Objective
Aim of the project was to demonstrate the marketability of our "Do-it-yourself-solar-house". By this, the gap between our developments and their application should be closed.
The specific innovation of the project is, that our Do-it-yourself-conception bases on a construction manual for building (solar) houses which is very detailed but nevertheless also understandable for non-professionals. In addition, we can and do supply full technical support to the client, e.g. concerning safety standards etc., because all construction sites are located near.
The market studies which have been carried out, show that in the FRG the market share of Do-it-yourself-houses (one-and-two-family-houses) is about 51,9%. For the first time, our project will introduce to his large market the possibility of building a solar house by a Do-it-yourself technique.
The clients decided in favour of a do-it-yourself detached family house mainly for financial reasons. They all belong to the financially weak. For them building a do-it-yourself solar house meant increasing the value of their home and possibly saving energy.
The solar houses are used mostly as an extension of the living room. In all cases the warm air of the solar house was used for heating the living-room.
The solar houses facing South had some problems with overheating during summer time.
Some occupants regret that their solar house is too small.
Three of five occupants think that the solar house needs too much attention e.g. cleaning the glass.
Thermal reaction of the building on cloudy winter days: an effect of diffuse sunlight can be observed in the houses with Solar Modules facing South. Otherwise, there is no influence on the room-temperature.
Thermal reaction of the building on sunny winter days: greatest influence of solar radiation is to be seen in the Solar Module facing South e.g. it made the temperature of the Solar Module increase by 30 K within 4 hours.
Thermal reaction of the building on sunny summer days: the Solar Module facing South has the largest variation in temperature over the day. There are sometimes very high temperatures which can only be reduced by venting and/or shading.
The solar gain of a house with a Solar Module facing South during the heating period from Sept. 92 to May 93 amounts to 2671 kWh which is 15% of the total heating demand. The solar gain of a house with a Solar Module facing West amounts to only 1680 kWh which is 9% of the total heating demand.
The purpose of this project was to close the gap between the developments of the do-it-yourself-solar houses we (Solar Module) have carried out so far and their application and establishment on the market. Before carrying out the necessary data for the assessment of technical and commercial feasibility of this plan. Compared to conventional buildings this do-it-yourself concept will save costs and, therefore, this concept will contribute to establish (on larger scale) the environment protecting passive solar energy on the market.
By the application of passive technology, five detached family houses are heated by solar energy. Conventional energy will be replaced and resources of raw materials will be saved.
The houses were built in normal sizes. All five houses are equipped with a conventional heating system (gas). The floor area of the solar houses is about 12 m2. Three of five solar houses are facing South, two facing West. The provided locations for these buildings are two different districts in the region of Lueneburg.
Fields of science (EuroSciVoc)
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Programme(s)
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
21335 LÜNEBURG
Germany
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.