To change the background of the blog.(Blogger)

If we wanted to modify or to change the image of the bottom of our blog we can carry out it with a fixed image (jpg, png) or one with movement (gif)

Here you have the steps to carry out it in blogger

Using Passive Environmental Energies. (Part 2º)

The energy balance of the building:

The importance of thermodynamics between building and environment.

Bearing in mind that each person has their own comfort level and win every house or assign hot / cold of their environment. We define minimal concepts to understand this energy balance that occurs between the house and its location. And the variation of the same during the seasons and changes in hours of sunshine, wind patterns and temperatures, etc...