I made my own winter heating project at home without paying any electricity bills | Free energy
15:01
15 ENERGY EFFICIENT INVENTIONS FOR YOUR HOME
22:07
How to Make a Capsule Heat Pump for Heating up to +60 °C Conditioner -50 °C. Money Savings.
24:56
Engineers Can't Believe This Mechanism Works
24:57
They Laughed while we were Building a CHEAP HOUSE Using New Technology, But Then They Were AMAZED
9:16
No Gas No Electricity Heat your Entire Home for Free. #diy
17:45
Endless FREE Electricity! I made my own wireless wind-energy lamp post with PVC pipes to light up
18:36
DIY heating stove! and super fast and efficient hot water system! Store energy from sand batteries
19:53