Ecological and powerful

Solar ventilation

You want an automatic ventilation system that does not consume electricity? With the self-sufficient solar ventilation from Grammer®Solar you improve the indoor climate and reduce heating costs at the same time.

Grammer Solar at mountain hut
Automatic ventilation and temperature control

Ecological solar ventilation

That there is such a thing! Ventilation, air conditioning, heating and drying in one - and at zero cost! The system is called Grammer®Solar. Ventilation powered by the power of the sun ensures a healthy indoor climate and pleasantly low heating costs.

The maintenance-free, efficient system has proven itself many times over in vacation homes, chalets, mountain and hunting lodges, camping houses, permanently used caravans, mobile homes, etc. but also basements and garages benefit from solar heating and drying.

Grammer®Solar has been producing air collectors in Germany for over 40 years and is the first ever Solar Keymark certified manufacturer of solar air collectors in Europe. The Keymark certifies compliance with European standards.

⇓ «SolarVentilation» brochure from Grammer®Solar (German) [1.]

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Grammer-Solar: DIN tested

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Your advantages

Solar ventilation with solar air collectors from Grammer Solar®.

Grammer®Solar solar ventilations are also suitable for larger objects [Source image 2.].

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Contact us without obligation

Do you have any further questions or may we prepare an offer for you?

Contact us without obligation. The initial consultation is free of charge. We look forward to your inquiry!

Contact us without obligation. The initial consultation is free of charge. We look forward to your inquiry!

Tobias Bayer
Managing Director

Tobias Bayer profile picture

Questions & Answers

What is solar ventilation?

It is important to distinguish between solar ventilators, which work with solar power, and solar air collectors, which use the sun's energy to heat air and direct it into a building for the purpose of heating and ventilation. We offer solar air collectors from Grammer®Solar, which we deliver throughout Switzerland.

What is the cost of solar ventilation?

We offer solar ventilation from Grammer®Solar from CHF 1'500 - 2'000 per qudartmeter of solar area throughout Switzerland. The exact price depends on the number and size of the solar air collectors, the accessibility of the installation site and the duration of the journey. Ask us without obligation for an individual offer.

What are the advantages and disadvantages of solar ventilation?

Solar air collectors provide automatic ventilation of the building, entirely without incurring electricity costs. The solar heated air creates a comfortable indoor climate and leads to lower heating costs during the cool seasons. The system is considered to be very reliable in operation with low maintenance requirements.

Who is has been specializing in the dehumidification of buildings since 2010, which we dry sustainably using innovative systems. We recommend the ecological ventilation system of Grammer®Solar, because it leads to a noticeable improvement of the indoor climate through air circulation.

How much does solar ventilation cost in Switzerland?

Solar ventilation from Grammer®Solar is available from CHF 1,500 - 2,000 per square meter of solar area. This includes the entire order processing. The actual price depends on the size and the number of air collectors, on the accessibility of the installation site as well as on the duration of our travel.

What are the electricity costs of solar ventilation?

Grammer®Solar solar ventilation operates completely self-sufficiently because it produces the electricity for the fans itself. If the system is equipped with the night ventilation option, electricity costs of CHF 25 per year can be incurred for night ventilation.

How does solar ventilation affect heating costs?

Solar ventilation directs free solar heat into the home, resulting in lower heating costs.

What maintenance costs and expenses should I expect?

Apart from the filter change, which should be performed once or twice a year, the system is completely free of maintenance costs and expenses.

How does solar ventilation work?

The solar and air collector from Grammer®Solar generates electricity and uses it to feed a fan. This draws in air, which first passes through a filter, is then heated in the air collector and then circulates throughout the house. The free solar heat leads to a healthy and comfortable indoor climate, prevents mold and keeps the house dry. Once the desired room temperature is reached, the system switches itself off.

What can solar ventilation do?

The standard version of the Grammer®Solar solar ventilation system automatically brings warm air into the house. This leads to a comfortable indoor climate, reduces heating costs and reliably protects against moisture and mold in the house. In addition, the ventilation system can be optionally retrofitted with a night ventilation set, whereby the ventilation is connected to the house's power grid. This allows the house to be cooled with cool night air on a time-controlled basis, as well as user-controlled ventilation when required.

Does solar ventilation filter pollutants from the air?

Yes, the aspirated air first passes through a filter before entering the house. This filter should be replaced once or twice a year. Apart from that, the system does not cause any maintenance expenses.

What is the maximum ventilation capacity of the air collectors?

Grammer®Solar's air collectors deliver up to 125 m³ of air into the building per hour. By the way, the system ventilates even when the sky is cloudy.

For which buildings is solar ventilation suitable?

Grammer®Solar is suitable for residential houses, vacation homes, mobile homes, garden sheds, greenhouses and individual areas such as basements or screeds. Thanks to its tempering effect, the ventilation system is particularly practical for houses that are not occupied for several weeks. In addition to residential buildings, the system can also be used in commercial or agricultural buildings.

Where are the solar air collectors mounted?

The air collectors are mounted on flat roofs, pitched roofs or on facades - either flat or at an angle. The ideal location should receive as much sunlight as possible and have no partial shading.

How noisy is solar ventilation?

The operation of solar ventilation is virtually silent.

How do I control the solar ventilation?

The ventilation system controls itself via a thermostat. As soon as the desired temperature is reached, the system switches off. When the night ventilation option is in use, the system operates on a time-controlled basis.

What is the procedure for installing solar ventilation?

After the initial consultation, we will prepare an offer tailored to your property. If you accept it, the air collectors will be installed on the roof, facade or other suitable location as agreed. Where necessary, holes will be drilled for the ventilation pipes. In certain cases, a lifting platform may be necessary for the installation.

How long does it take to install solar ventilation?

The installation of solar ventilation usually takes one day. The duration of installation depends on the accessibility of the place where the collectors will be installed, as well as the number and size of solar air collectors.

What is the lifetime of solar ventilation?

Grammer®Solar estimates the service life of its solar air collectors to be at least 25 years. The collectors are certified according to the collector standards DIN EN ISO 9806 or DIN EN 12975-1 and have been manufactured in Germany for over 40 years.

How the solar air collector works

Grammer Solar Functionality
  1. As soon as the collector receives enough sunlight, the fan automatically turns on.

  2. Fresh outside air is drawn in through a filter and passed through the insulated air collector, heating the air by up to 40°K.

  3. Subsequently, the warm air enters the building through an insulated pipe.

  4. The humid, stale air goes outside through exhaust vents. [1.]