Passive House Roof

In nova scotia we have a 10 000 rebate incentive for energy efficient homes so we can build a passive house for the same cost as a code built house.

Passive house roof.

To meet passive house standard a home must not have an air change rate of more than 0 6 hour than the total volume of the house. With a heating demand of only 8 kwh m a it is uniquely energy efficient. Heat recovery ventilation allows for air to remain comfortable and not stuffy which is a common concern amongst passive house builders. This is very close to the passivhaus standard 0 10 0 15 w m 2 k however it still does satisfy it.

The doors of this new building were open to the public on 14 and 15 november within the framework of the international passive house days 2015. The carpenter reported that he could have got her the stock plan and all the upgrades to passive house for less than the cost of her roof. Passive house principle sketches special constructions. To be designated as a passive house a building must embody a set.

Passive house principle sketches special constructions. Passive house roof build up adhered. Essentially a passive house is designed to be extremely energy efficient so that it doesn t take a lot of power to heat or cool. Fink truss attic truss the vaulted roof and the flat roof.

Passive house has a reputation for requiring ungodly amounts of insulation. All mbc passive roof systems deliver a u value of 0 10w m2k. A similar standard minergie p is used in switzerland. The individual roof type diagrams show the detail associated with each roof type.

This prevents heat loss and shows that air isn t leaking in your home. If you re familiar with any passive house projects you may be thinking about double stud walls that are a foot thick or regular walls with 6 to 12 inches of rigid insulation on the outside. Attic and roof edge for passive houses. At the same time a 250 m photovoltaic system on the roof produces renewable energy.

Passive house wall capping profiles. The following are six 6 estimates of the passive house premium from five 5 passive house builders. The roof trusses alone cost 20 000. The main diagram below shows how the three passive elements roof wall and foundation link together.

However the premium for going passive seems limited to the super insulated nature of the building s six sides four walls roof and floor. It results in ultra low energy buildings that require little energy for space heating or cooling. Click image to expa nd. It grew out of the superinsulation movement after all.

Roof build ups for passive houses. Justin o keefe 15. To achieve the passivhaus standard passive roofs need high levels of insulation thermal bridges need to be eliminated and the structure itself needs to be airtight.