| ★ |  DIY Candle Powered Desk Fan! (using a strip of copper and a brick) tealight powered 3-speed easy DIY | | 317 | Estados Unidos | |
| 18 |  DIY Fireplace Transformation - Built-Ins, Mantle, and LED Lighting | | 15.7K | Estados Unidos | 89 |
| 15 |  DIY Two-Stage "5 Gallon Bucket Air Cooler!" w/radiator and variable speed fan! strongest cooling! AC | | 10.7K | Estados Unidos | 90 |
| 13 |  DIY 12V Air Cooler! very cold air! 20w (AC or DC) - Radiator w/Stand + Hi-Speed.Fan! modular design! | | 10.1K | Estados Unidos | 90 |
| 7 |  DIY Sand Battery for Air Heating at home! *with "Copper Heatsinks! & Clay Pot Option w/heat pwr fan! | | 8.2K | Estados Unidos | 91 |
| 8 |  DIY Air Cooler! "Table Fan" Air Cooler (conv.) *w/radiator 3-spd - very quiet drops temp 20 degrees! | | 4.0K | Estados Unidos | 91 |
| 20 |  best cooling fan hacks with light - DIY #diy #howtomake #lifehacks | | 3.2K | Estados Unidos | 89 |
| 3 |  How to Make a "Sand Battery" Air Heater at home (w/copper, candles, sand and loaf pans!) w/heat fan | | 2.5K | Estados Unidos | 93 |
| 11 |  High Power DIY Ceramic Air Heater! Output Air 200F/93C! (w/adj-speed fans) 18/20a AC/DC solar/bat op | | 2.1K | Estados Unidos | 91 |
| 17 |  Fun Summertime Projects! Make a Solar Stove Burner! Fast On-Demand Cooking. (vid comp) Parabolic DIY | | 1.7K | Estados Unidos | 89 |
| 6 |  Sand Battery Air Heater with Beeswax Candles! DIY Sand-based Heater! beeswax hotter/brighter/cleaner | | 1.6K | Estados Unidos | 92 |
| 14 |  DIY Forced Draft Rocket Stove! w/4020 fan (12v solar/batt) DIY Bio stove! precise temp control | | 1.5K | Estados Unidos | 90 |
| 1 |  Make a Sand Battery Air Heater at home! no-electricity needed! strong air heater! - w/fan! 300F/150C | | 1.3K | Estados Unidos | 94 |
| 19 |  DIY Space Cooler! "Peltier" AC Air Cooler - 100w/200w 12v (12715 peltier module) - no ice needed! | | 1.2K | Estados Unidos | 89 |
| 16 |  DIY "Suitcase Style" Solar Power Generator! AC/DC/USB smart charging (P2 Ext. Version) Portable Pwr | | 938 | Estados Unidos | 89 |
| 2 |  DIY Thermo-Electric Generator! Generate Electricity w/candles! run lights, radios, fans! Peltier Pwr | | 911 | Estados Unidos | 93 |
| 12 |  Thermo-Electric Generators! Make Electricity W/Fire! Peltier Powered! w/lots of experiments! DIY | | 738 | Estados Unidos | 90 |
| 9 |  DIY Terracotta Air Heater! - New Design! 2 Pots w/copper foil lining, sand & beeswax candles! + fan | | 707 | Estados Unidos | 91 |
| 4 |  DIY "personal space" novelty air heater! (burner+copper+fan) fan is heat powered! easy space heating | | 557 | Estados Unidos | 92 |
| 5 |  12v High-Speed Desk Fan with DIY stand! AC/DC Pwrd. (solar/battery) - very high airflow! | | 398 | Estados Unidos | 92 |
| 10 |  Homemade Salt Batteries running thermo-electric fans! Easy DIY! strong breeze! salt & sand batteries | | 1 | Estados Unidos | 91 |