Heat demand – How do we calculate the energy demand of buildings?
Heat demand is a fundamental indicator of the heating energy demand of buildings, which helps in the accurate sizing of systems and improving energy efficiency.
Knowledge base
The Knowledge Base is a comprehensive source of information for anyone who wants to understand renewable energy technologies. Our articles summarize the most important information about the operation of heat pumps, solar panels, inverters and other energy-saving systems in a short and understandable way.
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Heat demand – How do we calculate the energy demand of buildings?
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Temperature gradient – Why is it important in heating systems?
Temperature gradient – Why is it important in heating systems?
The temperature gradient is a key indicator of heating and cooling systems, representing the difference between the supply and return temperatures. It helps to optimize the energy efficiency and operation...
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Heat Transfer – The Basic Process of Energy Transfer
Heat Transfer – The Basic Process of Energy Transfer
Heat transfer is the fundamental process of energy transfer, occurring through conduction, convection, and radiation. These mechanisms play a crucial role in everything from the energy efficiency of buildings to...
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Circuit – How does the path of electrical energy work?
Circuit – How does the path of electrical energy work?
A circuit is a fundamental element in the transmission of electrical energy that enables the operation of consumers. A closed system includes the power source, conductors, and consumers, which work...
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Volt (V) – What does the unit of measurement for voltage mean?
Volt (V) – What does the unit of measurement for voltage mean?
The volt (V) is a unit of measurement for electrical voltage, a fundamental element in electrical circuits. Voltage is the key to energy transfer, determining the operation and efficiency of...
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Electricity – The foundation of modern energy use
Electricity – The foundation of modern energy use
Electricity is the driving force of modern society, present in all aspects of life. Renewable sources and smart grids are the key to a sustainable future.
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Surge voltage – A safety challenge for electrical systems
Surge voltage – A safety challenge for electrical systems
Surge is one of the biggest challenges in electrical systems, which can damage sensitive equipment. Proper protection, such as surge arresters and grounding systems, is key to safety and increasing...
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Power – How do we measure the work done by energy?
Power – How do we measure the work done by energy?
Performance is how quickly a system performs work or delivers energy. It is an essential concept for understanding energy efficiency and cost optimization.
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SPF – Annual performance of heat pumps and air conditioners
SPF – Annual performance of heat pumps and air conditioners
SPF (Seasonal Performance Factor) measures the annual energy efficiency of heat pumps, taking into account weather changes and energy consumption. Systems with a high SPF value are more efficient, economical...
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SEER – What does the Seasonal Energy Efficiency Ratio show?
SEER – What does the Seasonal Energy Efficiency Ratio show?
SEER (Seasonal Energy Efficiency Ratio) measures the energy efficiency of air conditioners and heat pumps. A higher SEER value results in less energy consumption and lower costs, while ensuring environmentally...
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STC (Standard Test Conditions) – Basics of testing solar panels
STC (Standard Test Conditions) – Basics of testing solar panels
STC (Standard Test Conditions) provides a uniform benchmark for measuring the performance of solar panels. Learn what these conditions mean, how they help you compare manufacturers' products, and why you...
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Relative Humidity (%RH) – How does it affect indoor climate?
Relative Humidity (%RH) – How does it affect indoor climate?
Relative humidity determines the comfort and health level of indoor climate. Discover how to effectively control humidity in your home!
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R410A – Refrigerant for air conditioners and heat pumps
R410A – Refrigerant for air conditioners and heat pumps
R410A is a popular refrigerant in air conditioners and heat pumps, offering high cooling capacity and energy efficiency. Although its high GWP has led to the emergence of more environmentally...
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R32 – The new generation of sustainable refrigerants
R32 – The new generation of sustainable refrigerants
R32 refrigerant offers outstanding efficiency and lower environmental impact. It is an ideal solution for sustainable air conditioning and heat pumps.
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R290 – Environmentally friendly refrigerant for heat pumps
R290 – Environmentally friendly refrigerant for heat pumps
R290, also known as propane, is a natural and environmentally friendly refrigerant. Its low GWP value and high efficiency make it ideal for sustainable cooling systems.
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Pascal (Pa) – Unit of pressure
Pascal (Pa) – Unit of pressure
The Pascal (Pa) is a unit of pressure that measures the distribution of pressure and force. Learn about its applications in the physical sciences, meteorology, and industrial systems!
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ODP – Ozone Depletion Potential
ODP – Ozone Depletion Potential
ODP (Ozone Depletion Potential) is a parameter measuring the protection of the ozone layer, which helps identify substances harmful to the environment and supports sustainable development.
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NOCT – What does Normal Operating Cell Temperature mean?
NOCT – What does Normal Operating Cell Temperature mean?
NOCT (Normal Operating Cell Temperature) helps determine the operating temperature of solar cells under real-world conditions, thus helping in the optimal design of the system and estimating the expected performance.
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Sunlight Spectrum – The Range of Electromagnetic Radiation
Sunlight Spectrum – The Range of Electromagnetic Radiation
The sunlight spectrum encompasses a wide range of electromagnetic radiation that is the basis of life and energy systems. Discover the different effects of sunlight!
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Kilowatt hour (kWh) – A measurement of energy consumption and production
Kilowatt hour (kWh) – A measurement of energy consumption and production
The kilowatt-hour (kWh) is the basic unit for measuring energy use and production, helping to improve energy efficiency and reduce costs.
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Kilowatt-peak (kWp) – Nominal power of solar systems
Kilowatt-peak (kWp) – Nominal power of solar systems
Kilowatt-peak (kWp) shows the maximum power of solar systems under ideal conditions, helping with planning, system sizing, and calculating potential energy production.