Passive House: Construction and profitability price

A heated house thanks to the heat released by the activity of its occupants, domestic electrical devices and oven windows wet in the sun. A house fueled by electricity using renewable energies, solar panels in mind. Comotti, healthy, vigorously efficient, ecological and autonomous: the advantages of passive housing are numerous. The only brake in its construction, its initial cost. However, this investment offers good promises of long -term profitability as soon as potential energy savings and subsequent reductions of its invoices are taken into consideration. Passive house: price and profitability, the solar lands tells you everything.

Again on investments with a passive house

Schematically, a passive house is defined as a house without heating: understanding without resorting to electrical heating devices. The design and materials used at the time of its construction allow you to warm it without using any device that consumes energy. The guarantee of savings on the electricity bill, but also the guarantee of optimal comfort in terms of temperature – summer and winter – an incomparable air quality and a real contribution to the ecological effort: the topics for this type of habitat are numerous. It is still necessary to be able to offer it … Some producers say that the opposite game to highlight the profitability of the project, the price of a passive house to invest remains more expensive than that of a traditional house.

The most expensive passive house of a traditional house

Passivhaus passive building label offers the certainty of a passive house, with all the advantages it takes. In return, obtaining the label requires compliance with rigorous construction standards. In this context, it is difficult to compete in competitiveness with traditional houses, also as part of the 2012 thermal regulations of 2012.

The above figures are eloquent and to claim considerable energy savings, it seems logical to have to pay the price. Reality confirms it:

• The passive house is built at a price between 15 and 30 % more expensive than conventional homes.
• The cost of building passive buildings is more expensive from 5 to 10 % than an RT 2012 house.

Guaranteed energy saving

Unless we meet the conditions to claim the benefit of the financial aid applicable in the construction or renewal of passive housing, the high price of this type of accommodation can be prohibitive for the individual. When this brake is exclusively psychological, it is interesting to examine the question of returning on investments: putting the price in a passive house can be judicious if the operation becomes medium or long -term profitable.
To study the profitability of the construction, recall of its profits:

• The level of optimization of the insulation, ventilation and seal of the building allows you to maintain a sufficient internal temperature, summer and winter, so that the need for heating is less than 15 kWh per m² and a year.
• Total consumption of the passive house – heating, appliances, lights, etc. – In renewable energy it is less than 60 kWh per m² and a year.

The very low energy consumption of the building, to which the use of free renewable energies – in particular photovoltaics – is added – allows you to considerably reduce electrical bills. The initial investment can therefore be profitable thanks to the energy savings made.

Find out in this video because you have your passive home

https://www.youtube.com/watch?v=dqzfoynkisu

Comfort, air quality, autonomy, capital straws, ecology

A restructuring or construction project of the passive house can be considered in other words compared to that of profitability.

• The level of isolation, ventilation and sealing of this type of building offers undeniable comfort and healthier air.
• By reducing its energy needs, the individual obtains autonomy: his use of the electrical network is minimal.

Your home of autonomous energy, to what extent? Linked by energy autonomy, discover the tools and suggestions to be adopted. Advantages and savings, the sun ground explains in its article how to obtain independence and you too, produced thanks to photovoltaic solar panels, but not only …

• By minimizing the use of fossil fuels, the manufacturer of passive houses contributes to ecological effort.

All these advantages also allow you to improve the property. A further discussion to put the price in a passive house …

The factors of further construction of the passive house

Before interesting the criteria of the passive house – at the origin of its additional construction cost or
NOVATION – In a short reminder of the thermal and environmental regulations applicable to the construction sector.

Passive House, RT 2012, Re 2020 and BBC: let’s take stock

Currently, any new house must be built in accordance with the standards decreed by RT 2012. This thermal regulation aims to build BBC so called BBC -for a low -consumption building. The goal: to reduce energy consumption, through rigid thermal insulation rules.

On the horizon, a new regulation looms: RT 2020 – Re 2020 in reality. Beyond the goal of RT 2012, the future standards applicable to the construction sector aim to reduce the environmental imprint focusing in particular on the self -production of green energy. The King 2020 building will be, if not Bepos’ house, the passive house.

In this regulatory context, the construction of a new house by 2020 will require compliance the standards of the passive house, a high price or not …

Labeling criteria of the passive passive building: isolation, waterproofing, ventilation

Obtaining the passive building label is subject to compliance with the following criteria:

• Need for heating less than 15 kWh / m² / year.
• Total consumption of renewable energy of less than 60 kWh / m² / year.
• Air impressive n50
• Overheating – temperature> 25 ° C – for a maximum number of days of 10 % of the year.

Note: Getting the Passivhaus label implies a cost – between 13 and 17 € ht / m² depending on the complexity of the building.

Several construction techniques are implemented to ensure compliance with these criteria

1. The air hold aims to obtain a waterproof building: the cold air outdoors does not adapt, the internal heat is preserved.
2. The external and internal insulation contributes, with the estate, to minimize heat loss by removing thermal bridges.
3. Ventilation is essential in a context of maximum isolation and sealing. In a passive house, ventilation must be designed to renew the air without losing heat or promoting the intake of external humidity.

The central also in view of energy savings, carpentry. Huge bag windows to bring the light and heat of the sun into the accommodation, yes. But on condition that the windows provide a sufficient level of performance in isolation: triple glass are generalized in this context.

Finally, the installation of perfect solar panels is the passive house, minimizing the use of the electrical distribution network as much as possible.

Passive house: average price observed

When appreciating the prices offered for your passive home and, in order to reduce the initial construction costs – or renovation, it is useful to take into account the financial aid offered, if applicable. Among these AIDS: the zero-preparated rate, the tax credit for the energy transition (cites), VAT with reduced rate, Anah subsidies, local and regional aid, if necessary.

Construction price

In 2019, the passive house is displayed at the minimum average price of € 1,700 per square meter. This indication of the price of the passive house allows you to discover that of € 1,700 / m², the project is difficult to predict. Apart from this observation, the data are purely indicative. In fact, the price of a construction – passive or not – depends on multiple criteria: the materials used for the construction of the external water – more expensive ecological materials – the configuration of the house – with or without floor – the prices loaded by the manufacturer, the use or not for an architect … In any case, the price of the passive house can reach peaks and it is difficult to estimate a maximum cost.

Note: It can be tempting, in order to reduce construction costs, entrusting the manufacturer the structural work exclusively.
Please note that passive housing require specific skills and skills for a certain secondary work.

However, your passive home at a competitive price requires several quotes and Compare the different offers well.

Renewal in the passive house: price for m²

In light of the promises of passive housing, the individual who does not have an immediate real estate investment project can be seduced by the idea of ​​renewing his accommodation in passive accommodation. Passive renewal allows to obtain a level of energy performance almost equal to passive construction. Only criterion revised downwards: in renovation, the need for heating can reach – as far as possible – 25 kWh / m² / year.

The restructuring price in the passive house – which can be reduced thanks to eligible financial aid – must be established on the basis of a budget taking into account the following positions: change of carpentry, external insulation, implementation of an efficient ventilation system, installation of new heating systems and photovoltaic solar panels. In any case, the account is lower than the construction.

And now …

The passive house has no more secrets for you, answer the few questions from the Solar Earth application to find out how much you would save by installing the photovoltaic panels.