https://www.youtube.com/watch?v=-l-UYwfx3a0

15 ENERGY EFFICIENT INVENTIONS FOR YOUR HOME

Things I liked:

Ecodrain

Solar Car port

Ridge Wind turbine

Solar Gaps – Solar powered blind

Thermo Electric generators (power bank)

Dice Cover -noise supressant for heat pumps, generators?

Rainy Rain Water filter and collector

Mini hydroelectric generator

Regen – Exercise Bike Electricity generator (develop a addon for all bikes?)