Max and Andrea want a particularly future-proof system that will serve them and their children for many years to come. It should therefore be very modern and environmentally friendly. They do not want to be reliant on fossil resources or affected by fuel prices.
Centrally controlled mechanical ventilation systems are now standard technology in new buildings and should also be considered by Max and Andrea when planning their home.
Like around 53% of all developers, Andrea and Max decide to install a heat pump that draws energy from the environment. The supplementary solar collectors support the heat pump so that it can mostly stay switched off during the summer.
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During the planning process, Max and Andrea come across important information that helps them to complete their task:
The systems will remain independent from one another but have a shared thermal storage unit. In this way, the solar thermal technology alone can provide hot water in summer and the heat pump only switches on when needed. It is vital to use intelligent software that can detect phases of good weather and switch off the heat pump.
If the solar equipment is only intended to provide hot water, then two to three solar collectors should be sufficient for a household of four persons. This corresponds to a heating output of 3 to 4 kW. If they wish to install solar heating that will also contribute up to 50% of the heat required, the family must factor in solar collectors with a surface area of 20 m².
South-facing roofs are the most suitable for solar thermal technology but east-facing or west-facing alignments are also worth considering. Vertical installation on the façade is a further alternative.
Inclinations of 20 to 30 degrees are ideal for small solar thermal systems as this allows them to make optimum use of the sun in summer. Larger solar heating systems on steeper roofs with angles up to 60 degrees make better use of the sun in the winter months.
Heat pumps and solar thermal technology work particularly efficiently in conjunction with underfloor heating systems.
A centrally controlled mechanical ventilation system with moisture recovery prevents the formation of mould and supplies the home with fresh, filtered air around the clock.
The combination of a heat pump and solar thermal technology is an environmentally friendly solution that promises predictable and low heating costs over a long period. Max and Andrea known that they will not have to worry about their power supply even many years into the future. As they want their roof to be south-facing in full sun, this hybrid heating system utilising renewable energies is the ideal solution for the family.
It can be complex and time-consuming to find the right solution for your home. We can help you to understand everything that is really relevant to your project in only a few minutes.