Month: February 2009

  • Off the water supply network – introduction

    Water is supplied to many homes via water supply network. But it might be quite easy to get your water elsewhere, even if you’re living in an urban area.

  • Keeping room temperature — introduction

    In almost all modern homes the most energy is used to keep the room temperature on the desired level. It includes both heating in winter and air conditioning in summer. In some climates you need only one of those, in temperate climates you need both. For example, in Poland we have annual mean temperatures close […]

  • Off the electrical grid – introduction

    This is the first post in a series of how to live off the electrical grid. In the series I will answer the following questions: how to make electric energy from various sources (photovoltaics, wind turbines, internal combustion engines, fuel cells, etc.), how to store electricity to use it later, how to save electricity, in […]