DIY AC Air Coolers! NO ICE NEEDED! (12V Freezer Chills the Water!). w/Radiator & Fan

DIY Forced Draft Rocket Stove! w/4020 fan (12v solar/batt) DIY Bio stove! precise temp control

Fun Summertime Projects! Make a Solar Stove Burner! Fast On-Demand Cooking. (vid comp) Parabolic DIY

DIY Parabolic Solar Cooker - the "mini model" - small, lightweight, powerful - RV/van life adventure

DIY "Family Size" Parabolic Cooker! Supercharged! XL "Solar Sizzler" Replica! solar stove burner

Reviving a Lost Parabolic Solar Cooker! Smart Sized DIY! Ideal for Everyday Meals! Perfectly Powered

Next-Gen Solar Dish Cooker: Innovative Catenary Curve Design! Wide/Even Heating! Built & Explained

MY "PTC Heating Element" Projects! (all 16 of them) - ovens/heaters/distillers/griddles etc. DIY 12v

DIY "Suitcase Style" Solar Power Generator! AC/DC/USB smart charging (P2 Ext. Version) Portable Pwr

Build your own Solar Power Generator! DIY "suitcase style"! w/LiFePO4 batt (sim. to Jackery/Bluetti)

Lithium battery (LiFePO4) running my latest 2-Stage DIY Air Cooler! (100% battery powered) pt.3 of 3

2-Stage Air Cooling System w/radiator! (extended version) Make an AC Air Cooler! at home DIY

DIY Two-Stage "5 Gallon Bucket Air Cooler!" w/radiator and variable speed fan! strongest cooling! AC

DIY High Amp Earth battery! 1000% increase! (using CU/AL sheet metal) 10x amps! (sand soil + water)

12v 400 Watt DIY Space Heater! (UPGRADE) - quieter/faster/stronger! side-by-side w/500w Store Model

DIY Water Filter! Purifies Fast! easy to maintain! "shake style" filter! -made w/304 Stainless Steel

DIY Terracotta Air Heater! - New Design! 2 Pots w/copper foil lining, sand & beeswax candles! + fan

Sand Battery Air Heater with Beeswax Candles! DIY Sand-based Heater! beeswax hotter/brighter/cleaner

How to Heat "Sand Batteries" using a Parabolic Dish or Fresnel Lens! Free Heat! DIY Air Heating

DIY Sand Battery for Air Heating at home! *with "Copper Heatsinks! & Clay Pot Option w/heat pwr fan!

Make a Sand Battery Air Heater at home! no-electricity needed! strong air heater! - w/fan! 300F/150C

How to Make a "Sand Battery" Air Heater at home (w/copper, candles, sand and loaf pans!) w/heat fan

Sand Storage Air Heater! DIY Tabletop Space Heater! breadbox conv. sand battery + heat powered fans

DIY Sand Battery Air Heater! 12v Radiant Air Heater! 25-40 lbs/sand! 160F/72C home/vehicle/tent heat

DIY "personal space" novelty air heater! (burner+copper+fan) fan is heat powered! easy space heating

DIY Countertop Oven! AC Powered "Breadbox Oven" (600/1000w) 400F/205C pizza, fries and more

DIY 12V Countertop Oven! The "Breadbox Oven" (250F-320F!) 12vdc (*or ac) - low power 135-155w

12v griddle upgrade! new! (I added a heating chamber!) ~ low-temp oven ~ Easy DIY!

DIY "Cast Iron" Electric Skillet/Griddle! AC|DC 12v Easy DIY! 325F/163c steaks/burgers/eggs/pancakes

DIY Air Cooler! "Table Fan" Air Cooler (conv.) *w/radiator 3-spd - very quiet drops temp 20 degrees!

DIY BBQ Grill! Tabletop Charcoal Grill! Easy DIY! only 3 items needed! Can/Camp stove! 15 min build!

DIY 12V Air Cooler! very cold air! 20w (AC or DC) - Radiator w/Stand + Hi-Speed.Fan! modular design!

How To Make a Stoneware Cooker/Oven! w/2 heat settings and removable crock! 12v (AC/DC) DIY!

12v High-Speed Desk Fan with DIY stand! AC/DC Pwrd. (solar/battery) - very high airflow!

DIY Space Cooler! "Peltier" AC Air Cooler - 100w/200w 12v (12715 peltier module) - no ice needed!

How to make a 3-Wick Candle! Homemade Survival Candle! Easy DIY (super simple) 18 hr burn - reusable

Thermo-Electric Generators! Make Electricity W/Fire! Peltier Powered! w/lots of experiments! DIY

DIY Thermo-Electric Generator! Generate Electricity w/candles! run lights, radios, fans! Peltier Pwr

DIY Candle Powered Desk Fan! (using a strip of copper and a brick) tealight powered 3-speed easy DIY

Flowerpot Air Heater! New Design! w/Copper+Sand! (300F/400F)(150C/205C) home/mini greenhouse etc...

Sand Battery Radiant Air Heater (with opt. heat powered fan) DIY - low wattage element - on/off grid

DIY "Dutch Oven" Air Heater! (w/Sand for Heat Storage) - Radiant Sand Air Heater - Cooks too!

DIY Pad-less Evap. Humidifier (w/"lighted" water-tank) 12-16 hr run 500-1200 sq. ft. no pad/no mold!

DIY Carbon Felt Wicks! The "Forever" Wick (S/M/L Burners) - for heating/light/cooking

DIY 12v Space Heater (w/2 heating elements!) 150F(65C) dual fans, AC/DC power solar/batt/car options

High Power DIY Ceramic Air Heater! Output Air 200F/93C! (w/adj-speed fans) 18/20a AC/DC solar/bat op

Homemade Air Heater. AC/DC Powered. 150F/65C. Ceramic/Alum. "Ripple' Air Heater (solar/batt. option)

12V Peltier "Personal Space" Air Cooler! DIY Peltier Air Cooler! (6.5a) can be solar/battery powered

Deluxe DIY Air Cooler! w/Built-in Radiator & Air Filter! AC/DC 12V! Low Temps (360 nozzle) solar op.

DIY Evap Air Cooler! (Simple "Box Fan" Conversion) - Homemade Evap Air Cooler! New Design! Easy DIY

DIY "TWO STAGE" Indirect Evap Air Cooler! No added Humidity! brand new! 2 fans/2 pumps/2 radiators!

DIY "Indirect" Evap AIr Cooler! Produces Cold/Dry Air (No Humidity!) - AC/DC - can be solar powered!

Homemade Salt Batteries running thermo-electric fans! Easy DIY! strong breeze! salt & sand batteries

DIY Air Cooler! w/Tubular Radiator! High Airflow! New Design! DIY AC Air Conditioner 12v can b solar

DIY Radiant Brick Space Heater with Copper Plates! 300F/150C (12v) 220C/428F PTC (10lb thermal mass)

DIY Carbon Felt Lamp Wicks! (the "Forever Wick") DIY alcohol lamps w/carbon wicks! (no cotton wick)

DIY Survival Stove! powered with hand-sanitizer! no tools needed! flex fuel design! very powerful!

Sand Battery Powererd Fan! Sand Battery "Cool Breeze" Cooling Fan! insulated! traps the heat! Ez DIY

5 DIY Sand Battery Space Heaters! with Heating Elements! 300F/150C (self-regulating Ceramic PTC) 12v

Sand Battery Air Heater w/Copper! The "5 Gallon Bucket" SAND BATTERY Air Heater! AC/DC fan 12v solar