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Renewable energies

Become your own energy supplier

Regenerative Energien bei SchwörerHaus

Ideal addition to your energy supply

Become your own energy supplier with renewable energies. Renewable energies are the ideal addition to the energy supply. Gain additional energy from a photovoltaic system, solar system, brine-geothermal heat exchanger or rainwater cistern, and become independent of rising electricity prices.

Photovoltaic system

Photovoltaikfassade

With a photovoltaic system, you become an electricity generator, and this is a sensible financial investment. The solar electricity generated can be used in the house or fed into the grid. In addition, as part of the “renewable energies” funding, you will receive interest-subsidised loans from the Germany’s reconstruction loan corporation (Kreditanstalt für Wiederaufbau – KfW) or central, state and local government funding. Incidentally: a photovoltaic system supplies electricity even when the sky is cloudy. It can be installed on or in the roof. Also available as façade elements on request.

Brine-geothermal heat exchanger

Erdwärmetauscher

Below the frost line in winter, the ground is warmer than the outdoor air. The reverse is true in summer. This allows the efficiency of a ventilation system to be substantially improved. In summer, the coolness of the ground is used to cool the fresh outdoor air. In winter, the warmth of the ground is used to preheat the fresh outdoor air. Moreover, the preheating of the air in winter allows frost protection for the heat exchanger. The combination of geothermal heat exchanger and fresh air heating system is also possible. Here, the geothermal heat exchanger reinforces the function of the heat pump. The brine-geothermal heat exchanger is a hygienic solution, as only the thermal energy from the brine is emitted to the fresh air.

Brine-geothermal cage

Erdwärmekorb

A geothermal cage is ideal as a space-saving alternative to the brine-geothermal heat exchanger. Instead of a system installed as a serpentine or ring in the ground, the pipes of a geothermal cage run helically into the ground. This system causes little additional work whilst undertaking excavation for the foundations.

In a similar way to the surface collector, the geothermal cage also extracts its heat from the upper ground structure at a depth of 1 – 1.4 metres in summer and during the transition period. The advantages of the geothermal cage compared with a surface collector, with longer run times and in the cold, winter half of the year become clear from this example. Whereas the surface collector can generally draw on only one layer of earth close to the frost line, the geothermal cage also draws the required thermal energy from deeper, warmer layers of earth. With a small space requirement, a large volume of earth can be used as an energy import supplier and exploited extremely evenly for heat extraction.

Rain water cistern

Gießkanne Haus

Free rainwater is ideal for watering the garden, washing laundry and cleaning toilets. Extraction from the rainwater cistern takes place via a suction hose below the surface of the water. A second water distribution system is required. A feed system guarantees the supply during dry periods.

Schwörer Trainer​

Schwörer-Trainer

SchwörerHaus has developed a home Trainer with which the energy generated from training is used to heat service water. In addition, the heat radiated by the residents during exercise is recovered via the controlled living area ventilation.

The higher the physical activity, the greater the generated heat that a person emits into the surroundings. During exercise, it is an average of 350 W, i.e. the heat emission is up to 4 times greater than during seated activity. This energy is recovered via the controlled ventilation system and transmitted to the fresh air.

Schwörer-Trainer

How the Schwörer Trainer works

Example calculation

Household with 3 people who exercise regularly

Training

Person 1, training level 6, 60 min, 2x per week: 1600 Wh/month

Person 2, training level 5, 60 min, 2x per week: 1120 Wh/month

Person 3, training level 4, 60 min, 3x per week: 1140 Wh/month

Heat emission

Person 1, 60 min, 2x per week: 2800 Wh/month

Person 2, 60 min, 2x per week: 2800 Wh/month

Person 3, 60 min, 3x per week: 4200 Wh/month

Total energy generation: 13660 Wh/month

That is already 10% of the energy required per month for a 100 m² passive house.

Sustainability is an integral part of our company policy.

Wald Baum
Order a SchwörerHaus information pack now

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We are happy to send you a free information pack.

Neues Wohnen
Holz rettet Klima
SchwörerHaus ist als Top-Fertighaushersteller ausgezeichnet
SchwörerHaus ist 2024 im Club der Besten
SchwörerHaus ist farister Fertighausanbieter 2024
Klimaschutzunternehmen
Umweltpreis Baden-Württemberg 2020
SchwörerHaus erhält den Deutschen Nachhaltigkeitspreis 2025
Logo Sentinel Holding Institut

Leading prefabricated house manufacturer

Outstanding quality, attractive design, good price-performance ratio and reliable customer service are our claims – all naturally in consideration of nature and the health of our customers.

FIND YOUR DREAM HOUSE

Make an appointment now with a building consultant

We are not far from you. With design centres, production sites, but primarily with show homes and building advisors ready to provide comprehensive support.

Our building consultants are available to you for a personal, online video consultation.

Founded
2022

Our story begins in 1950 with the founding of building materials retailer Hans Schwörer KG. 

Awards
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Multiple awards for our future-proof concepts in respect of climate protection and energy efficiency.

Houses built
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The groundbreaking for the first of now 44,000 houses completed took place in the 60s.

Employees
0

As a family-run company, we employ around 1,850 staff on seven sites across Germany.

Our prefabricated houses at a glance

Single-family homes

Single or two-storey, with gable, hip or flat roof, as an urban villa, country house or cube – we implement your individual single-family home for you.

Bungalows

A light, airy living ambience, direct access to the garden from all rooms – living on one level has its appeal. Bungalows are single-storey houses with many possibilities.

FlyingSpaces: Tiny Houses

FlyingSpaces or Tiny houses are high-quality modules that work as an entire mini house, single-room extension or even in combination.

Semi-detached houses

Semi-detached houses are a good alternative, when construction density is concerned. The construction of semi-detached and terraced houses is of interest for inner-city plots in particular.

Houses with an annex

Do you want a second, self-contained residential unit within your single-family home, so that you can rent it out or have grandparents or adult children in the house?

Multiple-family homes

Are you looking for a secure, long-term, low-risk investment? From a financial and strategic perspective, investment in a multiple-family home is worthwhile.

What our customers say …

Over 44,000 satisfied building owners