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| 12 |  DIY Solar Water Heater Full Build | | 140.6K | — | 91 |
| 13 |  DIY "PEX COIL" Solar Water Heater! - High temps! - No crimping! - Sunsafe! - PEX Made Easy! | | 54.9K | Estados Unidos | 91 |
| 17 |  DIY Solar Water Heater! - Deluxe "Aluminum backed" COPPER COIL Solar Water Heater! 175F Full Instr. | | 29.7K | Estados Unidos | 91 |
| 6 |  DIY "TWO STAGE" Indirect Evap Air Cooler! No added Humidity! brand new! 2 fans/2 pumps/2 radiators! | | 13.4K | Estados Unidos | 93 |
| 11 |  2-Stage Air Cooling System w/radiator! (extended version) Make an AC Air Cooler! at home DIY | | 11.5K | Estados Unidos | 91 |
| 19 |  How To Turn Your Fan Into An Airconditioner AC #invention | Desi Ideas & Creativity @desiideascreativity | 10.7K | India | 91 |
| 2 |  DIY Two-Stage "5 Gallon Bucket Air Cooler!" w/radiator and variable speed fan! strongest cooling! AC | | 10.7K | Estados Unidos | 96 |
| 1 |  DIY 12V Air Cooler! very cold air! 20w (AC or DC) - Radiator w/Stand + Hi-Speed.Fan! modular design! | | 10.1K | Estados Unidos | 96 |
| 7 |  DIY Air Cooler! "Table Fan" Air Cooler (conv.) *w/radiator 3-spd - very quiet drops temp 20 degrees! | | 4.0K | Estados Unidos | 93 |
| 15 |  Diy Solar Hot Water System Overview and Operation!!! | | 3.6K | Estados Unidos | 91 |
| 10 |  DIY Sand Battery Air Heater! 12v Radiant Air Heater! 25-40 lbs/sand! 160F/72C home/vehicle/tent heat | | 2.3K | Estados Unidos | 92 |
| 5 |  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 | 93 |
| 4 |  DIY Space Cooler! "Peltier" AC Air Cooler - 100w/200w 12v (12715 peltier module) - no ice needed! | | 1.2K | Estados Unidos | 93 |
| 16 |  Invention Homemade Air Cooler From Tins #diy | Desi Ideas & Creativity @desiideascreativity | 1.1K | India | 91 |
| 9 |  DIY "Suitcase Style" Solar Power Generator! AC/DC/USB smart charging (P2 Ext. Version) Portable Pwr | | 938 | Estados Unidos | 92 |
| 14 |  New Invention. Free Cooling System from Steel sheet pipes #diy | Desi Ideas & Creativity @desiideascreativity | 866 | India | 91 |
| 20 |  Unique Ideas Fan Convert to Air Cooler. Fan To Ac #invention | Desi Ideas & Creativity @desiideascreativity | 784 | India | 91 |
| 8 |  12v High-Speed Desk Fan with DIY stand! AC/DC Pwrd. (solar/battery) - very high airflow! | | 398 | Estados Unidos | 92 |
| 3 |  DIY "Indirect" Evap AIr Cooler! Produces Cold/Dry Air (No Humidity!) - AC/DC - can be solar powered! | | 1 | Estados Unidos | 93 |
| 18 |  DIY Pool Heater! EASY & WORKS GREAT! #diy #pool | Creative Redneckin' @creativeredneckin7258 | 0 | Estados Unidos | 91 |