1. Heating and Cooling

2. Geothermal heating and cooling

3. Horizontal Loops

4. Vertical Loop System

5. Pond/Lake Loop System

6. Open Loop System Open Loop installations actually pump water from an underground aquifer through the geothermal unit and then discharge that water to a drainage ditch or pond. Discharging water to a pond or lake is considered ideal

8. Wood

10. Outdoor wood furnaces

12. Pellet Stoves

13. many stoves can use multifuel pellets Corn Cherry pits Grass pellets Etc…

14. Passive Solar Heat

22. Solar Hogans

23. Best Areas for Passive Solar

24. Characteristics of a Passive Solar House Most of its windows are facing the south Interior surfaces that the light strikes are high density materials, such as concrete, brick, stone, or adobe. Passive solar homes tend to be well insulated Passive solar homes often have "open floor plans" auxiliary heat requirements are greatly reduced

28. Propane and Natural Gas Heating Stoves

30. Waste oil / Vegetable oil heaters

31. Homemade waste oil heater