OK, so, we use a lot of energy. It takes energy to make energy. It takes energy to transport fuel, it takes energy to make the vehicles and devices that transport fuel, it takes energy to turn fuel into energy and it takes energy to distribute energy and fuel. Energy is also wasted all along the path. This article looks at 9 reasons why it's not OK to waste energy.
HEPA Filters - 3 Key Things You Need to Know for Classrooms
Shawna HendersonJanuary 10, 2022
This Article Updated September 2024 I bought and tested HEPA (high efficiency particulate air) portable air filter for my main living space to help reduce viral and allergen loads. It's doing a good job. The specifications for the 170 s.f. space are shown to the right. Each model shows three...