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The Lorena Stove

Learn about the innovative Lorena Stove, made from adobe and using inexpensive materials. Discover its impact on health, fuel efficiency, and environmental conservation. Follow step-by-step instructions on constructing and using this life-saving kitchen appliance in different communities. Experience the positive effects on reducing respiratory diseases and improving air quality. Join the mission of saving lives, one stove at a time.

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The Lorena Stove

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  1. The Lorena Stove Saving the World One Person at a Time

  2. What is a Lorena Stove? • Stove to replace open fires • Constructed of adobe (mud, straw, water) • Inexpensive raw materials • Adobe • Large plastic bucket • Empty coffee can, empty soup cans • Pipe for chimney Cooking on an open fire in a hut The Lorena Stove

  3. Effectiveness of Lorena Stoves • Chart shows infant deaths in Peruvian village • Drop after 1998 when Lorena Stoves were installed • Cases of respiratory disease not available The Lorena Stove

  4. Why Lorena Stoves? • Decrease common diseases from smoke • Respiratory infections • Eye infections • Asthma • Increase fuel efficiency • Save work in cutting and gathering wood • Save trees in and around village Peruvian boy who has suffered from respiratory infections The Lorena Stove

  5. smoke How Do They Work? • Wood or grass placed in fuel chamber • Fuel ignited • Pot or pan placed on opening on top • Cool air enters through fuel chamber • Smoke exits through chimney Chimney pipe Pipe exits roof Opening for pot or pan Adobe Stove Fuel chamber The Lorena Stove

  6. Selecting the Location Chimney Opening for pan • Build Lorena stove in corner of hut farthest from front door • Choose wall so that fuel chamber is on right or left, depending on handedness of cook Lorena stove Door Walls of hut The Lorena Stove

  7. Constructing the Stove: Making Adobe • Select mud with a moderate amount of clay ► Excessive clay causes stove to crack when heated ► Insufficient clay causes stove to collapse • Mix with water • Add straw Mixing mud and water Mixing in straw The Lorena Stove

  8. Constructing the Stove: Preparing the Frame Fuel chamber • Place a large plastic bucket in wooden form for fuel chamber • Place empty coffee can for heat chamber • Place chimney pipe • Place pipe between all three items Chimney pipe Heat chamber Wooden form The Lorena Stove

  9. Constructing the Stove: Filling Frame with Adobe • Join 3 chambers with pipes or small cans • Add adobe around buckets, cans, and pipes • Prop sides of form to prevent collapse • Allow 48 to 72 hours to dry Adding adobe to frame The Lorena Stove

  10. Constructing the Stove: Adding a Finish • After adobe dries, remove wooden frame • Remove plastic bucket (other cans and pipes stay in stove) • Apply wet adobe to outer surface; rub until smooth Photo of completed stove in woman’s hut The Lorena Stove

  11. Final Notes • Work under direction of villagers • Train villagers to build stoves • Train villagers to cook on stove • Villagers like stoves for their fuel economy • Lorena stoves save lives The Lorena Stove

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