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Fire   The E-zine for Heater Masons  --22nd year online !

Masonry Heater News

March 17, 2018

Top 10 Articles

Best Technical Articles and Discussions

View Older Articles

Disclaimer: Content of this e-zine is at the discretion of the Editor,
and does not imply endorsement by the MHA Board of Directors

Photo Story

List of Registered Attendees for 2018

Download 2018 MHA Meeting Events

Ecobox video

Masonry Stove Builders, daily house fire, 5:00 PM, March 16/18

Kuznetstov designed stove by Evgeny Zinoview

MHA tech committee member Crispin Pemberton-Pigott is engaged in a
clean burning coal stove program for Ulan Bator, funded by the World Bank.

MHA Presentation to Regulators at HPBA Expo, Nashville, March 6/18

Boris Kukolj is North American head of Tulikivi, and MHA Technical Committee member.
His presentation was well received and helped to inform regulators about the specifics of masonry heaters

Double Bell Plaster Heater by Carsten Homsted

New York Times

Check out MHA's new animated video explaining how masonry heaters work

Double Load

122 lbs total

Custom round Tulikivi

by Warmstone

Video tour through stove channels

ASSOCOSMA, Masonry Heater Association of Italy.

Double Bell video

By Igor Kiznetsov

Heated bench discussion

Modifications to the MHA Research Heater

Heat exchanger is reconfigured from parallel downdrafting to serial

Double Bell Design from the MHA Workshop/Portfolio

Report from Martin Ruzicka

MHA Lab progress report  18/01/17

Oregon's Woodstove Certification Program (1985)

The grand-daddy that started it all
Still amazingly relevant to understanding what is currently going on.

Heakit with front white oven

Nanaimo, British Columbia

Minimum chimney height 

Example is for a zero clearance fireplace with a n 18"h X 26"w opening

TLUD-Biochar Ecology

200 year old Anagama kiln, Okinawa

Image credit: Karl Fodor

MHA Lab progress report  17/11/23

Cookstove and Kachelofen with bench, one chimney

by Jessica Steinhauser

If you haven't ordered one of these yet, what's stopping you?

MHA will be at the 2018 Wood Stove Design Challenge

- testing the stoves
- demonstrating a masonry heater

Best Technical Articles and Discussions

check out the revamped page!

The beauty of Sketchup Layout

Outside Combustion Air Supply

Sketchup model by Masonry Stove Builders.

New batch rocket idea by Peter van den Berg

EPA Webinar, Nov 29. Registration Page

Kachelofen by Jessica Steinhauser

 New round Kachelofen, designed with daisy motif, clients' favourite flower and family crest. The rope pattern represents the location right next to the Atlantic on the east coast of north America.

Boilers and their Piping

by Igor Kuznetsov

New mobile friendly MHA website design is now online

Also check out MHA's recent emissions research

Beijing Style!

MHA Technical Committee member
Crispin Pemberton-Pigott  designed the stoves 
in this project.

PM reduction of "over 90%" is actually closer to 99% (!)

Chimney details (click for larger version)

Taken from the EXCEL Factory Built Chimney Installation and Maintenance Instructions

Kuznetsov stove in Poland

Household Stove Systems, their features and differences

by Igor Kuznetsov

Neighbors of famous Montreal bagel ovens file complaints about toxic wood burning fumes.

Marcus Flynn now has a mobile friendly website

MHA Fall Newsletter

Kuznetstov in Italy

Flat arch by Boreal Heat and Firespeaking

Adventures in Stove Testing

by Norbert Senf

Updated August 18, 2017

Locally made plastic refractories

by Crispin Pemberton-Pigtott
reporting from Ulaanbaatar, Mongolia

Household stove systems, their features and differences

by Igor Kuznetsov

Skip Barnett, inventor of the Condar

1996 Fireplace emissions testing seminar, OMNI-Test, Oregon
(Dale Hisler is third from the left (red shirt))

The story of the Frisch Rosin fireplace air system.

Link to 1992 article

Stacking the annual top down burn at Chris Prior's
NY Chimney Sweep Guild gathering.

Soapstone heater,  Kenai Wildlife Refuge, Kenai Alaska - posted by Richard Smith

Heater Testing at Wildacres 2017

Updated July 24/17

Firetube Workshop, Wildacres 2017

Small Contraflow at Wildacres 2017

With David Thomen and Dave Wilcox

John Ackerly's interview with Rod Tinnemore

Dale Hisler memorial
Dale Hisler memorial gathering

Norwich, VT. July 1, 2017

Article on hot mixed mortars

(Image links to Atlantic article. Full Nature article.

by Boreal Heat

Updated June 30/17

Attendee List for Wildacres 2017

Straight Talk

James E. Houck ( May 2017 Hearth and Home magazine)

Discussion on the MHA Technical Committe List

New Heatkit bottom end

Heater by Marcus Flynn

recycled old Montreal hard bricks

Carving clay

Viscous flow in ducts

Crispin  is a member of MHA's technical committee.

Using Layout with Sketchup Pro for custom assembly drawings

Norbert Senf

Pizza Oven by Stovemaster

The New Farm, Singhampton ON

Commercial Mobile Bread Oven

by Jon Santiago, Hearth + Timber

36" Sand Cast Refractory Oven

with Marty Pearson and Norbert Senf

Need a magnesium Rosin fireplace mold, vibrating table, etc, etc??

Wildacres Video

Awesome video by Chad and Jason Turpin

Wildacres Photo Report - People

Check back for full report on all the workshops
photo credit: Stefan Polatschek

MHA Auction Donor List

Overair Conversion

by Marcus Flynn

This client near Toronto has been heating his 3000 sq. ft. zero energy passive house with a masonry heater
 exclusively for for 10 years, using approximately 1.5 cords of wood per winter.

Tulikivi will have a presence there, as will MHA.
MHA is a member of BTEC, and BTEC will give you a member discount on
the registration fee.

AFPMA - Association Franšaise du Poŕle MašonnÚ Artisanal

The Masonry Heater Association of France

Wildacres 2017

WaWaBar and Karata

by Marcus Flynn

MHA Lab Progress

en route to Wildacres, Damien Lehmann from France visited the MHA lab to help finish the instrumentation setup.

Surface mount soldering of precison humidity sensors onto custom circuit boards

10 channel I2C high precision differential pressure sensor system

Report from Kyrgyzstan

by MHA Tech Committee member Crispin Pemberton-Pigott

Moskitia: Field Notes

by Marcus Flynn

Multifunctional Complex by Igor Kuznetsov

Agenda for Wildacres 2017

Design/Build Contest for Wildacres 2017

Manufactured heater test method exploratory testing, Hearth Lab Solutions, Randolph VT.

Left to right: Mark Champion, Boris Kukolj, Chris Prior, Norbert Senf, Jean-Francois Vachon
photo credit: Mark Seymour

R-Value Calculator from the Alberta Masonry Council

Manufactured Heater Test Method Development Testing at Hearth Lab Solutions, Randolph Vermont

This is the first time that the Condar portable dilution tunnel has been run with EPA Method 5-G on a masonry heater for a one-on-one comparison

Crispin Pemberton-Pigott is a member of the MHA Technical Committee
Check out his 2015 Ontario Stove Testing Camp

Presentations from the Albany NESCAUM Emissions Conference, Nov 30 -- Dec 1, 2016

MHA Projects Page Update (2016 projects added)

Dale Hisler

From: Ron Pihl <>
Date: Sat, Feb 4, 2017 at 8:17 PM

Dale Hisler (Hisler = Heat Maker in German) died yesterday. Sorry to send us such sad news.

by Firespeaking

by Firespeaking

Manufactured heater test method development

- manufactured heater fueling protocol development testing by EPA in co-operation with MHA.
- left to right: Mark Seymour, Boris Kukolj, Mark Champion, Chris Prior, Jean-Francois Vachon
- the testing was done at Mark Champion's lab in Randolph VT.
- Feb 2/17: preliminary results summary. Check back later for more details

Cordwood repeatability study, MHA lab

- Red oak cordwood,
- using proposed manufactured heater default fueling specification (under discussion)
- compare with white birch cordwood testing at Mark Champion's lab (above)

Stacked Heatkits by Alexandre Paquin, Lac Des Ecorces, Quebec

Open fireplace with oven by Igor Kuznetsov

Boilers. Via Facebook (Mihail Markin)

Time lapse video, top down burn - 60 lbs oak @16% moisture

MHA Research Heater

First tests of a proposed new cordwood testing protocol, using the MHA Research Heater 

Test results

Jan 10/17 Sensor locations specified by Daniel Lehmann for handbuilt heater
calculator development and verification testing. MHA research heater.

Download Sketchup model

Contraflow heater my Marcus Flynn

Wakefield Quebec, off grid house, 2005. Reclaimed bricks ca. 1900

Oven with open fireplace by Igor Kuznetsov

Click to download newsletter

Cool video of an Eco-labelled firebox burning 2x cleaner than a pellet stove

by Homestead Heat
this was the first eco-labelled (Austrian) firebox tested by MHA. 

Posted to Facebook by Karoly Borbely, Hungary

8" Damper by Marcus Flynn

Stacked heaters with tight chimney clearance, using 8" O.D. stainless flue liners.

Sketchup model by Masonry Stove Builders

by Firespeaking

Multifunction Stove/Fireplace/Oven/Smoker/Tandoor

by Igor Kuznetsov

Heater by Tony DaSilva

Connection for ICC 8" stainless flue liner

Sketchup model by Masonry Stove Builders

MHA Technical Committee Progress Report, Nov 15/16

Huge archive of technical information on wood gasification

page 1, page 2

French Oven Design Book

Community Oven by Red Clay Construction

Mount Allison University, Sackville, New Brunswick

Infrared Images of Double Bell heater

by Saulius Prabulis, Poland

Correspondence with the new Polish Masonry Heater Builders' Association

Heater by MHA member Kari Rale

36" x 36" Vaulted oven by Stovemaster Inc.

Toronto. Design by Stefan Polatschek.
Cedar trim hides low sloping roof with water pour-off at rear.

New product from Firespeaking

Mini steam boiler by Igor Kuznetsov

Outdoor cooking complex by Igor Kuznetsov

From left: oven, pizza oven, smoker, cooktop, boiler, heating complex

Bill Reiche, Mason

Pizza Oven with improved air system

by Igor Kuznetsov

Multi-function oven by Igor Kuznetsov

Construction Video

Multi-function oven with heat regulation by Igor Kuznetsov

Contraflow Heater by Marcus Flynn

Reused La Prairie bricks from the 1950s

Interview with Tom Marcantonio on CBC Radio

CAT Thermal Imaging Phone

Comparison of Furnaces

by Igor Kuznetsov

The Future of Biomass

Silicon Valley Innovation Institute
Find out why biochar producing stoves will become the next big thing.

Kon-Tiki - the democratization of biochar production

Homestead Heat AIA
American Institute of Architects Newsletter

49" x 63" Small Commercial Oven Core

3-D Construction Sequence in Sketchup (Masonry Stove Builders)

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