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

DIY Sand Battery Air Heaters! w/heat powered fans! no electricity needed! sand battery room heater!

DIY Clay Pot Air Heater! Improved!! has a heat-powered fan! flowerpot heater w/fan! totally off-grid

DIY Sand Battery! A "Sand Battery" Powered Fan and Air Heater! - DIY Air Heating! Hot sand pwrd fan!

DIY Air Heater Hack! NO electricity needed! uses a "Heat Powered" Stove Fan! High Temps! & Airflow!

DIY Air Heaters! MY 33 DIY Air Heaters! (10 years of heaters!) - All Run Off-Grid! Survival Heaters

DIY Solar Water Heaters! My 7 DIY Solar Water Heaters - All Easy DiY's! (Copper/Pex/CPVC/Poly Tube)

2 Heavy-Duty DIY Air Coolers! (Max Airflow! Coldest Temps!) - AC/DC/12V ~ can be solar pwrd! (comp.)

3 DIY Air Coolers! (sm/med/lg) My 3 Cold-Water Air Coolers! (w/fans & radiators) Ice-Cold! 3-shorts

DIY AC Air Cooler! Desk Fan Air Cooler! (short) - w/ice cold radiator! Easy DIY! only 4 items needed

My 3 Newest DIY Air Coolers 2022! evap/direct/indirect - AC Air Coolers! 3 Easy DIY's

Evap Cooler Pads! which is best? The 3 types (and how they compare) - the pros and cons of each

DIY "indirect" Evap Air Cooler! No Humidity! only 39 watts! AC/DC air cooling! can be solar powered!

DIY Air Cooler! BIG Evap Air Cooler! w/Honeycomb Pad! 20 gallon tank! 16hr run-time! (Box-fan conv.)

DIY "INDIRECT" Evap Air Cooler! (No Humidity!) 2 Projects 1 unit! tons of info! + AC Air Cooler Comp

Foldable Fresnel Lens! How to cut a Fresnel Lens in Half (and add hinges!) my "fire lens" converted!

DIY BBQ Grill! Homemade Grill! Works Awesome! Stainless Steel Grill! only 4 items needed! Easy DIY!

DIY Ventless Indoor Fireplace! (ext. footage) with build. smoke free! "bio-ethanol fuel" powers it!