and QuadraFire Discovery-II-C 1.9 73 Non Catalytic 1.6
Hearth and Home Technologies Quadrafire 2700I 3.5 73 Non Catalytic 1.7
Boru Stove Company Carraig Mor BCMUS 3.90 73 Non Catalytic
Jotul North America (Jotul U.S.A., Inc.) F100 Nordic QT  3 73 Non Catalytic
Jotul North America (Jotul U.S.A., Inc.) F118 Black Bear 3 73 Non Catalytic
Jotul North America (Jotul U.S.A., Inc.) F3CBII 3.80 73 Non Catalytic
Jotul North America (Jotul U.S.A., Inc.) C450, Tamarack 4.4 73 Non Catalytic
Kuma Stove Inc. Wood Classic HT-2 3.3 73 Non Catalytic
Kuma Stove Inc. Scott HT-1 (Tamarack)  3.50 73 Non Catalytic
Kuma Stove Inc. Ashwood 3.5 73 Non Catalytic
Unforgetable Fire LLC Katydid 1.9 73 Non Catalytic
Hearth and Home Technologies  Harman P61a 1.7 73 Pellet 0.05
Hearth and Home Technologies  Harman P68 1.3 73 Pellet 0.1
Ningbo Hongsheng Fireplace Company (SMG Hearth and Home, LLC) HP22 ComfortBilt  1.9 73 Pellet 0.16
Pacific Energy Fireplace Products Limited True North 40 Insert  0.69 73 Pellet
American Energy Systems, Inc. (AES) Baby Country Side 1 73 Pellet
Hearth and Home Technologies  Quadrafire Adventure II 2.4 72 Non Catalytic 1.62
Hearth and Home Technologies Quadrafire 3100 I ACC 2 72 Non Catalytic 1.7
RAIS A/S Viva 100 L (CA) USA, Viva 100 L G (CA) USA, Viva 100 L Classic (CA) USA, Viva 100 L G Classic (CA) USA, Viva 120 L (CA) USA, Viva 120 L G (CA) USA, Viva 120 L Classic (CA) USA, Viva 120 L G Classic (CA) USA, Viva 160 L (CA) USA, Viva 160 L G (CA) USA, Viva 160 L Classic (CA) USA, Viva 160 L G Classic (CA) USA  1.1 72 Non Catalytic 1.9
Hase Kaminofenbau (Hearthstone Quality Home products Inc.) Tula 8190/8191 2.5 72 Non Catalytic
Hearthstone Quality Home Heating Products Inc. Tula 8190/8191 2.5 72 Non Catalytic
Hearthstone Quality Home Heating Products Inc. Castleton 8030 2.7 72 Non Catalytic
Hearthstone Quality Home Heating Products Inc. Equinox 8000 3.10 72 Non Catalytic
Hearthstone Quality Home Heating Products Inc. Clydesdale 8491 3.2 72 Non Catalytic
Hearthstone Quality Home Heating Products Inc. Morgan 8470 4.30 72 Non Catalytic
Jotul North America (Jotul U.S.A., Inc.) 50TL 2.8 72 Non Catalytic
Kuma Stove Inc. Aspen 4.10 72 Non Catalytic
Sherwood Industries, Ltd. Enviro 1200, 1200I, Vista Flame 1200, 1200I, 1200 Venice (Kodiak, Boston, Cabello) 3.40 72 Non Catalytic
United States Stove Company 5780, AP5780, VG5780, SP5780, and SP58  1.3 72 Pellet 0.21
Hearth and Home  Technologies Harman XXV-TC 1.7 72 Pellet 0.58
Pacific Energy Fireplace Products Limited True North TN40 1.4 72 Pellet
Blaze King Industries, Inc. Briarwood II/90 3.50 71 Non Catalytic
Hearthstone Quality Home Heating Products Inc. Manchester 2 8361 2.1 71 Non Catalytic
Hearthstone Quality Home Heating Products Inc. Manchester 8360 3 71 Non Catalytic
Jotul North America (Jotul U.S.A., Inc.) F602 CB 3.40 71 Non Catalytic
Jotul North America (Jotul U.S.A., Inc.) C550 CB 4.5 71 Non Catalytic
ARADA STOVES Ltd.  Farringdon 12  2.8 71 Non Catalytic
United States Stove Company AF700 and CF700M 0.4 71 Non Catalytic
Hearth and Home Technologies  Harman Accentra-2 0.62 71 Pellet 0.07
American Energy Systems, Inc. (AES) Little Rascal 1.1 71 Pellet
Hearth and Home Technologies  Mount Vernon AE Freestanding and Insert 1.7 71 Pellet
MF Fire Catalyst 1.9 70 Cat/hybrid 1.2
Foyers Supreme Incorporated STUV 1658IN, STUV 1658CUBE, STUV 1658H, STUV 1658-Z  1.5 70 Non Catalytic 1.6
Hearth and Home Technologies  Quadrafire Adventure III 2.9 70 Non Catalytic 2.65
England's Stove Works, Inc. 15-SSW02, 50-SHSSW02, and 50-TRSSW02  3.5 70 Non Catalytic
Hearthstone Quality Home Heating Products Inc. Shelburne 1 8371 2.10 70 Non Catalytic
Hearthstone Quality Home Heating Products Inc. Heritage 8023 2 70 Non Catalytic
Hearthstone Quality Home Heating Products Inc. Phoenix 8612 2.40 70 Non Catalytic
Foyers Supreme Incorporated 30-Compact, 30-H 2.8 70 Non Catalytic
Hearth and Home Technologies Harman P43 1.30 70 Pellet 0
Hearth and Home Technologies  Quadra Fire CB1200/Classic Bay 1200 1.10 70 Pellet 0
Hearth and Home Technologies  Harman P35i 1.5 70 Pellet 0
Stove Builder International Inc. Osburn 2500, 55 Series Eco-55 and Eco-55 ST 0.96 70 Pellet 0.13
Stove Builder International, Inc. Osburn 3000 and Cambridge 2.9 70 Pellet 0.68
Even Temp, Inc Prescott EXP and Prescott EXL  0.53 70 Pellet
Heat Tech Industries HTP 26 Bay, HTP26 Bay Pedestal/Insert 0.54 70 Pellet
Hearth and Home Technologies  Quadra Fire Explorer III 2 69 Non Catalytic
United States Stove Company 5710, AP5710, VG5710, 5501S, AP5501S and VG5501S 1 69 Pellet
Wiseway Pellet Stoves (United States Stove Company) GW1949 1.90 69 Pellet
Morso Jernstoberi A/S 3112B/3142B 1.9 68 Non Catalytic 0.93
Hearthstone Quality Home Heating Products Inc. Homestead 8570 1.90 68 Non Catalytic
Jotul North America (Jotul U.S.A., Inc.) Castine F400, F400 3.80 68 Non Catalytic
United States Stove Company 1269E 4.2 68 Non Catalytic
Foyers Supreme Incorporated Ambiance Elegance 36 24SF  1.8 67 Non Catalytic 1.7
Foyers Supreme Incorporated Fusion 18 18FN  1.9 67 Non Catalytic 1.8
OVO LLC Caldera 3.4 67 Non Catalytic 2
Foyers Supreme Incorporated STUV 1668IN, STUV 1668CUBE, STUV 1668H, STUV 1668-Z  2.3 67 Non Catalytic 2.6
Foyers Supreme Incorporated STUV 1678IN, STUV 1678CUBE, STUV 1678H, STUV 1678-Z  3.1 67 Non Catalytic 3.1
Hearthstone Quality Home Heating Products Inc. Heritage (8022) 2.70 67 Non Catalytic
Hearthstone Quality Home Heating Products Inc. Mansfield 2 8012 2.90 67 Non Catalytic
Pacific Energy Fireplace Products Limited FP25 3.5 67 Non Catalytic
United States Stove Company 2016E 3.7 67 Non Catalytic
Even Temp, Inc Eclipse-P  1.6 67 Pellet
Hearth and Home Technologies Harman Advance 1.8 67 Pellet
American Energy Systems, Inc. (AES) 3500P, 35001, and 3502 1 67 Pellet
RSF / ICC - Industrial Chimney Company Inc. Focus 320 SBR and Onyx SBR 1.4 66 Non Catalytic 1.5
Hearthstone Quality Home Heating Products Inc. Nestor Martin S43, SP43, H43, and C43  4.2 66 Non Catalytic 1.78
GHP Group WS-2720-B 4.50 66 Non Catalytic
Jotul North America (Jotul U.S.A., Inc.) F370 2.6 66 Non Catalytic
Hearth and Home Technologies  Harman XXV 1.8 66 Pellet 0.3
Even Temp, Inc Hastings  1.1 66 Pellet
Even Temp, Inc Ashby-P 1 66 Pellet
Heat Tech Industries HTP 26 Standard, HTP26 Standard Pedestal/Insert 0.77 66 Pellet
Pacific Energy Fireplace Products Limited FP16 3.10 65 Non Catalytic
J. A. Roby Cook, Cicero, Chief, Cuistot, Elda, and Marmiton  1.9 64 Non Catalytic 0.03
Hearthstone Quality Home Heating Products Inc. WFP100 1.6 64 Non Catalytic 2.6
Stove Builder International, Inc. HE350, FP-15-Waterloo, Horizon, and Monaco XL, WFP100 1.6 64 Non Catalytic 2.6
United States Stove Company 2469E  4.2 64 Non Catalytic
Foyer Supreme Incorporated Fusion FN 4.4 64 Non Catalytic
Wolf Steel Ltd. NZ3000H 3.3 63 Catalytic
Wittus Inc. Shaker 3.9 63 Non Catalytic 1.6
Sierra Products, Inc. EasyFire Pellet Stove, EF3801, EF5001, EF4001 0.82 63 Pellet 0.56
Even Temp, Inc Element-P 0.66 63 Pellet
United States Stove Company 5660E, AP5660, AP5660L, AP5660PE, and DNMP566  1.9 62 Pellet
RSF/ICC-Industrial Chimney Company. Delta Fusion 1.3 60 Non Catalytic
Thelin Company Inc. (Cardon Products) Thelin Gnome  1.2 59 Pellet 0.16
LMF Manufacturing, Ltd.  America's Heat B-100 1.7 58 Pellet
Sherwood Industries, Ltd. EF2, Chatham, Davenport and Kinderhook 1.8 58 Pellet

2 comments:

  1. Mr. Ackerly. If possible could you change my HP50 from HP5. Also my HP21 and HP61 should be labeled pellet. They are currently listed as non cat. Glenn Comfortbilt SMGHEARTHANDHOME

    ReplyDelete
  2. Glenn. Thanks. Just made those corrections. What's your email?

    ReplyDelete