Low energy house
Under 50 kWh per square meter per year, or about 1000 BGN. per year for a house of 100 sq.m.
Passive house
Under 15 kWh per square meter per year, or about 300 lv. per year for a house of 100 sq.m.
Zero Energy House
To 0 kWh per square meter per year, or about 0 lv. per year for a house of 100 sq.m.
Low energy house
The energy requirement is about 50% less compared to a standard house.
Passive house
The energy requirement is about 90% less compared to a standard house.
Zero Energy House
The need for energy is close to zero.
Low energy house
Quality insulationwhich significantly reduces heat loss.
Passive house
High quality insulationwhich almost completely reduces heat loss.
Zero Energy House
High quality insulationwhich almost completely reduces heat loss.
Low energy house
Air tightness of high levelwhich helps to maintain a constant temperature in the rooms.
Passive house
Air tightness of top levelwhich helps to maintain a constant temperature in the rooms.
Zero Energy House
Air tightness of top levelwhich helps to maintain a constant temperature in the rooms.
Low energy house
Effective window frames and windows, triple glazing with low emission coverage, air and isolated frames.
Passive house
High Performance window frames and windows, triple glazing with low emission coverage, argon and isolated frames.
Zero Energy House
High Performance window frames and windows, triple glazing with low emission coverage, argon and isolated frames.
Low energy house
Minimize availability of thermal bridges, thus significantly reducing heat losses.
Passive house
Almost complete elimination of thermal bridges, thus significantly heat losses are reduced.
Zero Energy House
Almost complete elimination of thermal bridges, thus significantly heat losses are reduced.
Low energy house
Ventilation system with heat recovery allowing heat retention above 90% and constant flow of filtered fresh air.
Passive house
Ventilation system with heat recovery allowing heat retention above 90% and constant flow of filtered fresh air.
Zero Energy House
Ventilation system with heat recovery allowing heat retention above 90% and constant flow of filtered fresh air.
Low energy house
High level of thermal comfort compared to a standard house.
Passive house
Top level of thermal comfort compared to a standard house.
Zero Energy House
Top level of thermal comfort compared to a standard house.
Low energy house
Possible addition of photovoltaic system with/without battery according to customer requirements.
Passive house
Possible addition of photovoltaic system with/without battery according to customer requirements.
Zero Energy House
Retrieved from Photovoltaic system with battery designed and tailored to the consumption of the site.
Low energy house
Possible addition of house control via Apple HomeKit, Google Home or Alexa.
Passive house
Possible addition of house control via Apple HomeKit, Google Home or Alexa.
Zero Energy House
Possible addition of house control via Apple HomeKit, Google Home or Alexa.
Low energy house
Standard passport for energy efficiency of the completed object.
Passive house
Possible certification of the completed object by Passivhaus Institut, Germany.
Zero Energy House
Possible certification of the completed object by Passivhaus Institut, Germany.
Low energy house
Possible compensation the carbon footprint of the finished site, through tree planting.
Passive house
Full compensation the carbon footprint of the finished site, through tree planting.
Zero Energy House
Full compensation the carbon footprint of the finished site, through tree planting.