In a world increasingly focused on renewable energies, innovative heating systems based on renewable energy sources play a crucial role in reducing our ecological footprint and creating a sustainable future. These heating systems utilize natural resources such as solar energy, wind, and biomass to generate heat and warm our homes.
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What is understood by Innovative Heating Technology?
According to the BEG-EM guidelines, innovative heating technology includes systems based on renewable energies that cover at least 80 percent of the building's heating load and do not fit into other categories of the BEG-EM guidelines. Here are some exciting examples of innovative heating systems based on renewable energy sources:
Solar energy:
Solar systems harness the energy of the sun to heat water or directly generate heat. By installing solar collectors on the roof, homeowners can operate their hot water supply and space heating in an environmentally friendly manner.
2. Biomass heating:
Biomass heating systems utilize organic materials such as wood pellets, wood chips, or organic waste for heat generation. These renewable resources are CO2-neutral and therefore do not contribute to global warming.
3. Heat Pumps with Renewable Electricity:
Heat pumps utilize electrical energy to extract heat from the surrounding air, the ground, or groundwater and feed it into a building's heating system. When the electricity for the heat pump comes from renewable sources such as solar or wind power, heating becomes nearly emissions-free.
4. Geothermal:
Geothermal heating technology harnesses the natural heat from the Earth's interior to heat buildings. By tapping into geothermal energy, homeowners can ensure a constant and reliable heat supply independent of external energy sources.
5. Wind Power-Based Heating Systems:
Innovative approaches integrate wind turbines into heating systems by directly utilizing the generated electricity for heat production or to power heat pumps. These solutions offer an alternative low-carbon option to conventional heating methods.
Federal Funding for Efficient Buildings:
Funding Objective:
Eligible for funding are the construction, conversion, or expansion of a building network, provided that the heat generation after the measure is completed comes from systems according to the technical minimum requirements of the BEG EM TMA (numbers 3.2 to 3.7) and/or unavoidable waste heat. Also eligible for funding is the connection to a building network in the course of the construction, conversion, or expansion of such a network.
Not eligible for funding are:
Self-built systems as well as systems operated in fewer than four units (prototypes).
Used systems and systems where significant system components were purchased used.
Investment Volume and Funding Amount:
The minimum investment volume for funding is 300 euros gross.
The basic funding rate is at least 30% of the eligible expenses.
The maximum limit for eligible expenses for heat generation systems is 30,000 euros for buildings up to 150 square meters of net floor area.
For larger buildings, graduated maximum limits apply:
Up to 400 square meters: 200 euros per square meter of net floor area.
Between 400 and 1,000 square meters: an additional 120 euros per square meter of net floor area.
Over 1,000 square meters: an additional 80 euros per square meter of net floor area.
If the funded measure does not affect the entire building area (e.g., partial heating), the maximum limit is calculated according to the share of the affected net floor area in the total net floor area. The basic funding rate for the construction, expansion, and conversion of building networks is 30%.
Renewable Energy Hybrid Heating: Possible Combinations
Renewable energy hybrid heating systems are found with many different components. Overview: Other combinations are as conceivable as the usual variants. It can also serve wood chips and fuel cell heating through heat pumps. Combination of solar energy. For the renewable energy hybrid heating, the generated heat should be absorbed and effectively stored for the system to function efficiently. Therefore, mixing heat pumps with energy from sunlight is not recommended. It is not easy to predict how much solar energy will be generated by solar thermal systems, but only estimated.
Funding Opportunities for Renewable Energy Hybrid Heating
E-Way Heating is a federal program that combines federal funds for the development of efficiency buildings and energy-efficient buildings. The 2024 law offers homeowners the opportunity to reclaim up to 70% of their monthly payments. Additional funds can be applied for. Requirements are given to self-interested homeowners earning less than 900,000 euros annually. In total, 200,000 euros are offered at an interest rate of 2.9%, with an interest reduction of 2.7 euros. New heating technology funding according to eGib in a summary report of. Currently, there is 70% available.
Innovative Heating Systems based on Renewable Energy: Costs
Combining two heating systems makes the hybrid heating of the house cheaper than simply heating the house. Currently, there is no fixed price offer for the electric heating EV Hybrid. A hybrid heating system is also recommended for high-end residential properties due to high public support and the possibility of low-interest financing for the renovation of energy infrastructure. By reducing energy consumption, homes also reduce energy costs. But in this case, the only heat pump is an excellent substitute. Acquisition costs are lower, and depreciation of gas or electric heating costs can be quickly achieved.
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