Lopez Labs
The biggest part of the library, by far, and probably always will be.
About Lopez Labs
Jerry Frisch with his clean burning Frisch Rosin masonry fireplace system (Norbert Senf on the ...
Tests
HK-G00 to HK-G08 - February 1st, 2006 to February 13th, 2006
Feb 01/06 - Preliminary Test This test was a dry run. The heater was not preheated. Test fue...
HK-G09 - February 16th, 2006
Test HK-G09 February 16/06 Cold heater Cold fuel Small load Test HK-G09 F...
HK-G10 - February 17th, 2006
Test HK-G10February 17/06 Unrestricted air (ashbox door open) Repeat of test G-07 / HK-G07 ...
HK-G11 - February 18th, 2006
Test HK-G11February 18/06 Restricted air (ashbox door closed, air control open) Large wood, l...
HK-G12 - February 19th, 2006
Test HK-G12February 19/06 Restricted air (ashbox door closed, air control open) Large wood, v...
HK-G13 - February 20th, 2006
Test HK-G13February 20/06 Side kindling - very low opacity burn with no spike. Small wood, me...
HK-G14 - February 21st, 2006
A repeat of the "side burn" from yesterday, except with a large load of large, cold wood.Again, n...
HK-G14 - Update from April 3rd, 2006
After the Feb 21 test, about 25 repeat burns were observed anecdotally in a heater with a similar...
HK-H01 - Unknown
Unfortunately, no records of what Test HK-H01 was, survive.
HK-H02 - February 16th, 2007
Notes Dry run, white birch. Left side ignition. Data to follow later [Editor's note: The dat...
HK-H03 - February 17th, 2007
Notes Large sized maple. 20% moisture 6 pieces, stacked 222. Left side ignition. Animated G...
HK-H04 - February 18th, 2007
Notes Medium sized maple. 20% moisture 8 pieces, stacked 2231. Left side ignition. Animated...
HK-H05 - February 19th, 2007
Notes Large sized maple. 19% moisture 7 pieces, stacked 2221 Grate open, ashbox door open f...
HK-H06 - February 20th, 2007
Notes Small sized maple 19% moisture 9 pieces, stacked 22221 Grate open, ashbox door close...
HK-H07 - February 21st, 2007
Notes Large sized maple 19% moisture 7 pieces, stacked 2221 Grate open, ashbox door closed....
HK-H08 - February 22nd, 2007
Notes Description to follow Animated Gif below, taken at 2 minute intervals. White Birch. ...
HK-H09 - February 25th, 2007
Notes Mixed. 19% moisture (estimated) 7 pieces, stacked 2221. Left side ignition. Cold heat...
HK-H10 - February 28th, 2007
Notes Mixed size maple. 19% moisture (estimated) 6 pieces, stacked 222. Left side ignition. ...
HK-H11 - March 1st, 2007
Notes Small maple. 19% moisture (estimated) 9 pieces, stacked 3221. Left side ignition. Cold...
HK-H12 - March 3rd, 2007
Notes Crib test. Top two layers are 4x4 spruce, 15% moisture, 4 pc per layer. See stacking pho...
HK-H13 - March 4th, 2007
Notes Crib test. Top two layers are 4x4 spruce, 18% moisture, 4 pc per layer. See stacking pho...
HK-H14 - March 5th, 2007
Notes Mixed size maple. 19% moisture (estimated). 60 lbs 7 pieces, stacked 2221. Left side i...
HK-H15 - March 6th, 2007
Notes Small maple. 19% moisture (estimated). 54 lbs 8 pieces, stacked 2231. Right side ignit...
HK-H16 - March 7th, 2007
Notes Very small maple - simulation of ASTM crib (see HK-H13) . 19% moisture (estimated). 39 l...
HK-H17 - March 8th, 2007
Notes Very small maple - simulation of ASTM crib (see HK-H13) . 19% moisture (estimated). 47.5...
HK-H18 - March 10th, 2007
Notes Large maple. Medium warm heater. 49lbs Previous fire: 36 hours. Grate air closed. Ashb...
HK-H19 - March 10th, 2007
Notes Large maple. Hot heater. 50lbs Previous fire: 10 hours. Grate air open. Ashbox door cl...
HK-H20 - March 11th, 2007
Notes Small to medium maple. Warm heater. 54.2 lbs Previous fire: 24 hours. Grate air open. ...
HK-I01 - October 10th, 2007
Notes First test of FGM (Free Gas Movement) series White birch, 20% moisture Cold heater, co...
HK-I02 - October 11th, 2007
Notes White birch, 20% moisture Previous fire: 24 hours. Repeat run of HK-I01, with warm he...
HK-I03 - October 12th, 2007
Notes White birch, 24% moisture Previous fire: 24 hours. Very large pieces, still with some ...
HK-I04 - October 13th, 2007
Notes White birch, 20% moisture Previous fire: 24 hours. Repeat with large fuel, except one...
HK-I05 - October 14th, 2007
Notes White birch, 20% moisture Previous fire: 20 hours. Medium to large wood, large load o...
HK-I06 - October 15th, 2007
Notes White birch, 20% moisture Previous fire: 24 hours. Small wood, 12 pieces. 2 lbs kindl...
HK-I07 - October 16th, 2007
Notes White birch, 20% moisture Previous fire: 24 hours. Medium wood, evenly sized, 8 piece...
HK-J01 - January 4th, 2008
Notes White birch, 20% moisture, 51 lbs. Cold heater, cold wood Medium wood, 8 pieces, 2.1 l...
HK-J02 - January 5th, 2008
Notes Mixed hardwood, 16% moisture, 61 lbs Previous fire: 24 hours Large wood, 8 pieces, 2.5...
HK-J03 - January 11th, 2008
Notes Highest piece count (cordwood) of 30 run series Small white birch, 20% moisture, 51 lbs...
HK-J04 - January 12th, 2008
Notes Hard maple, medium pieces, 16% moisture, 56.2 lbs 8 pieces, 3 lbs kindling C...
HK-J05 - January 13th, 2008
Notes Hard maple, medium pieces, 16% moisture, 52 lbs 8 pieces, 3.6 lbs kindling Cold fuel, ...
HK-J06 - January 14th, 2008
Notes White birch, medium pieces, 20% moisture, 62.1 lbs 10 pieces, 3.5 lbs kindling Cold fu...
HK-J07 - January 15th, 2008
Notes White birch, large pieces, 21% moisture, large load 79.1 lbs 8 pieces, 4.5 lbs kindling...
HK-J08 - January 16th, 2008
Notes Lowest PM number of 30 run series Hard maple, medium and large pieces, 16% moisture, la...
HK-J09 - January 21st, 2008
Notes White birch, large and small pieces, 20% moisture, medium load 48.7 lbs 9 pieces, 3.25 ...
HK-J10 - January 23rd, 2008
Notes Maple, large pieces, 16% moisture, large load 70 lb. 6 pieces, 2.5 lbs kindling Cold f...
HK-J11 - January 26th, 2008
Notes White birch, small pieces, 19% moisture, medium load 41 lbs 12 pieces, 1.8 lbs kindling...
HK-J12 - January 27th, 2008
Notes Highest PM number of 30 run series Highest Surface/Volume of 30 run series Lowest mois...
HK-J13 - January 28th, 2008
Notes ASTM fuel crib supplied by OMNI, 10% moisture 44.6 lbs 12 pieces, 2 lbs kindling Room ...
HK-J14 - January 29th, 2008
Notes Large and medium maple, 16% moisture, 65 lbs, 8 pieces, 5.5 lbs kindling Warm heater, ...
HK-J15 - January 30th, 2008
Notes Large and small maple, 16% moisture, 53 lbs, 9 pieces, 3.3 lbs kindling Warm...
HK-J16 - February 2nd, 2008
Notes Highest moisture of 30 run series Highest kindling weight of 30 run series Wet har...
HK-J17 - February 3rd, 2008
Notes Mixed hardwood, 21% moisture, 64 lbs 8 pieces, 3.2 lbs kindling Warm heater, warm fuel...
HK-J18 - February 4th, 2008
Notes White birch, 19% moisture, 55 lbs 13 pieces, 1.5 lbs kindling Warm heater, warm fuel, ...
HK-J19 - February 6th, 2008
Notes Maple, 17% moisture, 55 lbs Large and small mixed, 8 pieces, 1.5 lbs kindling ...
HK-J20 - February 11th, 2008
Notes Maple, 17% moisture, 58 lbs Large pieces, 8 pieces, 4.2 lbs kindling Cold heater (50F ...
HK-J21 - February 13th, 2008
Notes White birch, 20% moisture, 65 lbs Large pieces, 8 pieces, 3.5 lbs kindling Cold heater...
HK-J22 - February 14th, 2008
Notes White birch, 20% moisture, 59.3 lbs Large and small pieces, 10 pieces, 3.0 lbs ki...
HK-J23 - February 15th, 2008
Notes Lowest CO of 30 run series White birch, 20% moisture, 70.5 lbs Very large pieces, smal...
HK-J24 - February 16th, 2008
Notes White birch, 20% moisture, 61.3 lbs Large pieces, smaller on top, 8 pieces Stack slope...
HK-J25 - February 17th, 2008
Notes Maple, 17% moisture, 69.6 lbs Large pieces, smaller on top, 8 pieces Stack sloped towa...
HK-J26 - February 18th, 2008
Notes Maple, 17% moisture, 68.5 lbs Medium pieces, all round pieces, smaller on top, 10 piece...
HK-J27 - February 20th, 2008
Notes Lowest instantaneous CO/CO2 ratio of 30 run series White birch, 20% moisture, 70.0 lbs ...
HK-J28 - February 21st, 2008
Notes Highest CO of 30 run series Maple, 16% moisture, 50.3 lbs Small pieces, smaller on...
HK-J29 - February 22nd, 2008
Notes Lowest surface/volume (largest pieces) of 30 run series Mixed hardwood, 18% moisture, 7...
HK-J30 - February 23rd, 2008
Notes This is the last run in the HK-J series. Largest fuel load of 30 run series. Maple, 18...
Data Analysis, HK-J series, 30 Condar runs
HK-K01 - January 8th, 2009
Notes This is the first run in the HK-K series. Cold heater, warmup run. Aim is to run a set ...
HK-K02 - January 9th, 2009
Notes Warm heater. Surface temperatures are being tracked for damper comparisons, and data w...
HK-K03 - January 10th, 2009
Notes Warm heater. Surface temperatures are being tracked for damper comparisons, and data wil...
HK-K04 - January 11th, 2009
Notes Warm heater. Surface temperatures are being tracked for damper comparisons, and data wil...
HK-K05 - January 12th, 2009
Notes Warm heater. Surface temperatures are being tracked for damper comparisons, and data wil...
HK-K06 - January 13th, 2009
Notes Warm heater. Surface temperatures are being tracked for damper comparisons, and data wil...
HK-K07 - January 14th, 2009
Notes Warm heater. Surface temperatures are being tracked for damper comparisons, and data wil...
HK-K08 - January 15th, 2009
Notes Warm heater. Surface temperatures are being tracked for damper comparisons, and data wil...
HK-K09 - January 16th, 2009
Notes Warm heater. Surface temperatures are being tracked for damper comparisons, and data wil...
HK-K10 - January 17th, 2009
Notes Warm heater. Surface temperatures are being tracked for damper comparisons, and data wil...
HK-K11 - January 18th, 2009
Notes Warm heater. Air closed at 112 minutes. Damper left open. Very staged burn, with even...
HK-K12 - January 19th, 2009
Notes Warm heater Air closed at 115 minutes. Damper cut back. Closed at 275 minutes. Somewha...
HK-K13 - February 2nd, 2009
Notes Cold heater White Birch, 20% moisture 6 pieces, 4.5 lbs kindling, 63.0 lbs t...
HK-K14 - February 3rd, 2009
Notes Warm heater White Birch, 20% moisture 6 pieces, 4.5 lbs kindling, 62.3 lbs total Two ...
HK-K15 - February 4th, 2009
Notes Warm heater White Birch, 20% moisture 8 pieces, 4.5 lbs kindling, 60.6 lbs total Smal...
HK-K16 - February 5th, 2009
Notes Warm heater White Birch, 20% moisture 9 pieces, 4.5 lbs kindling, 63.6 lbs total Smal...
HK-K17 - February 6th, 2009
Notes Cool heater - damper and ashbox door had been left open from yesterday's burn White Bir...
Test Series
2006 - 2007 Heater Testing at Shawville
Introduction As part of the 2004 Heat Kit shop addition, we built a calorimeter room by insulati...
Free Gas Movement (FGM) Tests at Shawville - 2007
Introduction For a description of the current test heater setup in our lab, see 2006 - 2007 Heat...
Calibration of 4 Condar portable dilution tunnels at Cold Climate Housing Research Center (CCHRC) in Alaska - October 21st-31st, 2007
Photo credits: Dave Misiuk, Norbert Senf Resources Test Results: Condar-AK-Fa-workbook-2.xls ...
Condar Dilution Tunnel Testing - 2008
Introduction For a description of the current test heater setup in our lab, see 2006 - 2007 Heat...
Condar Technical Information
Resources The story behind the Condar: OMNIcourse-2.pdf Condar manual: condar-3.PDF 2005 New...
2009 Heater Tests at Shawville
Objectives Assess the feasibility of eliminating the sliding chimney damper by adding a cold a...
WoodSim and other software
A whole house simulator that includes woodburning combustion devices, written for the Research Di...
Build chimneys on your desktop - FlueSim
This amazing software was developed by the Research Division of Canada Mortgage and Housing Corpo...
Simulate a wood-burning fireplace or stove in a whole house system - WoodSim
This program is built on Fluesim, above. It can simulate the interaction of a house and a woodbur...
Simulate a whole house and local climate (SOLAR 5.7)
Written at UCLA, this sophisticated program allows you to model the energy performance of a house...
Calculate a standardized fuel crib
The screenshot is a fuel crib calculator developed by OMNI-Test Software: Masonry_Heater_Shape...
EVERYTHING BELOW THIS LINE MAY BE MOVED OR REORGANIZED IN THE FUTURE
Repeatability of Cordwood Combustion Particulate Measurements
PowerPoint: Condar.pptx PDF: Condar.pdf
Data Analysis - 185 Masonry Heater Tests from 2006 - 2019
Download the PDF: Data Summary190225-2.pdf Excerpts: Here's another run at a summary based on t...
January 2023 Heater Calculator update by Damien Lehmann, AFPMA
2018 Next Generation Woodstove Design Challenge
(Photo credit: Jim Schalles) The MHA Tech Committee organized a 5 person testing team to s...
Heater Calculator update by Damien Lehmann, AFPMA
Repeatability of Cordwood Combustion Particulate Measurements
PowerPoint: Repeatability of Cordwood Combustion Particulate Measurements.pptx PDF: Repeatabilit...
Testing an OekoSolve Electrostatic Precipitator at the 2018 Stove Design Challenge
Pellet stove emissions comparison testing with EPA Method 5G
Photos by Norbert Senf As part of the Pellet Stove Design Challenge, we are asking "how repeatab...
Austrian Eco Firebox Testing
Background The heater in the lab has a replaceable firebox liner. The standard liner of firebr...
2018 MHA Research Heater Tests - "Substantially Similar" Study
Heater Comparison Testing at Ortner Company in Austria
URL: http://stovemaster.com/html_en/testing_at_ortner_gmbH_2014.html Backup PDF: STOVEMASTER - T...
Powerpoint: Repeatability of Wood Combustion Particulate Measurements
Data summary for 87 runs (2008 - 2010)
PDF: 2010 testing summary3.pdf
Heater Field Testing Workshop at 2017 MHA Meeting
Manufactured Heater Test Method Exploratory Testing
2017 MHA Research Heater Tests - Cordwood Repeatability
Decombustion Theory
Experimental Heater Testing Workshop, Wildacres 2016
2016 MHA Research Heater Tests
Research Heater build and instrumentation
Calibration of Heater Simulation Software for Potential EPA Certification
Condar Correlation Study against EPA Method 5G
2015 Ontario Stove Testing Camp
Eco Firebox Testing in France
Heater Comparison Testing at Ortner Company in Austria
Next Generation Woodstove Design Challenge at Brookhaven National Laboratory
Toronto Fireplace Retrofit Project
2014 Test Series
Field Testing the Norcore 5 run heater at Wildacres
Austrian Eco-firebox testing at Masonry Stove Builders
Fuel crib repeatability testing
Condar comparison testing at OMNI-Test
Condar comparison testing at Brookhaven National Laboratory
Wood Stove Decathlon 2013
2010 Test Series
Bell Experiments with a Contraflow Heater
Lopez Labs Conference 2010
Evaluating a Testo 308 Digital Smoke Spot Meter
Bell Construction and Testing Workshop
Rocket-Bell Experiments
Alaska Fireplace Retrofit Project
Condar dilution tunnel particulates data summary (2008-9, 67 runs)
2009 Test Series
Experimental Masonry Hydronic Heating Workshop
Masonry Heater Emissions Testing at Shawville, 2008
Burning Pellets in a Masonry Heater
Comparison of 4 Condar portable dilution tunnels - Fairbanks, Alaska, 2007
Free Gas Movement - Shawville 2007
2006 - 2007 Contraflow Tests at Shawville
Technical Assessment of Hi-mass Masonry Heaters and Integrated Water Loop
Bell heater testing - Alex Chernov, 2007
Bell heater testing - Wildacres 2006
Bell heater testing - Toronto 2006
Fuel Crib Testing, February, 2005
Crib Testing at Lopez Lab Co-Operative 2008-2014 - all test runs
Clearance to Combustibles Testing, MHA Annual Meeting, 2001
Clearance to Combustibles Testing, Shawville, April, 2000
1997 Heater Combustion Tests
Low Emissions Residential Cordwood Combustion in High Mass Appliances - Recent Research and Results
A Comparison of Fireplace Emissions Testing Methods
Very Low Emissions Cordwood Combustion in High Burn Rate Appliances - Early Results with Possible Implications
Air Requirements and Related Parameters for Masonry Heating Systems
Summary of 101 Masonry Heater Emissions Tests
NYSERDA Biomass Heating R&D Program Case Studies
Masonry Heater White Paper
MHA Position Paper
Short Course on Masonry Fireplace and Masonry Heater Emissions Testing Method and Combustion Design
Short Course on Masonry Heating Systems
Review - particulate emissions from wood burners in New Zealand
An Investigation of the Variability of Particulate Emissions from Woodstoves in New Zealand
Emission Factors for New Certified Residential Wood Heaters
Residential Wood Combustion Technology Review
Residential Wood Combustion Technology Review - Volume 2. Appendices
Emission Factors for New Certified Residential Wood Heaters
Review of Wood Heater and Fireplace Emission Factors
Verification of Emission Factors for U.S. EPA Certified Wood Heaters
Design and Operating Factors Which Affect Emissions from Residential Wood-Fired Heaters: Review and Update
Introduction
Residential wood-fired heaters (RWH) have long been known to be significant polluters, especially...
Background
Wood-fuel combustion in a RWH involves complex chemical processes which include the pyrolysis and...
Reporting units for RWH emissions
One significant difficulty which emerged early in the efforts to develop RWH emissions control an...
Analysis of Cordwood-Burning RWH Emissions Dynamics
Figure 1 is a generalized illustration showing how particulate and carbon monoxide emission facto...
Secondary Combustion
Over the last 10 years, low-emission non-catalytic RWH appliances have been developed which exhib...
Firebox/ Fuel load size
The capacity of a woodstove to hold fuel is determined by the size, or usable volume, of the prim...
Controlled Air Supply and Fuel Feed Rates
Efficient combustion is difficult to accomplish in traditional RWHs especially at low burn rates ...
Conclusions
The combustion of wood in Residential Woodfired Heaters (RWHs) involves highly complex chemical p...
References
Residential Solid Fuels, Environmental Impacts and Solutions, J.A. Cooper and D. Malek, Oregon ...
Discussion Regarding Reporting Units for Emissions from Residential Cord-wood Burning Space-heating Appliances
Oregon's Woodstove Certification Program (1985)
Woodstove Emission Measurement Methods: Comparison and Eimission Factors Update
Summary Report of the In Home Emissions and Efficiency Performance of Five Commercially Available Masonry Heaters
Field Performance of Woodburning Stoves in Crested Butte, Colorado
Defining Masonry Heaters - A Discussion Paper
Colorado Regulation No. 4
EPA Method 5G
R-2000 Makeup Air Guidelines
Investigation of Negative Pressure Test Protocols for Wood- and Pellet-Burning Appliances
Fireplace Air Requirements
Modifications and Refinement of the Computer Model "Wood Burning Simulator"
The Dynamics of Domestic Open Fires
The Flow of Gases in Furnaces (1923)
Recent Laboratory and Field Testing of Masonry Heater and Masonry Fireplace Emissions
The Hearth as an Element of the Sustainable House - A Comparison of Emission Test Methods for New Clean Burning Wood Fired Masonry Fireplaces
Low Emisson and High Efficiency Residential Pellet-Fired Heaters
Design, Construction and Performance of Stick-Wood Fired Furnace
Flue Gas Emissions in Wood Burning Stoves
Determination of Condensible Particulate Woodstove Emission Factors Using Condar's Emissions Sampler
Calibration of 4 Condar Portable Dilution Tunnels
Canterbury method 1 for testing of ultra-low emission wood heaters
Environment Canterbury, New Zealand, 2015 PDF: NZ Canterbury method uleb-appendix-1.pdf
Real-life Emissions Testing of Pellet Burners in Tokoroa
Ministry of the Environment, New Zealand, 2007 PDF: emissions-testing-pellet-burners-tokoroa-jun...
Real-life Emissions Testing of Wood Burners in Tokoroa
Ministry of the Environment, New Zealand, 2007 PDF: emissions-testing-wood-burners-tokoroa-jun07...
Real Life Emissions Testing of Pre 1994 Woodburners in New Zealand
Environment Waikato, New Zealand, 2006 PDF: tr0605.pdf
Real-life emissions from residential wood burning appliances in New Zealand
A.J. Scott, Environment Canterbury, 2005 PDF: air-report-emissions-residential-wood-burning-appl...
Fireplaces: Studies in Contrasts
Reproduced from a now-dead copy on HearthNet Editors Note [from HearthNet]: The following articl...
Strawbale Moisture Sensor Study
Archived for Canada Mortgage and Housing Corporation, Division of Building Research
1993-1995 Seattle Testing: "Very Low Emissions Cordwood Combustion in High Burn Rate Appliances - Early Results with Possible Implications"
Ancient PDF Download: p-awma2-2.PDF
High Performance Masonry Heating
Stephen BushwayDeer Hill Masonry Heat224 West StreetCummington, MA 01026-9643413.634.0029 (Th...
Woodburning, forestry and global warming
This paper was written for the 1993 Air and Waste Management Association annual conference by Dr....