Rising Interest
Strong Revenue Potential
Universal Appeal
Creative
DIY Solar Panel Installations
Homemade Wind Turbines
Energy-Efficient Lighting Solutions
DIY Insulation Techniques
Rainwater Harvesting Systems
Energy-Saving Smart Home Devices
DIY Thermal Curtains
Recycled Material Greenhouses
Low-tech Cooling Systems
Bicycle-Powered Appliances
Solar-Powered Garden Lights
Upcycled Furniture for Energy Conservation
DIY Draft Stoppers
Energy Monitoring Systems
Water Flow Restrictors
Hand-Cranked Charging Devices
DIY Solar Cookers
Home Energy Efficiency Audits
DIY Reflective Window Films
Energy-Efficient Appliance Upgrades
