{"product_id":"diy-how-to-make-cheap-air-conditioning-earth-tubes-do-it-yourself-homemade-air-conditioner-non-electric-sustainable-des-9781523260102","title":"DIY: How to Make Cheap Air Conditioning Earth Tubes: Do It Yourself Homemade Air Conditioner - Non-Electric Sustainable Des","description":"\u003cp\u003e Earth tubes (earthtubes, or earth-air tubes) are underground tubes that use geothermal energy to cool or heat temper the air for your home. It works like cheap air conditioning because you can build it yourself for several hundred dollars and it is FREE to run (no electricity needed). Being completely passive, this is a sustainable technology based on designs that are 3,000 years old and still used today around the world to cool homes.\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eTABLE OF CONTENTS\u003c\/strong\u003e (chapters, sections, page numbers): \u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eIntroduction\u003c\/strong\u003e 15;\u003c\/p\u003e\u003cp\u003e Who Invented Air Conditioning? 15;\u003c\/p\u003e\u003cp\u003e How Earth Tubes Work Like an Air Conditioner 18;\u003c\/p\u003e\u003cp\u003e The Cost of Earth Tubes vs Air Conditioning 19;\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eBackground and History of Earth Tubes\u003c\/strong\u003e 23;\u003c\/p\u003e\u003cp\u003e How I Learned About Earth Tubes 23;\u003c\/p\u003e\u003cp\u003e Qanats - 3,000 Year Old \"Earth Tubes\" 24;\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eEffective Use of Earthtubes\u003c\/strong\u003e 34;\u003c\/p\u003e\u003cp\u003e How Earthtubes Work 34;\u003c\/p\u003e\u003cp\u003e Convection Brings Cooler Air Inside the House 36;\u003c\/p\u003e\u003cp\u003e Evaporation and Condensation 38;\u003c\/p\u003e\u003cp\u003e Best Material for Earthtubes 41;\u003c\/p\u003e\u003cp\u003e Interior Thermal Mass Enhances Earthtubes 43;\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eHow Many Earthtubes Do I Need?\u003c\/strong\u003e 48;\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eMaking the Earthtubes\u003c\/strong\u003e 55;\u003c\/p\u003e\u003cp\u003e Parts Needed to Make One Earthtube: 57;\u003c\/p\u003e\u003cp\u003e Tools Needed 57;\u003c\/p\u003e\u003cp\u003e Earth Tube Checklist 59;\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eTrenches\u003c\/strong\u003e 63;\u003c\/p\u003e\u003cp\u003e Possible Limitations to Digging Trenches 66;\u003c\/p\u003e\u003cp\u003e Placement of Trenches 68;\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eLaying the Earthtubes\u003c\/strong\u003e 73;\u003c\/p\u003e\u003cp\u003e Dealing with Elbows 74;\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eEarthtubes - Outside and Inside\u003c\/strong\u003e 80;\u003c\/p\u003e\u003cp\u003e OUTSIDE: Protecting Earth Tubes 80;\u003c\/p\u003e\u003cp\u003e INSIDE: Floor Registers and Side Vents 84;\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eHow to Make Earth Tubes Work\u003c\/strong\u003e 93;\u003c\/p\u003e\u003cp\u003e Ready Your Earth Tubes for Use 93;\u003c\/p\u003e\u003cp\u003e Treating Earth Tubes Problems with Ozone 94;\u003c\/p\u003e\u003cp\u003e Summer Use (Air Conditioning) 97;\u003c\/p\u003e\u003cp\u003e Slow vs Forced Air Flow 103;\u003c\/p\u003e\u003cp\u003e Weatherizing for Fall\/Winter 105;\u003c\/p\u003e\u003cp\u003e Winter Use (Heat Tempering) 108;\u003c\/p\u003e\u003cp\u003e A Lesson on Air Quality 114;\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eAdding Earthtubes to an Existing House\u003c\/strong\u003e 121;\u003c\/p\u003e\u003cp\u003e If you have a Large Front or Backyard 121;\u003c\/p\u003e\u003cp\u003e Attaching Earth Tubes from Outside 125;\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eSupplemental Uses and Related Ideas\u003c\/strong\u003e 130;\u003c\/p\u003e\u003cp\u003e Using Earthtubes for a Pantry\/Storm Shelter 131;\u003c\/p\u003e\u003cp\u003e Spiral Earth Tubes for Tight Spaces 133;\u003c\/p\u003e\u003cp\u003e Spiral Tube Water Catchment 134;\u003c\/p\u003e\u003cp\u003e Earth Bermed \u0026amp; Earth Sheltered Homes 135;\u003c\/p\u003e\u003cp\u003e Cave houses \u0026amp; Rock Homes 138;\u003c\/p\u003e\u003cp\u003e Roofs of Earth, Water, \u0026amp; Air 141;\u003c\/p\u003e\u003cp\u003e Key Principles on Energy Efficiency 143;\u003c\/p\u003e\u003cp\u003e Trees and Shrubs 146;\u003c\/p\u003e\u003cp\u003e Chimneys for Ventilation Draw 147;\u003c\/p\u003e\u003cp\u003e Solar Chimneys 149;\u003c\/p\u003e\u003cp\u003e Cooling Tower 153;\u003c\/p\u003e\u003cp\u003e Earth Lodge \u0026amp; Weathervane Venting 155;\u003c\/p\u003e\u003cp\u003e Other Designs 161;\u003c\/p\u003e\u003cp\u003e Bill Traub Witnessed These Earth Tubes 161;\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eIndoor Air Quality\u003c\/strong\u003e 165;\u003c\/p\u003e\u003cp\u003e Example of Bad Air Quality from Earth Tubes 174;\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eCalculations for Earth Tubes\u003c\/strong\u003e 179;\u003c\/p\u003e\u003cp\u003e Q\u0026amp;A for the Tubes 180;\u003c\/p\u003e\u003cp\u003e On the Subject of Earth Tubes 180;\u003c\/p\u003e\u003cp\u003e Olan Volan's Earth Tube Calculations 181;\u003c\/p\u003e\u003cp\u003e Tube Diameter 181;\u003c\/p\u003e\u003cp\u003e Tube Depth 181;\u003c\/p\u003e\u003cp\u003e Distance Between Tubes 181;\u003c\/p\u003e\u003cp\u003e Simple Math Calculations 182;\u003c\/p\u003e\u003cp\u003e Air Transfer 183;\u003c\/p\u003e\u003cp\u003e Pressure Differences 184;\u003c\/p\u003e\u003cp\u003e Some Notes on the Calculations of Tubes 184;\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eEarth Tubes Q\u0026amp;A\u003c\/strong\u003e 186;\u003c\/p\u003e\u003cbr\u003e","brand":"Createspace Independent Publishing Platform","offers":[{"title":"Default Title","offer_id":50504890024210,"sku":"9781523260102","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_79f57393-a9e4-43ee-b95e-02d3275ca9a7.jpg?v=1744212634","url":"https:\/\/surprise-castle.myshopify.com\/products\/diy-how-to-make-cheap-air-conditioning-earth-tubes-do-it-yourself-homemade-air-conditioner-non-electric-sustainable-des-9781523260102","provider":"Surprise Castle","version":"1.0","type":"link"}