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 Keya Lea

Our Relationship With the Universe

Our Relationship With the Universe

Today is the summer solstice, the longest day of the year.  On this day, the sun seemingly travels its longest and highest arc through the sky.  I’m reminded of how passive solar building is dependent on the surrounding elements to work. While the sun appears to travel through the sky, alas, we are not the […]

 Keya Lea

Indoor Air Filtration with Plants

As I’ve been learning about passive solar retrofits, I’ve also learned that when a home is better insulated, while it can make the energy systems more efficient, the quality of the indoor air can become more of a concern. For example, when drafty windows are replaced, the home can become more energy efficient, yet an […]

 Keya Lea

Learning About Your Electricity Use – Kill A Watt

While it can be beneficial to cut down on electricity usage, it’s difficult knowing exactly how much electricity certain appliances use. I admit that it is easy to take for granted the different modern appliances that have become common household items in America. As my utility bills went up, however, I wanted to learn more […]

 Keya Lea

Passive Solar Site Design Planning

Passive Solar Site Design Planning

Southern facing windows do not allow the sun into the house, whereas in the winter, the sun reaches deep into the house.

 Keya Lea

The Winter and Summer Sun’s Path – Solstice Picture Gallery

The Winter and Summer Sun’s Path – Solstice Picture Gallery

Here are photos of the sun’s path in the sky on the winter (top) and summer (below) solstices.

 Keya Lea

Movement of the Sun

Movement of the Sun

The Earth is rotating around the sun, however, as our planet spins and rotates around the sun, it appears to the inhabitants of Earth that the sun is moving across the sky. Thus, it is often referred to as the ‘movement of the sun’.