Granite and marble heater by William Davenport
Heater by Dale Demary
Double Bell sytem heater by Alex Chernov – Limestone tile and natural stone
Custom Kachelofen by Jessica Steinhauser
Sandstone Heat Kit contraflow heater with white bake oven by John McDougall
Contraflow heater by Stan Homola
Contraflow heater with Southbay Quartzite, brick and soapstone by Stephen Bushway
Custom Tulikivi soapstone fireplace (Highlands) by Mid-Atlantic Masonry Heat
Tulikivi heater by Ron Pihl
Custom contraflow Kachelofen by Tom Trout
Double Bell heater by Carsten Homstead
contraflow heater by Brian Klipfel
Contraflow heater with clay plaster finish by Gimme Shelter
Small brick heater by Martin Palmer
Soapstone heater quarried and built by Jean-Francois Vachon / Les Pierres Steatites Inc.
Soapstone heater by Greenstone Heat
Contraflow heater by Max Edleson
Contraflow heater by Feuvert
Custom soapstone heater by Rod Zander
Tile heater by Biofire
Tulikivi heater by Gary Hart
Envirotech heater by Dan Givens, Cold Climate Housing Research Center, Fairbanks, Alaska
Tulikivi Custom heater by Alaska Masonry Heat
Brick Contraflow heater with heated benches and rear oven by Evan Moore
Sandstone heater by John Fisher
Brick heater with cookstove and bake oven by Albie Barden
Tile contraflow heater by Erik Nilsen
Heat-Kit heater by Norbert Senf
Limestone contraflow heater by Carl Oehme
Brick heater by Chris Springer
Green Mountain soapstone heater by Glenn Overk
Brick Contraflow heater by Richard Larsen
Bake Oven, Cafe Miranda, Maine, by Pat Manley
Brick Contraflow heater by the late Gene Hedin