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Current Research
Lopez Labs Archive
Jerry Frisch with
his clean burning Frisch Rosin masonry fireplace system (Norbert Senf
on the left,, holding "2 min." sign) (1994)
Lopez Labs was
started at the Everett WA shop of Lopez Quarries/Masonry Heaters.
-
Between
1992 and 1995 we tested a variety of masonry heaters for several weeks
every spring.
- We currently maintain the largest masonry heater
performance database in North America.
- Lopez participated with two EPA
accredited labs in a simultaneous field test series of masonry
fireplaces at McNear Brick in California in 1995.
- In 2004 we opened a test facility at Masonry Stove Builders.
In 2015 this was expanded
and became the MHA Research Laboratory
- OMNI did
comparison onsite testing at Lopez Everett in 2011.
- Two MHA members
visited Brookhaven National Laboratory in 2014 to participate in
particulate sampling comparison testing using the Condar portable
dilution tunnel.
- In
January 2017, we participated with US-EPA in
sponsoring testing at Hearth Lab Solutions LLC in Randolph, Vermont to
help develop a fueling protocol to allow
certification testing of manufactured masonry heaters. This was the
first time that the Condar portable dilution tunnel has run
simultaneously with EPA
Method 5-G on a masonry heater.
A number of papers have been published describing the
research at Lopez Labs. These are available at Lopez
Labs Archive
Current
Research
2016 -- 2019 MHA Research Heater Tests 2006 -- 2016 Heatkit Tests January 2023 Heater Calculator update by Damien Lehmann, AFPMA Heater Calculator update by Damien Lehmann, AFPMA Testing an OekoSolve Electrostatic Precipitator at the 2018 Stove Design Challenge 2018 Next Generation Stove Design Challenge 2018 MHA Research Heater Tests - "Substantially Similar" Study Powerpoint: Repeatability of Wood Combustion Particulate Measurements 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
MHA
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
Video of Condar testing, February 4, 2014
Recent Research
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 - January - February, 2010
Bell Experiments with
a Contraflow Heater - March 2010
Masonry
Heater Fuel Crib Repeatability Testing
Lopez
Labs Conference - January 4 - 7, 2010
Evaluating a Testo 308
Digital Smoke Spot Meter - November 2009
Bell Construction and
Testing Workshop - October 2009
Rocket-Bell
Experiments - July 2009
Alaska
Fireplace Retrofit Project - updated July 10/09
Condar
dilution tunnel particulates data summary (2008-9, 67 runs)
2009 Test Series
Test
Results
Graphical
Data Summary
Damper
tests
Experimental Masonry
Hydronic Heating Workshop - updated Dec 18/09
Masonry Heater
Emissions Testing at Shawville, 2008
Test
Results
Data
analysis
Correlation
between Condar PM number and Opacity Curve
Graphical
data summary
Burning Pellets in a
Masonry Heater - updated Jan 30/09
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
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
Norbert Senf
presented at Combustion Canada ’96 Conference,
Ottawa, June 5 - 7, 1996
A Comparison
of Fireplace Emissions Testing Methods
Norbert Senf
3 test methods were run simultaneously on open masonry fireplaces at
McNear Brick in 1995.
(20 pages, 80Kb PDF file)
Very
Low Emissions Cordwood Combustion in High Burn Rate Appliances - Early
Results with Possible Implications
Norbert Senf
presented at the 88th Annual Meeting of the Air and Waste Management
Association, San Antonio, 1995.
Air
Requirements and Related Parameters for Masonry Heating Systems
Norbert Senf
prepared for The Research Division, Canada Mortgage and Housing
Corporation, Ottawa, (1994)
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