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What is the COP in heat pumps? COP stands for coefficient of thermal performance, which is a key parameter in assessing the efficiency of heat pumps. To understand what the COP is and what it means, it is useful to look at its definition and practical applications. Definition of COP The COP (Coefficient of Performance) is the ratio between the amount of heat delivered by a heat pump...

How to choose a photovoltaic contractor? Checklist. Choosing the right photovoltaic contractor is crucial to the effective and trouble-free operation of the system. The right choice will ensure that the installation is properly sized and installed, providing greater benefits and safety for residents. It is therefore worth properly vetting the companies on the market. What should you look for? Which offer should you choose? Take advantage of...

Any builder with plans to build or modernise a house faces an important decision regarding what type of heating to choose for their home. The factors that ultimately influence the choice are mainly the costs resulting from the purchase of the heating device and the charges associated with its operation in the future. In addition, the impact of the heating appliance on the climate is important. In relation to ...

kWp - what does the abbreviation stand for? kWp is an abbreviation for 'kilo Watt peak', which translated into Polish means 'kilo Watt maximum'. It is a unit of power that refers to the maximum production capacity of a photovoltaic (PV) module or the entire PV installation under certain conditions, called Standard Test Conditions (STC). STC conditions,...

Until now, in order to build a photovoltaic installation with a capacity of more than 50 kWp, the developer had to obtain a building permit. The procedure was often lengthy and expensive, which increased the costs from the investment. On 17 August 2023, an amendment to the Renewable Energy Sources Act came into force, which introduces significant changes. From now on, installations with a capacity of up to 150...