BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses
BG Houses - Prefabricated houses

Low-energy houses

Energy efficient house is any type of house that uses less energy than a regular one. Optimization of energy consumption and best possible use of available energy is not new idea. Today, there are five main categories of energy efficient houses:

  • low energy house
  • passive house (ultra-low energy house)
  • zero-energy house (or net zero energy house)
  • autonomous building (house with no bills)
  • energy-plus-house

There is no global definition for low-energy house. Because national standards vary considerably, 'low energy' developments in one country may not meet 'normal practice' in another. It is generally considered that low-energy house uses around half of energy mentioned in those standards for space heating, typically in the range from 50 kWh/m² per year to 20 kWh/m² per year.

Low-energy buildings typically use high levels of insulation, energy efficient windows, low levels of air infiltration and heat recovery ventilation to lower heating and cooling energy. They may also use passive solar building design techniques or active solar technologies. These homes may use hot water heat recycling technologies to recover heat from showers and dishwashers.

Low-energy prefabricated house built by Bg House

In 2012 Bg House has built a prefabricated low-energy house in France, close to Lyon according the local norms (RT2012) and in accordance with EN 13829:2001 Thermal performance of buildings. Determination of air permeability of buildings. Fan pressurization method.

Please check our Gallery Houses for more details.