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304 North Cardinal St.
Dorchester Center, MA 02124
The construction of a passive house is based on the premise that the building itself is able to provide the right temperature and humidity inside without the need for traditional heating and air conditioning systems. Special technologies and solutions are used to achieve this, such as:
These and other solutions significantly reduce the need for additional heating and air conditioning, resulting in lower heating and air conditioning bills and reduced CO2 emissions.
Passive houses are heated mainly by solar radiation which enters the building through the windows. In addition, heat is also generated by people and electrical appliances such as computers, televisions or refrigerators that are used indoors.
Some passive houses also use additional heat sources, such as a fireplace with a water jacket or solar collectors. These solutions make it possible to further raise the temperature inside the building on colder days or in the event of a ventilation failure.
Passive and low-energy houses differ primarily in the degree of energy consumption required to heat and ventilate the building.
Passive buildings have very low energy requirements for heating and ventilation, which is made possible by special solutions and technologies.
Energy efficient buildings are also characterised by low energy demand for heating and ventilation, but this is higher than for passive buildings. This can be achieved by using similar solutions, but their efficiency is lower than that of passive buildings.
In general, passive buildings are more energy efficient than energy-efficient buildings and can be equipped primarily with a real heating source and additional renewable energy sources such as solar panels or photovoltaic panels.
If you are considering choosing a passive or energy-efficient home, the following criteria are worth considering: